drm/i915: split out display debugfs to a separate file

The i915_debugfs.c has grown more than a little unwieldy. Split out the
display related debugfs code to a file of its own under display/,
initialized with a separate call. No functional changes.

v2:
- Also moved i915_frontbuffer_tracking, i915_gem_framebuffer,
  i915_power_domain_info, i915_dmc_info, i915_ipc_status (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200211161451.6867-2-jani.nikula@intel.com

drivers/gpu/drm/i915/Makefile

@@ -68,6 +68,7 @@ i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 i915-$(CONFIG_DEBUG_FS) += \
 	i915_debugfs.o \
 	i915_debugfs_params.o \
+	display/intel_display_debugfs.o \
 	display/intel_pipe_crc.o
 i915-$(CONFIG_PERF_EVENTS) += i915_pmu.o
 

drivers/gpu/drm/i915/display/intel_display_debugfs.c

+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_debugfs.h>
+#include <drm/drm_fourcc.h>
+
+#include "i915_debugfs.h"
+#include "intel_csr.h"
+#include "intel_display_debugfs.h"
+#include "intel_display_types.h"
+#include "intel_dp.h"
+#include "intel_fbc.h"
+#include "intel_hdcp.h"
+#include "intel_hdmi.h"
+#include "intel_pm.h"
+#include "intel_psr.h"
+#include "intel_sideband.h"
+
+static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
+{
+	return to_i915(node->minor->dev);
+}
+
+static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+
+	seq_printf(m, "FB tracking busy bits: 0x%08x\n",
+		   dev_priv->fb_tracking.busy_bits);
+
+	seq_printf(m, "FB tracking flip bits: 0x%08x\n",
+		   dev_priv->fb_tracking.flip_bits);
+
+	return 0;
+}
+
+static int i915_fbc_status(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct intel_fbc *fbc = &dev_priv->fbc;
+	intel_wakeref_t wakeref;
+
+	if (!HAS_FBC(dev_priv))
+		return -ENODEV;
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+	mutex_lock(&fbc->lock);
+
+	if (intel_fbc_is_active(dev_priv))
+		seq_puts(m, "FBC enabled\n");
+	else
+		seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
+
+	if (intel_fbc_is_active(dev_priv)) {
+		u32 mask;
+
+		if (INTEL_GEN(dev_priv) >= 8)
+			mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
+		else if (INTEL_GEN(dev_priv) >= 7)
+			mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
+		else if (INTEL_GEN(dev_priv) >= 5)
+			mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
+		else if (IS_G4X(dev_priv))
+			mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
+		else
+			mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
+							FBC_STAT_COMPRESSED);
+
+		seq_printf(m, "Compressing: %s\n", yesno(mask));
+	}
+
+	mutex_unlock(&fbc->lock);
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return 0;
+}
+
+static int i915_fbc_false_color_get(void *data, u64 *val)
+{
+	struct drm_i915_private *dev_priv = data;
+
+	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
+		return -ENODEV;
+
+	*val = dev_priv->fbc.false_color;
+
+	return 0;
+}
+
+static int i915_fbc_false_color_set(void *data, u64 val)
+{
+	struct drm_i915_private *dev_priv = data;
+	u32 reg;
+
+	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
+		return -ENODEV;
+
+	mutex_lock(&dev_priv->fbc.lock);
+
+	reg = I915_READ(ILK_DPFC_CONTROL);
+	dev_priv->fbc.false_color = val;
+
+	I915_WRITE(ILK_DPFC_CONTROL, val ?
+		   (reg | FBC_CTL_FALSE_COLOR) :
+		   (reg & ~FBC_CTL_FALSE_COLOR));
+
+	mutex_unlock(&dev_priv->fbc.lock);
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
+			i915_fbc_false_color_get, i915_fbc_false_color_set,
+			"%llu\n");
+
+static int i915_ips_status(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	intel_wakeref_t wakeref;
+
+	if (!HAS_IPS(dev_priv))
+		return -ENODEV;
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+	seq_printf(m, "Enabled by kernel parameter: %s\n",
+		   yesno(i915_modparams.enable_ips));
+
+	if (INTEL_GEN(dev_priv) >= 8) {
+		seq_puts(m, "Currently: unknown\n");
+	} else {
+		if (I915_READ(IPS_CTL) & IPS_ENABLE)
+			seq_puts(m, "Currently: enabled\n");
+		else
+			seq_puts(m, "Currently: disabled\n");
+	}
+
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return 0;
+}
+
+static int i915_sr_status(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	intel_wakeref_t wakeref;
+	bool sr_enabled = false;
+
+	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		/* no global SR status; inspect per-plane WM */;
+	else if (HAS_PCH_SPLIT(dev_priv))
+		sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
+	else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) ||
+		 IS_I945G(dev_priv) || IS_I945GM(dev_priv))
+		sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
+	else if (IS_I915GM(dev_priv))
+		sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
+	else if (IS_PINEVIEW(dev_priv))
+		sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
+	else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+		sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
+
+	intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
+
+	seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled));
+
+	return 0;
+}
+
+static int i915_opregion(struct seq_file *m, void *unused)
+{
+	struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
+
+	if (opregion->header)
+		seq_write(m, opregion->header, OPREGION_SIZE);
+
+	return 0;
+}
+
+static int i915_vbt(struct seq_file *m, void *unused)
+{
+	struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
+
+	if (opregion->vbt)
+		seq_write(m, opregion->vbt, opregion->vbt_size);
+
+	return 0;
+}
+
+static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	struct intel_framebuffer *fbdev_fb = NULL;
+	struct drm_framebuffer *drm_fb;
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+	if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
+		fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
+
+		seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
+			   fbdev_fb->base.width,
+			   fbdev_fb->base.height,
+			   fbdev_fb->base.format->depth,
+			   fbdev_fb->base.format->cpp[0] * 8,
+			   fbdev_fb->base.modifier,
+			   drm_framebuffer_read_refcount(&fbdev_fb->base));
+		i915_debugfs_describe_obj(m, intel_fb_obj(&fbdev_fb->base));
+		seq_putc(m, '\n');
+	}
+#endif
+
+	mutex_lock(&dev->mode_config.fb_lock);
+	drm_for_each_fb(drm_fb, dev) {
+		struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
+		if (fb == fbdev_fb)
+			continue;
+
+		seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
+			   fb->base.width,
+			   fb->base.height,
+			   fb->base.format->depth,
+			   fb->base.format->cpp[0] * 8,
+			   fb->base.modifier,
+			   drm_framebuffer_read_refcount(&fb->base));
+		i915_debugfs_describe_obj(m, intel_fb_obj(&fb->base));
+		seq_putc(m, '\n');
+	}
+	mutex_unlock(&dev->mode_config.fb_lock);
+
+	return 0;
+}
+
+static int i915_psr_sink_status_show(struct seq_file *m, void *data)
+{
+	u8 val;
+	static const char * const sink_status[] = {
+		"inactive",
+		"transition to active, capture and display",
+		"active, display from RFB",
+		"active, capture and display on sink device timings",
+		"transition to inactive, capture and display, timing re-sync",
+		"reserved",
+		"reserved",
+		"sink internal error",
+	};
+	struct drm_connector *connector = m->private;
+	struct drm_i915_private *dev_priv = to_i915(connector->dev);
+	struct intel_dp *intel_dp =
+		intel_attached_dp(to_intel_connector(connector));
+	int ret;
+
+	if (!CAN_PSR(dev_priv)) {
+		seq_puts(m, "PSR Unsupported\n");
+		return -ENODEV;
+	}
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
+
+	if (ret == 1) {
+		const char *str = "unknown";
+
+		val &= DP_PSR_SINK_STATE_MASK;
+		if (val < ARRAY_SIZE(sink_status))
+			str = sink_status[val];
+		seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
+	} else {
+		return ret;
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
+
+static void
+psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
+{
+	u32 val, status_val;
+	const char *status = "unknown";
+
+	if (dev_priv->psr.psr2_enabled) {
+		static const char * const live_status[] = {
+			"IDLE",
+			"CAPTURE",
+			"CAPTURE_FS",
+			"SLEEP",
+			"BUFON_FW",
+			"ML_UP",
+			"SU_STANDBY",
+			"FAST_SLEEP",
+			"DEEP_SLEEP",
+			"BUF_ON",
+			"TG_ON"
+		};
+		val = I915_READ(EDP_PSR2_STATUS(dev_priv->psr.transcoder));
+		status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
+			      EDP_PSR2_STATUS_STATE_SHIFT;
+		if (status_val < ARRAY_SIZE(live_status))
+			status = live_status[status_val];
+	} else {
+		static const char * const live_status[] = {
+			"IDLE",
+			"SRDONACK",
+			"SRDENT",
+			"BUFOFF",
+			"BUFON",
+			"AUXACK",
+			"SRDOFFACK",
+			"SRDENT_ON",
+		};
+		val = I915_READ(EDP_PSR_STATUS(dev_priv->psr.transcoder));
+		status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
+			      EDP_PSR_STATUS_STATE_SHIFT;
+		if (status_val < ARRAY_SIZE(live_status))
+			status = live_status[status_val];
+	}
+
+	seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
+}
+
+static int i915_edp_psr_status(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct i915_psr *psr = &dev_priv->psr;
+	intel_wakeref_t wakeref;
+	const char *status;
+	bool enabled;
+	u32 val;
+
+	if (!HAS_PSR(dev_priv))
+		return -ENODEV;
+
+	seq_printf(m, "Sink support: %s", yesno(psr->sink_support));
+	if (psr->dp)
+		seq_printf(m, " [0x%02x]", psr->dp->psr_dpcd[0]);
+	seq_puts(m, "\n");
+
+	if (!psr->sink_support)
+		return 0;
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+	mutex_lock(&psr->lock);
+
+	if (psr->enabled)
+		status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled";
+	else
+		status = "disabled";
+	seq_printf(m, "PSR mode: %s\n", status);
+
+	if (!psr->enabled) {
+		seq_printf(m, "PSR sink not reliable: %s\n",
+			   yesno(psr->sink_not_reliable));
+
+		goto unlock;
+	}
+
+	if (psr->psr2_enabled) {
+		val = I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder));
+		enabled = val & EDP_PSR2_ENABLE;
+	} else {
+		val = I915_READ(EDP_PSR_CTL(dev_priv->psr.transcoder));
+		enabled = val & EDP_PSR_ENABLE;
+	}
+	seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
+		   enableddisabled(enabled), val);
+	psr_source_status(dev_priv, m);
+	seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
+		   psr->busy_frontbuffer_bits);
+
+	/*
+	 * SKL+ Perf counter is reset to 0 everytime DC state is entered
+	 */
+	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
+		val = I915_READ(EDP_PSR_PERF_CNT(dev_priv->psr.transcoder));
+		val &= EDP_PSR_PERF_CNT_MASK;
+		seq_printf(m, "Performance counter: %u\n", val);
+	}
+
+	if (psr->debug & I915_PSR_DEBUG_IRQ) {
+		seq_printf(m, "Last attempted entry at: %lld\n",
+			   psr->last_entry_attempt);
+		seq_printf(m, "Last exit at: %lld\n", psr->last_exit);
+	}
+
+	if (psr->psr2_enabled) {
+		u32 su_frames_val[3];
+		int frame;
+
+		/*
+		 * Reading all 3 registers before hand to minimize crossing a
+		 * frame boundary between register reads
+		 */
+		for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
+			val = I915_READ(PSR2_SU_STATUS(dev_priv->psr.transcoder,
+						       frame));
+			su_frames_val[frame / 3] = val;
+		}
+
+		seq_puts(m, "Frame:\tPSR2 SU blocks:\n");
+
+		for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame++) {
+			u32 su_blocks;
+
+			su_blocks = su_frames_val[frame / 3] &
+				    PSR2_SU_STATUS_MASK(frame);
+			su_blocks = su_blocks >> PSR2_SU_STATUS_SHIFT(frame);
+			seq_printf(m, "%d\t%d\n", frame, su_blocks);
+		}
+	}
+
+unlock:
+	mutex_unlock(&psr->lock);
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return 0;
+}
+
+static int
+i915_edp_psr_debug_set(void *data, u64 val)
+{
+	struct drm_i915_private *dev_priv = data;
+	intel_wakeref_t wakeref;
+	int ret;
+
+	if (!CAN_PSR(dev_priv))
+		return -ENODEV;
+
+	drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+	ret = intel_psr_debug_set(dev_priv, val);
+
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return ret;
+}
+
+static int
+i915_edp_psr_debug_get(void *data, u64 *val)
+{
+	struct drm_i915_private *dev_priv = data;
+
+	if (!CAN_PSR(dev_priv))
+		return -ENODEV;
+
+	*val = READ_ONCE(dev_priv->psr.debug);
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
+			i915_edp_psr_debug_get, i915_edp_psr_debug_set,
+			"%llu\n");
+
+static int i915_power_domain_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct i915_power_domains *power_domains = &dev_priv->power_domains;
+	int i;
+
+	mutex_lock(&power_domains->lock);
+
+	seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
+	for (i = 0; i < power_domains->power_well_count; i++) {
+		struct i915_power_well *power_well;
+		enum intel_display_power_domain power_domain;
+
+		power_well = &power_domains->power_wells[i];
+		seq_printf(m, "%-25s %d\n", power_well->desc->name,
+			   power_well->count);
+
+		for_each_power_domain(power_domain, power_well->desc->domains)
+			seq_printf(m, "  %-23s %d\n",
+				 intel_display_power_domain_str(power_domain),
+				 power_domains->domain_use_count[power_domain]);
+	}
+
+	mutex_unlock(&power_domains->lock);
+
+	return 0;
+}
+
+static int i915_dmc_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	intel_wakeref_t wakeref;
+	struct intel_csr *csr;
+	i915_reg_t dc5_reg, dc6_reg = {};
+
+	if (!HAS_CSR(dev_priv))
+		return -ENODEV;
+
+	csr = &dev_priv->csr;
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+	seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
+	seq_printf(m, "path: %s\n", csr->fw_path);
+
+	if (!csr->dmc_payload)
+		goto out;
+
+	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
+		   CSR_VERSION_MINOR(csr->version));
+
+	if (INTEL_GEN(dev_priv) >= 12) {
+		dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
+		dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
+		/*
+		 * NOTE: DMC_DEBUG3 is a general purpose reg.
+		 * According to B.Specs:49196 DMC f/w reuses DC5/6 counter
+		 * reg for DC3CO debugging and validation,
+		 * but TGL DMC f/w is using DMC_DEBUG3 reg for DC3CO counter.
+		 */
+		seq_printf(m, "DC3CO count: %d\n", I915_READ(DMC_DEBUG3));
+	} else {
+		dc5_reg = IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
+						 SKL_CSR_DC3_DC5_COUNT;
+		if (!IS_GEN9_LP(dev_priv))
+			dc6_reg = SKL_CSR_DC5_DC6_COUNT;
+	}
+
+	seq_printf(m, "DC3 -> DC5 count: %d\n", I915_READ(dc5_reg));
+	if (dc6_reg.reg)
+		seq_printf(m, "DC5 -> DC6 count: %d\n", I915_READ(dc6_reg));
+
+out:
+	seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
+	seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
+	seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
+
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return 0;
+}
+
+static void intel_seq_print_mode(struct seq_file *m, int tabs,
+				 const struct drm_display_mode *mode)
+{
+	int i;
+
+	for (i = 0; i < tabs; i++)
+		seq_putc(m, '\t');
+
+	seq_printf(m, DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+}
+
+static void intel_encoder_info(struct seq_file *m,
+			       struct intel_crtc *crtc,
+			       struct intel_encoder *encoder)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_connector_list_iter conn_iter;
+	struct drm_connector *connector;
+
+	seq_printf(m, "\t[ENCODER:%d:%s]: connectors:\n",
+		   encoder->base.base.id, encoder->base.name);
+
+	drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		const struct drm_connector_state *conn_state =
+			connector->state;
+
+		if (conn_state->best_encoder != &encoder->base)
+			continue;
+
+		seq_printf(m, "\t\t[CONNECTOR:%d:%s]\n",
+			   connector->base.id, connector->name);
+	}
+	drm_connector_list_iter_end(&conn_iter);
+}
+
+static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
+{
+	const struct drm_display_mode *mode = panel->fixed_mode;
+
+	seq_printf(m, "\tfixed mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+}
+
+static void intel_hdcp_info(struct seq_file *m,
+			    struct intel_connector *intel_connector)
+{
+	bool hdcp_cap, hdcp2_cap;
+
+	hdcp_cap = intel_hdcp_capable(intel_connector);
+	hdcp2_cap = intel_hdcp2_capable(intel_connector);
+
+	if (hdcp_cap)
+		seq_puts(m, "HDCP1.4 ");
+	if (hdcp2_cap)
+		seq_puts(m, "HDCP2.2 ");
+
+	if (!hdcp_cap && !hdcp2_cap)
+		seq_puts(m, "None");
+
+	seq_puts(m, "\n");
+}
+
+static void intel_dp_info(struct seq_file *m,
+			  struct intel_connector *intel_connector)
+{
+	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+	struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
+
+	seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
+	seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
+	if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
+		intel_panel_info(m, &intel_connector->panel);
+
+	drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
+				&intel_dp->aux);
+	if (intel_connector->hdcp.shim) {
+		seq_puts(m, "\tHDCP version: ");
+		intel_hdcp_info(m, intel_connector);
+	}
+}
+
+static void intel_dp_mst_info(struct seq_file *m,
+			  struct intel_connector *intel_connector)
+{
+	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+	struct intel_dp_mst_encoder *intel_mst =
+		enc_to_mst(intel_encoder);
+	struct intel_digital_port *intel_dig_port = intel_mst->primary;
+	struct intel_dp *intel_dp = &intel_dig_port->dp;
+	bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
+					intel_connector->port);
+
+	seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
+}
+
+static void intel_hdmi_info(struct seq_file *m,
+			    struct intel_connector *intel_connector)
+{
+	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(intel_encoder);
+
+	seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
+	if (intel_connector->hdcp.shim) {
+		seq_puts(m, "\tHDCP version: ");
+		intel_hdcp_info(m, intel_connector);
+	}
+}
+
+static void intel_lvds_info(struct seq_file *m,
+			    struct intel_connector *intel_connector)
+{
+	intel_panel_info(m, &intel_connector->panel);
+}
+
+static void intel_connector_info(struct seq_file *m,
+				 struct drm_connector *connector)
+{
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	const struct drm_connector_state *conn_state = connector->state;
+	struct intel_encoder *encoder =
+		to_intel_encoder(conn_state->best_encoder);
+	const struct drm_display_mode *mode;
+
+	seq_printf(m, "[CONNECTOR:%d:%s]: status: %s\n",
+		   connector->base.id, connector->name,
+		   drm_get_connector_status_name(connector->status));
+
+	if (connector->status == connector_status_disconnected)
+		return;
+
+	seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
+		   connector->display_info.width_mm,
+		   connector->display_info.height_mm);
+	seq_printf(m, "\tsubpixel order: %s\n",
+		   drm_get_subpixel_order_name(connector->display_info.subpixel_order));
+	seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev);
+
+	if (!encoder)
+		return;
+
+	switch (connector->connector_type) {
+	case DRM_MODE_CONNECTOR_DisplayPort:
+	case DRM_MODE_CONNECTOR_eDP:
+		if (encoder->type == INTEL_OUTPUT_DP_MST)
+			intel_dp_mst_info(m, intel_connector);
+		else
+			intel_dp_info(m, intel_connector);
+		break;
+	case DRM_MODE_CONNECTOR_LVDS:
+		if (encoder->type == INTEL_OUTPUT_LVDS)
+			intel_lvds_info(m, intel_connector);
+		break;
+	case DRM_MODE_CONNECTOR_HDMIA:
+		if (encoder->type == INTEL_OUTPUT_HDMI ||
+		    encoder->type == INTEL_OUTPUT_DDI)
+			intel_hdmi_info(m, intel_connector);
+		break;
+	default:
+		break;
+	}
+
+	seq_printf(m, "\tmodes:\n");
+	list_for_each_entry(mode, &connector->modes, head)
+		intel_seq_print_mode(m, 2, mode);
+}
+
+static const char *plane_type(enum drm_plane_type type)
+{
+	switch (type) {
+	case DRM_PLANE_TYPE_OVERLAY:
+		return "OVL";
+	case DRM_PLANE_TYPE_PRIMARY:
+		return "PRI";
+	case DRM_PLANE_TYPE_CURSOR:
+		return "CUR";
+	/*
+	 * Deliberately omitting default: to generate compiler warnings
+	 * when a new drm_plane_type gets added.
+	 */
+	}
+
+	return "unknown";
+}
+
+static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
+{
+	/*
+	 * According to doc only one DRM_MODE_ROTATE_ is allowed but this
+	 * will print them all to visualize if the values are misused
+	 */
+	snprintf(buf, bufsize,
+		 "%s%s%s%s%s%s(0x%08x)",
+		 (rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
+		 (rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
+		 (rotation & DRM_MODE_ROTATE_180) ? "180 " : "",
+		 (rotation & DRM_MODE_ROTATE_270) ? "270 " : "",
+		 (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
+		 (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
+		 rotation);
+}
+
+static void intel_plane_uapi_info(struct seq_file *m, struct intel_plane *plane)
+{
+	const struct intel_plane_state *plane_state =
+		to_intel_plane_state(plane->base.state);
+	const struct drm_framebuffer *fb = plane_state->uapi.fb;
+	struct drm_format_name_buf format_name;
+	struct drm_rect src, dst;
+	char rot_str[48];
+
+	src = drm_plane_state_src(&plane_state->uapi);
+	dst = drm_plane_state_dest(&plane_state->uapi);
+
+	if (fb)
+		drm_get_format_name(fb->format->format, &format_name);
+
+	plane_rotation(rot_str, sizeof(rot_str),
+		       plane_state->uapi.rotation);
+
+	seq_printf(m, "\t\tuapi: fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
+		   fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
+		   fb ? fb->width : 0, fb ? fb->height : 0,
+		   DRM_RECT_FP_ARG(&src),
+		   DRM_RECT_ARG(&dst),
+		   rot_str);
+}
+
+static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
+{
+	const struct intel_plane_state *plane_state =
+		to_intel_plane_state(plane->base.state);
+	const struct drm_framebuffer *fb = plane_state->hw.fb;
+	struct drm_format_name_buf format_name;
+	char rot_str[48];
+
+	if (!fb)
+		return;
+
+	drm_get_format_name(fb->format->format, &format_name);
+
+	plane_rotation(rot_str, sizeof(rot_str),
+		       plane_state->hw.rotation);
+
+	seq_printf(m, "\t\thw: fb=%d,%s,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
+		   fb->base.id, format_name.str,
+		   fb->width, fb->height,
+		   yesno(plane_state->uapi.visible),
+		   DRM_RECT_FP_ARG(&plane_state->uapi.src),
+		   DRM_RECT_ARG(&plane_state->uapi.dst),
+		   rot_str);
+}
+
+static void intel_plane_info(struct seq_file *m, struct intel_crtc *crtc)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct intel_plane *plane;
+
+	for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
+		seq_printf(m, "\t[PLANE:%d:%s]: type=%s\n",
+			   plane->base.base.id, plane->base.name,
+			   plane_type(plane->base.type));
+		intel_plane_uapi_info(m, plane);
+		intel_plane_hw_info(m, plane);
+	}
+}
+
+static void intel_scaler_info(struct seq_file *m, struct intel_crtc *crtc)
+{
+	const struct intel_crtc_state *crtc_state =
+		to_intel_crtc_state(crtc->base.state);
+	int num_scalers = crtc->num_scalers;
+	int i;
+
+	/* Not all platformas have a scaler */
+	if (num_scalers) {
+		seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
+			   num_scalers,
+			   crtc_state->scaler_state.scaler_users,
+			   crtc_state->scaler_state.scaler_id);
+
+		for (i = 0; i < num_scalers; i++) {
+			const struct intel_scaler *sc =
+				&crtc_state->scaler_state.scalers[i];
+
+			seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
+				   i, yesno(sc->in_use), sc->mode);
+		}
+		seq_puts(m, "\n");
+	} else {
+		seq_puts(m, "\tNo scalers available on this platform\n");
+	}
+}
+
+static void intel_crtc_info(struct seq_file *m, struct intel_crtc *crtc)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	const struct intel_crtc_state *crtc_state =
+		to_intel_crtc_state(crtc->base.state);
+	struct intel_encoder *encoder;
+
+	seq_printf(m, "[CRTC:%d:%s]:\n",
+		   crtc->base.base.id, crtc->base.name);
+
+	seq_printf(m, "\tuapi: enable=%s, active=%s, mode=" DRM_MODE_FMT "\n",
+		   yesno(crtc_state->uapi.enable),
+		   yesno(crtc_state->uapi.active),
+		   DRM_MODE_ARG(&crtc_state->uapi.mode));
+
+	if (crtc_state->hw.enable) {
+		seq_printf(m, "\thw: active=%s, adjusted_mode=" DRM_MODE_FMT "\n",
+			   yesno(crtc_state->hw.active),
+			   DRM_MODE_ARG(&crtc_state->hw.adjusted_mode));
+
+		seq_printf(m, "\tpipe src size=%dx%d, dither=%s, bpp=%d\n",
+			   crtc_state->pipe_src_w, crtc_state->pipe_src_h,
+			   yesno(crtc_state->dither), crtc_state->pipe_bpp);
+
+		intel_scaler_info(m, crtc);
+	}
+
+	for_each_intel_encoder_mask(&dev_priv->drm, encoder,
+				    crtc_state->uapi.encoder_mask)
+		intel_encoder_info(m, crtc, encoder);
+
+	intel_plane_info(m, crtc);
+
+	seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s\n",
+		   yesno(!crtc->cpu_fifo_underrun_disabled),
+		   yesno(!crtc->pch_fifo_underrun_disabled));
+}
+
+static int i915_display_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	struct intel_crtc *crtc;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	intel_wakeref_t wakeref;
+
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+
+	drm_modeset_lock_all(dev);
+
+	seq_printf(m, "CRTC info\n");
+	seq_printf(m, "---------\n");
+	for_each_intel_crtc(dev, crtc)
+		intel_crtc_info(m, crtc);
+
+	seq_printf(m, "\n");
+	seq_printf(m, "Connector info\n");
+	seq_printf(m, "--------------\n");
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter)
+		intel_connector_info(m, connector);
+	drm_connector_list_iter_end(&conn_iter);
+
+	drm_modeset_unlock_all(dev);
+
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+
+	return 0;
+}
+
+static int i915_shared_dplls_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	int i;
+
+	drm_modeset_lock_all(dev);
+	for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+		struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+
+		seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
+			   pll->info->id);
+		seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
+			   pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
+		seq_printf(m, " tracked hardware state:\n");
+		seq_printf(m, " dpll:    0x%08x\n", pll->state.hw_state.dpll);
+		seq_printf(m, " dpll_md: 0x%08x\n",
+			   pll->state.hw_state.dpll_md);
+		seq_printf(m, " fp0:     0x%08x\n", pll->state.hw_state.fp0);
+		seq_printf(m, " fp1:     0x%08x\n", pll->state.hw_state.fp1);
+		seq_printf(m, " wrpll:   0x%08x\n", pll->state.hw_state.wrpll);
+		seq_printf(m, " cfgcr0:  0x%08x\n", pll->state.hw_state.cfgcr0);
+		seq_printf(m, " cfgcr1:  0x%08x\n", pll->state.hw_state.cfgcr1);
+		seq_printf(m, " mg_refclkin_ctl:        0x%08x\n",
+			   pll->state.hw_state.mg_refclkin_ctl);
+		seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
+			   pll->state.hw_state.mg_clktop2_coreclkctl1);
+		seq_printf(m, " mg_clktop2_hsclkctl:    0x%08x\n",
+			   pll->state.hw_state.mg_clktop2_hsclkctl);
+		seq_printf(m, " mg_pll_div0:  0x%08x\n",
+			   pll->state.hw_state.mg_pll_div0);
+		seq_printf(m, " mg_pll_div1:  0x%08x\n",
+			   pll->state.hw_state.mg_pll_div1);
+		seq_printf(m, " mg_pll_lf:    0x%08x\n",
+			   pll->state.hw_state.mg_pll_lf);
+		seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
+			   pll->state.hw_state.mg_pll_frac_lock);
+		seq_printf(m, " mg_pll_ssc:   0x%08x\n",
+			   pll->state.hw_state.mg_pll_ssc);
+		seq_printf(m, " mg_pll_bias:  0x%08x\n",
+			   pll->state.hw_state.mg_pll_bias);
+		seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
+			   pll->state.hw_state.mg_pll_tdc_coldst_bias);
+	}
+	drm_modeset_unlock_all(dev);
+
+	return 0;
+}
+
+static int i915_ipc_status_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+
+	seq_printf(m, "Isochronous Priority Control: %s\n",
+			yesno(dev_priv->ipc_enabled));
+	return 0;
+}
+
+static int i915_ipc_status_open(struct inode *inode, struct file *file)
+{
+	struct drm_i915_private *dev_priv = inode->i_private;
+
+	if (!HAS_IPC(dev_priv))
+		return -ENODEV;
+
+	return single_open(file, i915_ipc_status_show, dev_priv);
+}
+
+static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
+				     size_t len, loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	intel_wakeref_t wakeref;
+	bool enable;
+	int ret;
+
+	ret = kstrtobool_from_user(ubuf, len, &enable);
+	if (ret < 0)
+		return ret;
+
+	with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
+		if (!dev_priv->ipc_enabled && enable)
+			drm_info(&dev_priv->drm,
+				 "Enabling IPC: WM will be proper only after next commit\n");
+		dev_priv->wm.distrust_bios_wm = true;
+		dev_priv->ipc_enabled = enable;
+		intel_enable_ipc(dev_priv);
+	}
+
+	return len;
+}
+
+static const struct file_operations i915_ipc_status_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_ipc_status_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_ipc_status_write
+};
+
+static int i915_ddb_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	struct skl_ddb_entry *entry;
+	struct intel_crtc *crtc;
+
+	if (INTEL_GEN(dev_priv) < 9)
+		return -ENODEV;
+
+	drm_modeset_lock_all(dev);
+
+	seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
+
+	for_each_intel_crtc(&dev_priv->drm, crtc) {
+		struct intel_crtc_state *crtc_state =
+			to_intel_crtc_state(crtc->base.state);
+		enum pipe pipe = crtc->pipe;
+		enum plane_id plane_id;
+
+		seq_printf(m, "Pipe %c\n", pipe_name(pipe));
+
+		for_each_plane_id_on_crtc(crtc, plane_id) {
+			entry = &crtc_state->wm.skl.plane_ddb_y[plane_id];
+			seq_printf(m, "  Plane%-8d%8u%8u%8u\n", plane_id + 1,
+				   entry->start, entry->end,
+				   skl_ddb_entry_size(entry));
+		}
+
+		entry = &crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR];
+		seq_printf(m, "  %-13s%8u%8u%8u\n", "Cursor", entry->start,
+			   entry->end, skl_ddb_entry_size(entry));
+	}
+
+	drm_modeset_unlock_all(dev);
+
+	return 0;
+}
+
+static void drrs_status_per_crtc(struct seq_file *m,
+				 struct drm_device *dev,
+				 struct intel_crtc *intel_crtc)
+{
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct i915_drrs *drrs = &dev_priv->drrs;
+	int vrefresh = 0;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		if (connector->state->crtc != &intel_crtc->base)
+			continue;
+
+		seq_printf(m, "%s:\n", connector->name);
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	seq_puts(m, "\n");
+
+	if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
+		struct intel_panel *panel;
+
+		mutex_lock(&drrs->mutex);
+		/* DRRS Supported */
+		seq_puts(m, "\tDRRS Supported: Yes\n");
+
+		/* disable_drrs() will make drrs->dp NULL */
+		if (!drrs->dp) {
+			seq_puts(m, "Idleness DRRS: Disabled\n");
+			if (dev_priv->psr.enabled)
+				seq_puts(m,
+				"\tAs PSR is enabled, DRRS is not enabled\n");
+			mutex_unlock(&drrs->mutex);
+			return;
+		}
+
+		panel = &drrs->dp->attached_connector->panel;
+		seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
+					drrs->busy_frontbuffer_bits);
+
+		seq_puts(m, "\n\t\t");
+		if (drrs->refresh_rate_type == DRRS_HIGH_RR) {
+			seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n");
+			vrefresh = panel->fixed_mode->vrefresh;
+		} else if (drrs->refresh_rate_type == DRRS_LOW_RR) {
+			seq_puts(m, "DRRS_State: DRRS_LOW_RR\n");
+			vrefresh = panel->downclock_mode->vrefresh;
+		} else {
+			seq_printf(m, "DRRS_State: Unknown(%d)\n",
+						drrs->refresh_rate_type);
+			mutex_unlock(&drrs->mutex);
+			return;
+		}
+		seq_printf(m, "\t\tVrefresh: %d", vrefresh);
+
+		seq_puts(m, "\n\t\t");
+		mutex_unlock(&drrs->mutex);
+	} else {
+		/* DRRS not supported. Print the VBT parameter*/
+		seq_puts(m, "\tDRRS Supported : No");
+	}
+	seq_puts(m, "\n");
+}
+
+static int i915_drrs_status(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	struct intel_crtc *intel_crtc;
+	int active_crtc_cnt = 0;
+
+	drm_modeset_lock_all(dev);
+	for_each_intel_crtc(dev, intel_crtc) {
+		if (intel_crtc->base.state->active) {
+			active_crtc_cnt++;
+			seq_printf(m, "\nCRTC %d:  ", active_crtc_cnt);
+
+			drrs_status_per_crtc(m, dev, intel_crtc);
+		}
+	}
+	drm_modeset_unlock_all(dev);
+
+	if (!active_crtc_cnt)
+		seq_puts(m, "No active crtc found\n");
+
+	return 0;
+}
+
+static int i915_dp_mst_info(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_device *dev = &dev_priv->drm;
+	struct intel_encoder *intel_encoder;
+	struct intel_digital_port *intel_dig_port;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+			continue;
+
+		intel_encoder = intel_attached_encoder(to_intel_connector(connector));
+		if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		intel_dig_port = enc_to_dig_port(intel_encoder);
+		if (!intel_dig_port->dp.can_mst)
+			continue;
+
+		seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
+			   intel_dig_port->base.base.base.id,
+			   intel_dig_port->base.base.name);
+		drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	return 0;
+}
+
+static ssize_t i915_displayport_test_active_write(struct file *file,
+						  const char __user *ubuf,
+						  size_t len, loff_t *offp)
+{
+	char *input_buffer;
+	int status = 0;
+	struct drm_device *dev;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	struct intel_dp *intel_dp;
+	int val = 0;
+
+	dev = ((struct seq_file *)file->private_data)->private;
+
+	if (len == 0)
+		return 0;
+
+	input_buffer = memdup_user_nul(ubuf, len);
+	if (IS_ERR(input_buffer))
+		return PTR_ERR(input_buffer);
+
+	drm_dbg(&to_i915(dev)->drm,
+		"Copied %d bytes from user\n", (unsigned int)len);
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		struct intel_encoder *encoder;
+
+		if (connector->connector_type !=
+		    DRM_MODE_CONNECTOR_DisplayPort)
+			continue;
+
+		encoder = to_intel_encoder(connector->encoder);
+		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		if (encoder && connector->status == connector_status_connected) {
+			intel_dp = enc_to_intel_dp(encoder);
+			status = kstrtoint(input_buffer, 10, &val);
+			if (status < 0)
+				break;
+			drm_dbg(&to_i915(dev)->drm,
+				"Got %d for test active\n", val);
+			/* To prevent erroneous activation of the compliance
+			 * testing code, only accept an actual value of 1 here
+			 */
+			if (val == 1)
+				intel_dp->compliance.test_active = true;
+			else
+				intel_dp->compliance.test_active = false;
+		}
+	}
+	drm_connector_list_iter_end(&conn_iter);
+	kfree(input_buffer);
+	if (status < 0)
+		return status;
+
+	*offp += len;
+	return len;
+}
+
+static int i915_displayport_test_active_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	struct drm_device *dev = &dev_priv->drm;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	struct intel_dp *intel_dp;
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		struct intel_encoder *encoder;
+
+		if (connector->connector_type !=
+		    DRM_MODE_CONNECTOR_DisplayPort)
+			continue;
+
+		encoder = to_intel_encoder(connector->encoder);
+		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		if (encoder && connector->status == connector_status_connected) {
+			intel_dp = enc_to_intel_dp(encoder);
+			if (intel_dp->compliance.test_active)
+				seq_puts(m, "1");
+			else
+				seq_puts(m, "0");
+		} else
+			seq_puts(m, "0");
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	return 0;
+}
+
+static int i915_displayport_test_active_open(struct inode *inode,
+					     struct file *file)
+{
+	return single_open(file, i915_displayport_test_active_show,
+			   inode->i_private);
+}
+
+static const struct file_operations i915_displayport_test_active_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_displayport_test_active_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_displayport_test_active_write
+};
+
+static int i915_displayport_test_data_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	struct drm_device *dev = &dev_priv->drm;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	struct intel_dp *intel_dp;
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		struct intel_encoder *encoder;
+
+		if (connector->connector_type !=
+		    DRM_MODE_CONNECTOR_DisplayPort)
+			continue;
+
+		encoder = to_intel_encoder(connector->encoder);
+		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		if (encoder && connector->status == connector_status_connected) {
+			intel_dp = enc_to_intel_dp(encoder);
+			if (intel_dp->compliance.test_type ==
+			    DP_TEST_LINK_EDID_READ)
+				seq_printf(m, "%lx",
+					   intel_dp->compliance.test_data.edid);
+			else if (intel_dp->compliance.test_type ==
+				 DP_TEST_LINK_VIDEO_PATTERN) {
+				seq_printf(m, "hdisplay: %d\n",
+					   intel_dp->compliance.test_data.hdisplay);
+				seq_printf(m, "vdisplay: %d\n",
+					   intel_dp->compliance.test_data.vdisplay);
+				seq_printf(m, "bpc: %u\n",
+					   intel_dp->compliance.test_data.bpc);
+			}
+		} else
+			seq_puts(m, "0");
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
+
+static int i915_displayport_test_type_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	struct drm_device *dev = &dev_priv->drm;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	struct intel_dp *intel_dp;
+
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		struct intel_encoder *encoder;
+
+		if (connector->connector_type !=
+		    DRM_MODE_CONNECTOR_DisplayPort)
+			continue;
+
+		encoder = to_intel_encoder(connector->encoder);
+		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		if (encoder && connector->status == connector_status_connected) {
+			intel_dp = enc_to_intel_dp(encoder);
+			seq_printf(m, "%02lx", intel_dp->compliance.test_type);
+		} else
+			seq_puts(m, "0");
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
+
+static void wm_latency_show(struct seq_file *m, const u16 wm[8])
+{
+	struct drm_i915_private *dev_priv = m->private;
+	struct drm_device *dev = &dev_priv->drm;
+	int level;
+	int num_levels;
+
+	if (IS_CHERRYVIEW(dev_priv))
+		num_levels = 3;
+	else if (IS_VALLEYVIEW(dev_priv))
+		num_levels = 1;
+	else if (IS_G4X(dev_priv))
+		num_levels = 3;
+	else
+		num_levels = ilk_wm_max_level(dev_priv) + 1;
+
+	drm_modeset_lock_all(dev);
+
+	for (level = 0; level < num_levels; level++) {
+		unsigned int latency = wm[level];
+
+		/*
+		 * - WM1+ latency values in 0.5us units
+		 * - latencies are in us on gen9/vlv/chv
+		 */
+		if (INTEL_GEN(dev_priv) >= 9 ||
+		    IS_VALLEYVIEW(dev_priv) ||
+		    IS_CHERRYVIEW(dev_priv) ||
+		    IS_G4X(dev_priv))
+			latency *= 10;
+		else if (level > 0)
+			latency *= 5;
+
+		seq_printf(m, "WM%d %u (%u.%u usec)\n",
+			   level, wm[level], latency / 10, latency % 10);
+	}
+
+	drm_modeset_unlock_all(dev);
+}
+
+static int pri_wm_latency_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	const u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.pri_latency;
+
+	wm_latency_show(m, latencies);
+
+	return 0;
+}
+
+static int spr_wm_latency_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	const u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.spr_latency;
+
+	wm_latency_show(m, latencies);
+
+	return 0;
+}
+
+static int cur_wm_latency_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	const u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.cur_latency;
+
+	wm_latency_show(m, latencies);
+
+	return 0;
+}
+
+static int pri_wm_latency_open(struct inode *inode, struct file *file)
+{
+	struct drm_i915_private *dev_priv = inode->i_private;
+
+	if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
+		return -ENODEV;
+
+	return single_open(file, pri_wm_latency_show, dev_priv);
+}
+
+static int spr_wm_latency_open(struct inode *inode, struct file *file)
+{
+	struct drm_i915_private *dev_priv = inode->i_private;
+
+	if (HAS_GMCH(dev_priv))
+		return -ENODEV;
+
+	return single_open(file, spr_wm_latency_show, dev_priv);
+}
+
+static int cur_wm_latency_open(struct inode *inode, struct file *file)
+{
+	struct drm_i915_private *dev_priv = inode->i_private;
+
+	if (HAS_GMCH(dev_priv))
+		return -ENODEV;
+
+	return single_open(file, cur_wm_latency_show, dev_priv);
+}
+
+static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
+				size_t len, loff_t *offp, u16 wm[8])
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	struct drm_device *dev = &dev_priv->drm;
+	u16 new[8] = { 0 };
+	int num_levels;
+	int level;
+	int ret;
+	char tmp[32];
+
+	if (IS_CHERRYVIEW(dev_priv))
+		num_levels = 3;
+	else if (IS_VALLEYVIEW(dev_priv))
+		num_levels = 1;
+	else if (IS_G4X(dev_priv))
+		num_levels = 3;
+	else
+		num_levels = ilk_wm_max_level(dev_priv) + 1;
+
+	if (len >= sizeof(tmp))
+		return -EINVAL;
+
+	if (copy_from_user(tmp, ubuf, len))
+		return -EFAULT;
+
+	tmp[len] = '\0';
+
+	ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
+		     &new[0], &new[1], &new[2], &new[3],
+		     &new[4], &new[5], &new[6], &new[7]);
+	if (ret != num_levels)
+		return -EINVAL;
+
+	drm_modeset_lock_all(dev);
+
+	for (level = 0; level < num_levels; level++)
+		wm[level] = new[level];
+
+	drm_modeset_unlock_all(dev);
+
+	return len;
+}
+
+
+static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
+				    size_t len, loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.pri_latency;
+
+	return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
+				    size_t len, loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.spr_latency;
+
+	return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
+				    size_t len, loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	u16 *latencies;
+
+	if (INTEL_GEN(dev_priv) >= 9)
+		latencies = dev_priv->wm.skl_latency;
+	else
+		latencies = dev_priv->wm.cur_latency;
+
+	return wm_latency_write(file, ubuf, len, offp, latencies);
+}
+
+static const struct file_operations i915_pri_wm_latency_fops = {
+	.owner = THIS_MODULE,
+	.open = pri_wm_latency_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = pri_wm_latency_write
+};
+
+static const struct file_operations i915_spr_wm_latency_fops = {
+	.owner = THIS_MODULE,
+	.open = spr_wm_latency_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = spr_wm_latency_write
+};
+
+static const struct file_operations i915_cur_wm_latency_fops = {
+	.owner = THIS_MODULE,
+	.open = cur_wm_latency_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = cur_wm_latency_write
+};
+
+static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+	struct i915_hotplug *hotplug = &dev_priv->hotplug;
+
+	/* Synchronize with everything first in case there's been an HPD
+	 * storm, but we haven't finished handling it in the kernel yet
+	 */
+	intel_synchronize_irq(dev_priv);
+	flush_work(&dev_priv->hotplug.dig_port_work);
+	flush_delayed_work(&dev_priv->hotplug.hotplug_work);
+
+	seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
+	seq_printf(m, "Detected: %s\n",
+		   yesno(delayed_work_pending(&hotplug->reenable_work)));
+
+	return 0;
+}
+
+static ssize_t i915_hpd_storm_ctl_write(struct file *file,
+					const char __user *ubuf, size_t len,
+					loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	struct i915_hotplug *hotplug = &dev_priv->hotplug;
+	unsigned int new_threshold;
+	int i;
+	char *newline;
+	char tmp[16];
+
+	if (len >= sizeof(tmp))
+		return -EINVAL;
+
+	if (copy_from_user(tmp, ubuf, len))
+		return -EFAULT;
+
+	tmp[len] = '\0';
+
+	/* Strip newline, if any */
+	newline = strchr(tmp, '\n');
+	if (newline)
+		*newline = '\0';
+
+	if (strcmp(tmp, "reset") == 0)
+		new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
+	else if (kstrtouint(tmp, 10, &new_threshold) != 0)
+		return -EINVAL;
+
+	if (new_threshold > 0)
+		drm_dbg_kms(&dev_priv->drm,
+			    "Setting HPD storm detection threshold to %d\n",
+			    new_threshold);
+	else
+		drm_dbg_kms(&dev_priv->drm, "Disabling HPD storm detection\n");
+
+	spin_lock_irq(&dev_priv->irq_lock);
+	hotplug->hpd_storm_threshold = new_threshold;
+	/* Reset the HPD storm stats so we don't accidentally trigger a storm */
+	for_each_hpd_pin(i)
+		hotplug->stats[i].count = 0;
+	spin_unlock_irq(&dev_priv->irq_lock);
+
+	/* Re-enable hpd immediately if we were in an irq storm */
+	flush_delayed_work(&dev_priv->hotplug.reenable_work);
+
+	return len;
+}
+
+static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
+}
+
+static const struct file_operations i915_hpd_storm_ctl_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_hpd_storm_ctl_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_hpd_storm_ctl_write
+};
+
+static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = m->private;
+
+	seq_printf(m, "Enabled: %s\n",
+		   yesno(dev_priv->hotplug.hpd_short_storm_enabled));
+
+	return 0;
+}
+
+static int
+i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, i915_hpd_short_storm_ctl_show,
+			   inode->i_private);
+}
+
+static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
+					      const char __user *ubuf,
+					      size_t len, loff_t *offp)
+{
+	struct seq_file *m = file->private_data;
+	struct drm_i915_private *dev_priv = m->private;
+	struct i915_hotplug *hotplug = &dev_priv->hotplug;
+	char *newline;
+	char tmp[16];
+	int i;
+	bool new_state;
+
+	if (len >= sizeof(tmp))
+		return -EINVAL;
+
+	if (copy_from_user(tmp, ubuf, len))
+		return -EFAULT;
+
+	tmp[len] = '\0';
+
+	/* Strip newline, if any */
+	newline = strchr(tmp, '\n');
+	if (newline)
+		*newline = '\0';
+
+	/* Reset to the "default" state for this system */
+	if (strcmp(tmp, "reset") == 0)
+		new_state = !HAS_DP_MST(dev_priv);
+	else if (kstrtobool(tmp, &new_state) != 0)
+		return -EINVAL;
+
+	drm_dbg_kms(&dev_priv->drm, "%sabling HPD short storm detection\n",
+		    new_state ? "En" : "Dis");
+
+	spin_lock_irq(&dev_priv->irq_lock);
+	hotplug->hpd_short_storm_enabled = new_state;
+	/* Reset the HPD storm stats so we don't accidentally trigger a storm */
+	for_each_hpd_pin(i)
+		hotplug->stats[i].count = 0;
+	spin_unlock_irq(&dev_priv->irq_lock);
+
+	/* Re-enable hpd immediately if we were in an irq storm */
+	flush_delayed_work(&dev_priv->hotplug.reenable_work);
+
+	return len;
+}
+
+static const struct file_operations i915_hpd_short_storm_ctl_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_hpd_short_storm_ctl_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_hpd_short_storm_ctl_write,
+};
+
+static int i915_drrs_ctl_set(void *data, u64 val)
+{
+	struct drm_i915_private *dev_priv = data;
+	struct drm_device *dev = &dev_priv->drm;
+	struct intel_crtc *crtc;
+
+	if (INTEL_GEN(dev_priv) < 7)
+		return -ENODEV;
+
+	for_each_intel_crtc(dev, crtc) {
+		struct drm_connector_list_iter conn_iter;
+		struct intel_crtc_state *crtc_state;
+		struct drm_connector *connector;
+		struct drm_crtc_commit *commit;
+		int ret;
+
+		ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
+		if (ret)
+			return ret;
+
+		crtc_state = to_intel_crtc_state(crtc->base.state);
+
+		if (!crtc_state->hw.active ||
+		    !crtc_state->has_drrs)
+			goto out;
+
+		commit = crtc_state->uapi.commit;
+		if (commit) {
+			ret = wait_for_completion_interruptible(&commit->hw_done);
+			if (ret)
+				goto out;
+		}
+
+		drm_connector_list_iter_begin(dev, &conn_iter);
+		drm_for_each_connector_iter(connector, &conn_iter) {
+			struct intel_encoder *encoder;
+			struct intel_dp *intel_dp;
+
+			if (!(crtc_state->uapi.connector_mask &
+			      drm_connector_mask(connector)))
+				continue;
+
+			encoder = intel_attached_encoder(to_intel_connector(connector));
+			if (encoder->type != INTEL_OUTPUT_EDP)
+				continue;
+
+			drm_dbg(&dev_priv->drm,
+				"Manually %sabling DRRS. %llu\n",
+				val ? "en" : "dis", val);
+
+			intel_dp = enc_to_intel_dp(encoder);
+			if (val)
+				intel_edp_drrs_enable(intel_dp,
+						      crtc_state);
+			else
+				intel_edp_drrs_disable(intel_dp,
+						       crtc_state);
+		}
+		drm_connector_list_iter_end(&conn_iter);
+
+out:
+		drm_modeset_unlock(&crtc->base.mutex);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_drrs_ctl_fops, NULL, i915_drrs_ctl_set, "%llu\n");
+
+static ssize_t
+i915_fifo_underrun_reset_write(struct file *filp,
+			       const char __user *ubuf,
+			       size_t cnt, loff_t *ppos)
+{
+	struct drm_i915_private *dev_priv = filp->private_data;
+	struct intel_crtc *intel_crtc;
+	struct drm_device *dev = &dev_priv->drm;
+	int ret;
+	bool reset;
+
+	ret = kstrtobool_from_user(ubuf, cnt, &reset);
+	if (ret)
+		return ret;
+
+	if (!reset)
+		return cnt;
+
+	for_each_intel_crtc(dev, intel_crtc) {
+		struct drm_crtc_commit *commit;
+		struct intel_crtc_state *crtc_state;
+
+		ret = drm_modeset_lock_single_interruptible(&intel_crtc->base.mutex);
+		if (ret)
+			return ret;
+
+		crtc_state = to_intel_crtc_state(intel_crtc->base.state);
+		commit = crtc_state->uapi.commit;
+		if (commit) {
+			ret = wait_for_completion_interruptible(&commit->hw_done);
+			if (!ret)
+				ret = wait_for_completion_interruptible(&commit->flip_done);
+		}
+
+		if (!ret && crtc_state->hw.active) {
+			drm_dbg_kms(&dev_priv->drm,
+				    "Re-arming FIFO underruns on pipe %c\n",
+				    pipe_name(intel_crtc->pipe));
+
+			intel_crtc_arm_fifo_underrun(intel_crtc, crtc_state);
+		}
+
+		drm_modeset_unlock(&intel_crtc->base.mutex);
+
+		if (ret)
+			return ret;
+	}
+
+	ret = intel_fbc_reset_underrun(dev_priv);
+	if (ret)
+		return ret;
+
+	return cnt;
+}
+
+static const struct file_operations i915_fifo_underrun_reset_ops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = i915_fifo_underrun_reset_write,
+	.llseek = default_llseek,
+};
+
+static const struct drm_info_list intel_display_debugfs_list[] = {
+	{"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
+	{"i915_fbc_status", i915_fbc_status, 0},
+	{"i915_ips_status", i915_ips_status, 0},
+	{"i915_sr_status", i915_sr_status, 0},
+	{"i915_opregion", i915_opregion, 0},
+	{"i915_vbt", i915_vbt, 0},
+	{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
+	{"i915_edp_psr_status", i915_edp_psr_status, 0},
+	{"i915_power_domain_info", i915_power_domain_info, 0},
+	{"i915_dmc_info", i915_dmc_info, 0},
+	{"i915_display_info", i915_display_info, 0},
+	{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
+	{"i915_dp_mst_info", i915_dp_mst_info, 0},
+	{"i915_ddb_info", i915_ddb_info, 0},
+	{"i915_drrs_status", i915_drrs_status, 0},
+};
+
+static const struct {
+	const char *name;
+	const struct file_operations *fops;
+} intel_display_debugfs_files[] = {
+	{"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
+	{"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
+	{"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
+	{"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
+	{"i915_fbc_false_color", &i915_fbc_false_color_fops},
+	{"i915_dp_test_data", &i915_displayport_test_data_fops},
+	{"i915_dp_test_type", &i915_displayport_test_type_fops},
+	{"i915_dp_test_active", &i915_displayport_test_active_fops},
+	{"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
+	{"i915_hpd_short_storm_ctl", &i915_hpd_short_storm_ctl_fops},
+	{"i915_ipc_status", &i915_ipc_status_fops},
+	{"i915_drrs_ctl", &i915_drrs_ctl_fops},
+	{"i915_edp_psr_debug", &i915_edp_psr_debug_fops},
+};
+
+int intel_display_debugfs_register(struct drm_i915_private *i915)
+{
+	struct drm_minor *minor = i915->drm.primary;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(intel_display_debugfs_files); i++) {
+		debugfs_create_file(intel_display_debugfs_files[i].name,
+				    S_IRUGO | S_IWUSR,
+				    minor->debugfs_root,
+				    to_i915(minor->dev),
+				    intel_display_debugfs_files[i].fops);
+	}
+
+	return drm_debugfs_create_files(intel_display_debugfs_list,
+					ARRAY_SIZE(intel_display_debugfs_list),
+					minor->debugfs_root, minor);
+}
+
+static int i915_panel_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+	struct intel_dp *intel_dp =
+		intel_attached_dp(to_intel_connector(connector));
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Panel power up delay: %d\n",
+		   intel_dp->panel_power_up_delay);
+	seq_printf(m, "Panel power down delay: %d\n",
+		   intel_dp->panel_power_down_delay);
+	seq_printf(m, "Backlight on delay: %d\n",
+		   intel_dp->backlight_on_delay);
+	seq_printf(m, "Backlight off delay: %d\n",
+		   intel_dp->backlight_off_delay);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_panel);
+
+static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	/* HDCP is supported by connector */
+	if (!intel_connector->hdcp.shim)
+		return -EINVAL;
+
+	seq_printf(m, "%s:%d HDCP version: ", connector->name,
+		   connector->base.id);
+	intel_hdcp_info(m, intel_connector);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
+
+static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+	struct drm_device *dev = connector->dev;
+	struct drm_crtc *crtc;
+	struct intel_dp *intel_dp;
+	struct drm_modeset_acquire_ctx ctx;
+	struct intel_crtc_state *crtc_state = NULL;
+	int ret = 0;
+	bool try_again = false;
+
+	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
+
+	do {
+		try_again = false;
+		ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
+				       &ctx);
+		if (ret) {
+			if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
+				try_again = true;
+				continue;
+			}
+			break;
+		}
+		crtc = connector->state->crtc;
+		if (connector->status != connector_status_connected || !crtc) {
+			ret = -ENODEV;
+			break;
+		}
+		ret = drm_modeset_lock(&crtc->mutex, &ctx);
+		if (ret == -EDEADLK) {
+			ret = drm_modeset_backoff(&ctx);
+			if (!ret) {
+				try_again = true;
+				continue;
+			}
+			break;
+		} else if (ret) {
+			break;
+		}
+		intel_dp = intel_attached_dp(to_intel_connector(connector));
+		crtc_state = to_intel_crtc_state(crtc->state);
+		seq_printf(m, "DSC_Enabled: %s\n",
+			   yesno(crtc_state->dsc.compression_enable));
+		seq_printf(m, "DSC_Sink_Support: %s\n",
+			   yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
+		seq_printf(m, "Force_DSC_Enable: %s\n",
+			   yesno(intel_dp->force_dsc_en));
+		if (!intel_dp_is_edp(intel_dp))
+			seq_printf(m, "FEC_Sink_Support: %s\n",
+				   yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
+	} while (try_again);
+
+	drm_modeset_drop_locks(&ctx);
+	drm_modeset_acquire_fini(&ctx);
+
+	return ret;
+}
+
+static ssize_t i915_dsc_fec_support_write(struct file *file,
+					  const char __user *ubuf,
+					  size_t len, loff_t *offp)
+{
+	bool dsc_enable = false;
+	int ret;
+	struct drm_connector *connector =
+		((struct seq_file *)file->private_data)->private;
+	struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+	if (len == 0)
+		return 0;
+
+	drm_dbg(&i915->drm,
+		"Copied %zu bytes from user to force DSC\n", len);
+
+	ret = kstrtobool_from_user(ubuf, len, &dsc_enable);
+	if (ret < 0)
+		return ret;
+
+	drm_dbg(&i915->drm, "Got %s for DSC Enable\n",
+		(dsc_enable) ? "true" : "false");
+	intel_dp->force_dsc_en = dsc_enable;
+
+	*offp += len;
+	return len;
+}
+
+static int i915_dsc_fec_support_open(struct inode *inode,
+				     struct file *file)
+{
+	return single_open(file, i915_dsc_fec_support_show,
+			   inode->i_private);
+}
+
+static const struct file_operations i915_dsc_fec_support_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_dsc_fec_support_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_dsc_fec_support_write
+};
+
+/**
+ * intel_connector_debugfs_add - add i915 specific connector debugfs files
+ * @connector: pointer to a registered drm_connector
+ *
+ * Cleanup will be done by drm_connector_unregister() through a call to
+ * drm_debugfs_connector_remove().
+ *
+ * Returns 0 on success, negative error codes on error.
+ */
+int intel_connector_debugfs_add(struct drm_connector *connector)
+{
+	struct dentry *root = connector->debugfs_entry;
+	struct drm_i915_private *dev_priv = to_i915(connector->dev);
+
+	/* The connector must have been registered beforehands. */
+	if (!root)
+		return -ENODEV;
+
+	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+		debugfs_create_file("i915_panel_timings", S_IRUGO, root,
+				    connector, &i915_panel_fops);
+		debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
+				    connector, &i915_psr_sink_status_fops);
+	}
+
+	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
+		debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
+				    connector, &i915_hdcp_sink_capability_fops);
+	}
+
+	if (INTEL_GEN(dev_priv) >= 10 &&
+	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
+				    connector, &i915_dsc_fec_support_fops);
+
+	return 0;
+}

drivers/gpu/drm/i915/display/intel_display_debugfs.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef __INTEL_DISPLAY_DEBUGFS_H__
+#define __INTEL_DISPLAY_DEBUGFS_H__
+
+struct drm_connector;
+struct drm_i915_private;
+
+#ifdef CONFIG_DEBUG_FS
+int intel_display_debugfs_register(struct drm_i915_private *i915);
+int intel_connector_debugfs_add(struct drm_connector *connector);
+#else
+static inline int intel_display_debugfs_register(struct drm_i915_private *i915) { return 0; }
+static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; }
+#endif
+
+#endif /* __INTEL_DISPLAY_DEBUGFS_H__ */

drivers/gpu/drm/i915/display/intel_dp.c

@@ -49,6 +49,7 @@
 #include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
+#include "intel_display_debugfs.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
 #include "intel_dp_link_training.h"
@@ -5851,7 +5852,7 @@ intel_dp_connector_register(struct drm_connector *connector)
 	if (ret)
 		return ret;
 
-	i915_debugfs_connector_add(connector);
+	intel_connector_debugfs_add(connector);
 
 	DRM_DEBUG_KMS("registering %s bus for %s\n",
 		      intel_dp->aux.name, connector->kdev->kobj.name);

drivers/gpu/drm/i915/display/intel_hdmi.c

@@ -45,6 +45,7 @@
 #include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
+#include "intel_display_debugfs.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
 #include "intel_dpio_phy.h"
@@ -2818,7 +2819,7 @@ intel_hdmi_connector_register(struct drm_connector *connector)
 	if (ret)
 		return ret;
 
-	i915_debugfs_connector_add(connector);
+	intel_connector_debugfs_add(connector);
 
 	intel_hdmi_create_i2c_symlink(connector);
 

drivers/gpu/drm/i915/i915_debugfs.c

@@ -30,15 +30,6 @@
 #include <linux/sort.h>
 
 #include <drm/drm_debugfs.h>
-#include <drm/drm_fourcc.h>
-
-#include "display/intel_csr.h"
-#include "display/intel_display_types.h"
-#include "display/intel_dp.h"
-#include "display/intel_fbc.h"
-#include "display/intel_hdcp.h"
-#include "display/intel_hdmi.h"
-#include "display/intel_psr.h"
 
 #include "gem/i915_gem_context.h"
 #include "gt/intel_gt_pm.h"
@@ -128,8 +119,8 @@ stringify_page_sizes(unsigned int page_sizes, char *buf, size_t len)
 	}
 }
 
-static void
-describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
+void
+i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 {
 	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
 	struct intel_engine_cs *engine;
@@ -674,7 +665,7 @@ static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
 		if (!vma)
 			seq_puts(m, "unused");
 		else
-			describe_obj(m, vma->obj);
+			i915_debugfs_describe_obj(m, vma->obj);
 		seq_putc(m, '\n');
 	}
 	rcu_read_unlock();
@@ -1219,153 +1210,6 @@ static int i915_drpc_info(struct seq_file *m, void *unused)
 	return err;
 }
 
-static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-
-	seq_printf(m, "FB tracking busy bits: 0x%08x\n",
-		   dev_priv->fb_tracking.busy_bits);
-
-	seq_printf(m, "FB tracking flip bits: 0x%08x\n",
-		   dev_priv->fb_tracking.flip_bits);
-
-	return 0;
-}
-
-static int i915_fbc_status(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct intel_fbc *fbc = &dev_priv->fbc;
-	intel_wakeref_t wakeref;
-
-	if (!HAS_FBC(dev_priv))
-		return -ENODEV;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-	mutex_lock(&fbc->lock);
-
-	if (intel_fbc_is_active(dev_priv))
-		seq_puts(m, "FBC enabled\n");
-	else
-		seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
-
-	if (intel_fbc_is_active(dev_priv)) {
-		u32 mask;
-
-		if (INTEL_GEN(dev_priv) >= 8)
-			mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
-		else if (INTEL_GEN(dev_priv) >= 7)
-			mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
-		else if (INTEL_GEN(dev_priv) >= 5)
-			mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
-		else if (IS_G4X(dev_priv))
-			mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
-		else
-			mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
-							FBC_STAT_COMPRESSED);
-
-		seq_printf(m, "Compressing: %s\n", yesno(mask));
-	}
-
-	mutex_unlock(&fbc->lock);
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
-static int i915_fbc_false_color_get(void *data, u64 *val)
-{
-	struct drm_i915_private *dev_priv = data;
-
-	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
-		return -ENODEV;
-
-	*val = dev_priv->fbc.false_color;
-
-	return 0;
-}
-
-static int i915_fbc_false_color_set(void *data, u64 val)
-{
-	struct drm_i915_private *dev_priv = data;
-	u32 reg;
-
-	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
-		return -ENODEV;
-
-	mutex_lock(&dev_priv->fbc.lock);
-
-	reg = I915_READ(ILK_DPFC_CONTROL);
-	dev_priv->fbc.false_color = val;
-
-	I915_WRITE(ILK_DPFC_CONTROL, val ?
-		   (reg | FBC_CTL_FALSE_COLOR) :
-		   (reg & ~FBC_CTL_FALSE_COLOR));
-
-	mutex_unlock(&dev_priv->fbc.lock);
-	return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
-			i915_fbc_false_color_get, i915_fbc_false_color_set,
-			"%llu\n");
-
-static int i915_ips_status(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	intel_wakeref_t wakeref;
-
-	if (!HAS_IPS(dev_priv))
-		return -ENODEV;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	seq_printf(m, "Enabled by kernel parameter: %s\n",
-		   yesno(i915_modparams.enable_ips));
-
-	if (INTEL_GEN(dev_priv) >= 8) {
-		seq_puts(m, "Currently: unknown\n");
-	} else {
-		if (I915_READ(IPS_CTL) & IPS_ENABLE)
-			seq_puts(m, "Currently: enabled\n");
-		else
-			seq_puts(m, "Currently: disabled\n");
-	}
-
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
-static int i915_sr_status(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	intel_wakeref_t wakeref;
-	bool sr_enabled = false;
-
-	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		/* no global SR status; inspect per-plane WM */;
-	else if (HAS_PCH_SPLIT(dev_priv))
-		sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
-	else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) ||
-		 IS_I945G(dev_priv) || IS_I945GM(dev_priv))
-		sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
-	else if (IS_I915GM(dev_priv))
-		sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
-	else if (IS_PINEVIEW(dev_priv))
-		sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
-	else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
-		sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
-
-	intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
-
-	seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled));
-
-	return 0;
-}
-
 static int i915_ring_freq_table(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -1407,70 +1251,6 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused)
 	return 0;
 }
 
-static int i915_opregion(struct seq_file *m, void *unused)
-{
-	struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
-
-	if (opregion->header)
-		seq_write(m, opregion->header, OPREGION_SIZE);
-
-	return 0;
-}
-
-static int i915_vbt(struct seq_file *m, void *unused)
-{
-	struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
-
-	if (opregion->vbt)
-		seq_write(m, opregion->vbt, opregion->vbt_size);
-
-	return 0;
-}
-
-static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_framebuffer *fbdev_fb = NULL;
-	struct drm_framebuffer *drm_fb;
-
-#ifdef CONFIG_DRM_FBDEV_EMULATION
-	if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
-		fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
-
-		seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
-			   fbdev_fb->base.width,
-			   fbdev_fb->base.height,
-			   fbdev_fb->base.format->depth,
-			   fbdev_fb->base.format->cpp[0] * 8,
-			   fbdev_fb->base.modifier,
-			   drm_framebuffer_read_refcount(&fbdev_fb->base));
-		describe_obj(m, intel_fb_obj(&fbdev_fb->base));
-		seq_putc(m, '\n');
-	}
-#endif
-
-	mutex_lock(&dev->mode_config.fb_lock);
-	drm_for_each_fb(drm_fb, dev) {
-		struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
-		if (fb == fbdev_fb)
-			continue;
-
-		seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
-			   fb->base.width,
-			   fb->base.height,
-			   fb->base.format->depth,
-			   fb->base.format->cpp[0] * 8,
-			   fb->base.modifier,
-			   drm_framebuffer_read_refcount(&fb->base));
-		describe_obj(m, intel_fb_obj(&fb->base));
-		seq_putc(m, '\n');
-	}
-	mutex_unlock(&dev->mode_config.fb_lock);
-
-	return 0;
-}
-
 static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
 {
 	seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, emit: %u)",
@@ -1516,7 +1296,7 @@ static int i915_context_status(struct seq_file *m, void *unused)
 			if (intel_context_pin_if_active(ce)) {
 				seq_printf(m, "%s: ", ce->engine->name);
 				if (ce->state)
-					describe_obj(m, ce->state->obj);
+					i915_debugfs_describe_obj(m, ce->state->obj);
 				describe_ctx_ring(m, ce->ring);
 				seq_putc(m, '\n');
 				intel_context_unpin(ce);
@@ -1964,230 +1744,6 @@ static const struct file_operations i915_guc_log_relay_fops = {
 	.release = i915_guc_log_relay_release,
 };
 
-static int i915_psr_sink_status_show(struct seq_file *m, void *data)
-{
-	u8 val;
-	static const char * const sink_status[] = {
-		"inactive",
-		"transition to active, capture and display",
-		"active, display from RFB",
-		"active, capture and display on sink device timings",
-		"transition to inactive, capture and display, timing re-sync",
-		"reserved",
-		"reserved",
-		"sink internal error",
-	};
-	struct drm_connector *connector = m->private;
-	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_dp *intel_dp =
-		intel_attached_dp(to_intel_connector(connector));
-	int ret;
-
-	if (!CAN_PSR(dev_priv)) {
-		seq_puts(m, "PSR Unsupported\n");
-		return -ENODEV;
-	}
-
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
-
-	ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
-
-	if (ret == 1) {
-		const char *str = "unknown";
-
-		val &= DP_PSR_SINK_STATE_MASK;
-		if (val < ARRAY_SIZE(sink_status))
-			str = sink_status[val];
-		seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
-	} else {
-		return ret;
-	}
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
-
-static void
-psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
-{
-	u32 val, status_val;
-	const char *status = "unknown";
-
-	if (dev_priv->psr.psr2_enabled) {
-		static const char * const live_status[] = {
-			"IDLE",
-			"CAPTURE",
-			"CAPTURE_FS",
-			"SLEEP",
-			"BUFON_FW",
-			"ML_UP",
-			"SU_STANDBY",
-			"FAST_SLEEP",
-			"DEEP_SLEEP",
-			"BUF_ON",
-			"TG_ON"
-		};
-		val = I915_READ(EDP_PSR2_STATUS(dev_priv->psr.transcoder));
-		status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
-			      EDP_PSR2_STATUS_STATE_SHIFT;
-		if (status_val < ARRAY_SIZE(live_status))
-			status = live_status[status_val];
-	} else {
-		static const char * const live_status[] = {
-			"IDLE",
-			"SRDONACK",
-			"SRDENT",
-			"BUFOFF",
-			"BUFON",
-			"AUXACK",
-			"SRDOFFACK",
-			"SRDENT_ON",
-		};
-		val = I915_READ(EDP_PSR_STATUS(dev_priv->psr.transcoder));
-		status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
-			      EDP_PSR_STATUS_STATE_SHIFT;
-		if (status_val < ARRAY_SIZE(live_status))
-			status = live_status[status_val];
-	}
-
-	seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
-}
-
-static int i915_edp_psr_status(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct i915_psr *psr = &dev_priv->psr;
-	intel_wakeref_t wakeref;
-	const char *status;
-	bool enabled;
-	u32 val;
-
-	if (!HAS_PSR(dev_priv))
-		return -ENODEV;
-
-	seq_printf(m, "Sink support: %s", yesno(psr->sink_support));
-	if (psr->dp)
-		seq_printf(m, " [0x%02x]", psr->dp->psr_dpcd[0]);
-	seq_puts(m, "\n");
-
-	if (!psr->sink_support)
-		return 0;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-	mutex_lock(&psr->lock);
-
-	if (psr->enabled)
-		status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled";
-	else
-		status = "disabled";
-	seq_printf(m, "PSR mode: %s\n", status);
-
-	if (!psr->enabled) {
-		seq_printf(m, "PSR sink not reliable: %s\n",
-			   yesno(psr->sink_not_reliable));
-
-		goto unlock;
-	}
-
-	if (psr->psr2_enabled) {
-		val = I915_READ(EDP_PSR2_CTL(dev_priv->psr.transcoder));
-		enabled = val & EDP_PSR2_ENABLE;
-	} else {
-		val = I915_READ(EDP_PSR_CTL(dev_priv->psr.transcoder));
-		enabled = val & EDP_PSR_ENABLE;
-	}
-	seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
-		   enableddisabled(enabled), val);
-	psr_source_status(dev_priv, m);
-	seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
-		   psr->busy_frontbuffer_bits);
-
-	/*
-	 * SKL+ Perf counter is reset to 0 everytime DC state is entered
-	 */
-	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
-		val = I915_READ(EDP_PSR_PERF_CNT(dev_priv->psr.transcoder));
-		val &= EDP_PSR_PERF_CNT_MASK;
-		seq_printf(m, "Performance counter: %u\n", val);
-	}
-
-	if (psr->debug & I915_PSR_DEBUG_IRQ) {
-		seq_printf(m, "Last attempted entry at: %lld\n",
-			   psr->last_entry_attempt);
-		seq_printf(m, "Last exit at: %lld\n", psr->last_exit);
-	}
-
-	if (psr->psr2_enabled) {
-		u32 su_frames_val[3];
-		int frame;
-
-		/*
-		 * Reading all 3 registers before hand to minimize crossing a
-		 * frame boundary between register reads
-		 */
-		for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
-			val = I915_READ(PSR2_SU_STATUS(dev_priv->psr.transcoder,
-						       frame));
-			su_frames_val[frame / 3] = val;
-		}
-
-		seq_puts(m, "Frame:\tPSR2 SU blocks:\n");
-
-		for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame++) {
-			u32 su_blocks;
-
-			su_blocks = su_frames_val[frame / 3] &
-				    PSR2_SU_STATUS_MASK(frame);
-			su_blocks = su_blocks >> PSR2_SU_STATUS_SHIFT(frame);
-			seq_printf(m, "%d\t%d\n", frame, su_blocks);
-		}
-	}
-
-unlock:
-	mutex_unlock(&psr->lock);
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
-static int
-i915_edp_psr_debug_set(void *data, u64 val)
-{
-	struct drm_i915_private *dev_priv = data;
-	intel_wakeref_t wakeref;
-	int ret;
-
-	if (!CAN_PSR(dev_priv))
-		return -ENODEV;
-
-	drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	ret = intel_psr_debug_set(dev_priv, val);
-
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return ret;
-}
-
-static int
-i915_edp_psr_debug_get(void *data, u64 *val)
-{
-	struct drm_i915_private *dev_priv = data;
-
-	if (!CAN_PSR(dev_priv))
-		return -ENODEV;
-
-	*val = READ_ONCE(dev_priv->psr.debug);
-	return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
-			i915_edp_psr_debug_get, i915_edp_psr_debug_set,
-			"%llu\n");
-
 static int i915_runtime_pm_status(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -2221,1207 +1777,78 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused)
 	return 0;
 }
 
-static int i915_power_domain_info(struct seq_file *m, void *unused)
+static int i915_engine_info(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct i915_power_domains *power_domains = &dev_priv->power_domains;
-	int i;
-
-	mutex_lock(&power_domains->lock);
+	struct intel_engine_cs *engine;
+	intel_wakeref_t wakeref;
+	struct drm_printer p;
 
-	seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
-	for (i = 0; i < power_domains->power_well_count; i++) {
-		struct i915_power_well *power_well;
-		enum intel_display_power_domain power_domain;
+	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
-		power_well = &power_domains->power_wells[i];
-		seq_printf(m, "%-25s %d\n", power_well->desc->name,
-			   power_well->count);
+	seq_printf(m, "GT awake? %s [%d]\n",
+		   yesno(dev_priv->gt.awake),
+		   atomic_read(&dev_priv->gt.wakeref.count));
+	seq_printf(m, "CS timestamp frequency: %u kHz\n",
+		   RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_khz);
 
-		for_each_power_domain(power_domain, power_well->desc->domains)
-			seq_printf(m, "  %-23s %d\n",
-				 intel_display_power_domain_str(power_domain),
-				 power_domains->domain_use_count[power_domain]);
-	}
+	p = drm_seq_file_printer(m);
+	for_each_uabi_engine(engine, dev_priv)
+		intel_engine_dump(engine, &p, "%s\n", engine->name);
 
-	mutex_unlock(&power_domains->lock);
+	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
 
 	return 0;
 }
 
-static int i915_dmc_info(struct seq_file *m, void *unused)
+static int i915_rcs_topology(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	intel_wakeref_t wakeref;
-	struct intel_csr *csr;
-	i915_reg_t dc5_reg, dc6_reg = {};
-
-	if (!HAS_CSR(dev_priv))
-		return -ENODEV;
-
-	csr = &dev_priv->csr;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
-	seq_printf(m, "path: %s\n", csr->fw_path);
-
-	if (!csr->dmc_payload)
-		goto out;
-
-	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
-		   CSR_VERSION_MINOR(csr->version));
-
-	if (INTEL_GEN(dev_priv) >= 12) {
-		dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
-		dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
-		/*
-		 * NOTE: DMC_DEBUG3 is a general purpose reg.
-		 * According to B.Specs:49196 DMC f/w reuses DC5/6 counter
-		 * reg for DC3CO debugging and validation,
-		 * but TGL DMC f/w is using DMC_DEBUG3 reg for DC3CO counter.
-		 */
-		seq_printf(m, "DC3CO count: %d\n", I915_READ(DMC_DEBUG3));
-	} else {
-		dc5_reg = IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
-						 SKL_CSR_DC3_DC5_COUNT;
-		if (!IS_GEN9_LP(dev_priv))
-			dc6_reg = SKL_CSR_DC5_DC6_COUNT;
-	}
-
-	seq_printf(m, "DC3 -> DC5 count: %d\n", I915_READ(dc5_reg));
-	if (dc6_reg.reg)
-		seq_printf(m, "DC5 -> DC6 count: %d\n", I915_READ(dc6_reg));
-
-out:
-	seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
-	seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
-	seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
+	struct drm_printer p = drm_seq_file_printer(m);
 
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+	intel_device_info_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
 
 	return 0;
 }
 
-static void intel_seq_print_mode(struct seq_file *m, int tabs,
-				 const struct drm_display_mode *mode)
+static int i915_shrinker_info(struct seq_file *m, void *unused)
 {
-	int i;
+	struct drm_i915_private *i915 = node_to_i915(m->private);
 
-	for (i = 0; i < tabs; i++)
-		seq_putc(m, '\t');
+	seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks);
+	seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch);
 
-	seq_printf(m, DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+	return 0;
 }
 
-static void intel_encoder_info(struct seq_file *m,
-			       struct intel_crtc *crtc,
-			       struct intel_encoder *encoder)
+static int i915_wa_registers(struct seq_file *m, void *unused)
 {
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_connector_list_iter conn_iter;
-	struct drm_connector *connector;
-
-	seq_printf(m, "\t[ENCODER:%d:%s]: connectors:\n",
-		   encoder->base.base.id, encoder->base.name);
+	struct drm_i915_private *i915 = node_to_i915(m->private);
+	struct intel_engine_cs *engine;
 
-	drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		const struct drm_connector_state *conn_state =
-			connector->state;
+	for_each_uabi_engine(engine, i915) {
+		const struct i915_wa_list *wal = &engine->ctx_wa_list;
+		const struct i915_wa *wa;
+		unsigned int count;
 
-		if (conn_state->best_encoder != &encoder->base)
-			continue;
-
-		seq_printf(m, "\t\t[CONNECTOR:%d:%s]\n",
-			   connector->base.id, connector->name);
-	}
-	drm_connector_list_iter_end(&conn_iter);
-}
-
-static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
-{
-	const struct drm_display_mode *mode = panel->fixed_mode;
-
-	seq_printf(m, "\tfixed mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
-}
-
-static void intel_hdcp_info(struct seq_file *m,
-			    struct intel_connector *intel_connector)
-{
-	bool hdcp_cap, hdcp2_cap;
-
-	hdcp_cap = intel_hdcp_capable(intel_connector);
-	hdcp2_cap = intel_hdcp2_capable(intel_connector);
-
-	if (hdcp_cap)
-		seq_puts(m, "HDCP1.4 ");
-	if (hdcp2_cap)
-		seq_puts(m, "HDCP2.2 ");
-
-	if (!hdcp_cap && !hdcp2_cap)
-		seq_puts(m, "None");
-
-	seq_puts(m, "\n");
-}
-
-static void intel_dp_info(struct seq_file *m,
-			  struct intel_connector *intel_connector)
-{
-	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
-	struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
-
-	seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
-	seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
-	if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
-		intel_panel_info(m, &intel_connector->panel);
-
-	drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
-				&intel_dp->aux);
-	if (intel_connector->hdcp.shim) {
-		seq_puts(m, "\tHDCP version: ");
-		intel_hdcp_info(m, intel_connector);
-	}
-}
-
-static void intel_dp_mst_info(struct seq_file *m,
-			  struct intel_connector *intel_connector)
-{
-	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
-	struct intel_dp_mst_encoder *intel_mst =
-		enc_to_mst(intel_encoder);
-	struct intel_digital_port *intel_dig_port = intel_mst->primary;
-	struct intel_dp *intel_dp = &intel_dig_port->dp;
-	bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
-					intel_connector->port);
-
-	seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
-}
-
-static void intel_hdmi_info(struct seq_file *m,
-			    struct intel_connector *intel_connector)
-{
-	struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(intel_encoder);
-
-	seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
-	if (intel_connector->hdcp.shim) {
-		seq_puts(m, "\tHDCP version: ");
-		intel_hdcp_info(m, intel_connector);
-	}
-}
-
-static void intel_lvds_info(struct seq_file *m,
-			    struct intel_connector *intel_connector)
-{
-	intel_panel_info(m, &intel_connector->panel);
-}
-
-static void intel_connector_info(struct seq_file *m,
-				 struct drm_connector *connector)
-{
-	struct intel_connector *intel_connector = to_intel_connector(connector);
-	const struct drm_connector_state *conn_state = connector->state;
-	struct intel_encoder *encoder =
-		to_intel_encoder(conn_state->best_encoder);
-	const struct drm_display_mode *mode;
-
-	seq_printf(m, "[CONNECTOR:%d:%s]: status: %s\n",
-		   connector->base.id, connector->name,
-		   drm_get_connector_status_name(connector->status));
-
-	if (connector->status == connector_status_disconnected)
-		return;
-
-	seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
-		   connector->display_info.width_mm,
-		   connector->display_info.height_mm);
-	seq_printf(m, "\tsubpixel order: %s\n",
-		   drm_get_subpixel_order_name(connector->display_info.subpixel_order));
-	seq_printf(m, "\tCEA rev: %d\n", connector->display_info.cea_rev);
-
-	if (!encoder)
-		return;
-
-	switch (connector->connector_type) {
-	case DRM_MODE_CONNECTOR_DisplayPort:
-	case DRM_MODE_CONNECTOR_eDP:
-		if (encoder->type == INTEL_OUTPUT_DP_MST)
-			intel_dp_mst_info(m, intel_connector);
-		else
-			intel_dp_info(m, intel_connector);
-		break;
-	case DRM_MODE_CONNECTOR_LVDS:
-		if (encoder->type == INTEL_OUTPUT_LVDS)
-			intel_lvds_info(m, intel_connector);
-		break;
-	case DRM_MODE_CONNECTOR_HDMIA:
-		if (encoder->type == INTEL_OUTPUT_HDMI ||
-		    encoder->type == INTEL_OUTPUT_DDI)
-			intel_hdmi_info(m, intel_connector);
-		break;
-	default:
-		break;
-	}
-
-	seq_printf(m, "\tmodes:\n");
-	list_for_each_entry(mode, &connector->modes, head)
-		intel_seq_print_mode(m, 2, mode);
-}
-
-static const char *plane_type(enum drm_plane_type type)
-{
-	switch (type) {
-	case DRM_PLANE_TYPE_OVERLAY:
-		return "OVL";
-	case DRM_PLANE_TYPE_PRIMARY:
-		return "PRI";
-	case DRM_PLANE_TYPE_CURSOR:
-		return "CUR";
-	/*
-	 * Deliberately omitting default: to generate compiler warnings
-	 * when a new drm_plane_type gets added.
-	 */
-	}
-
-	return "unknown";
-}
-
-static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
-{
-	/*
-	 * According to doc only one DRM_MODE_ROTATE_ is allowed but this
-	 * will print them all to visualize if the values are misused
-	 */
-	snprintf(buf, bufsize,
-		 "%s%s%s%s%s%s(0x%08x)",
-		 (rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
-		 (rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
-		 (rotation & DRM_MODE_ROTATE_180) ? "180 " : "",
-		 (rotation & DRM_MODE_ROTATE_270) ? "270 " : "",
-		 (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
-		 (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
-		 rotation);
-}
-
-static void intel_plane_uapi_info(struct seq_file *m, struct intel_plane *plane)
-{
-	const struct intel_plane_state *plane_state =
-		to_intel_plane_state(plane->base.state);
-	const struct drm_framebuffer *fb = plane_state->uapi.fb;
-	struct drm_format_name_buf format_name;
-	struct drm_rect src, dst;
-	char rot_str[48];
-
-	src = drm_plane_state_src(&plane_state->uapi);
-	dst = drm_plane_state_dest(&plane_state->uapi);
-
-	if (fb)
-		drm_get_format_name(fb->format->format, &format_name);
-
-	plane_rotation(rot_str, sizeof(rot_str),
-		       plane_state->uapi.rotation);
-
-	seq_printf(m, "\t\tuapi: fb=%d,%s,%dx%d, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
-		   fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
-		   fb ? fb->width : 0, fb ? fb->height : 0,
-		   DRM_RECT_FP_ARG(&src),
-		   DRM_RECT_ARG(&dst),
-		   rot_str);
-}
-
-static void intel_plane_hw_info(struct seq_file *m, struct intel_plane *plane)
-{
-	const struct intel_plane_state *plane_state =
-		to_intel_plane_state(plane->base.state);
-	const struct drm_framebuffer *fb = plane_state->hw.fb;
-	struct drm_format_name_buf format_name;
-	char rot_str[48];
-
-	if (!fb)
-		return;
-
-	drm_get_format_name(fb->format->format, &format_name);
-
-	plane_rotation(rot_str, sizeof(rot_str),
-		       plane_state->hw.rotation);
-
-	seq_printf(m, "\t\thw: fb=%d,%s,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
-		   fb->base.id, format_name.str,
-		   fb->width, fb->height,
-		   yesno(plane_state->uapi.visible),
-		   DRM_RECT_FP_ARG(&plane_state->uapi.src),
-		   DRM_RECT_ARG(&plane_state->uapi.dst),
-		   rot_str);
-}
-
-static void intel_plane_info(struct seq_file *m, struct intel_crtc *crtc)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct intel_plane *plane;
-
-	for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
-		seq_printf(m, "\t[PLANE:%d:%s]: type=%s\n",
-			   plane->base.base.id, plane->base.name,
-			   plane_type(plane->base.type));
-		intel_plane_uapi_info(m, plane);
-		intel_plane_hw_info(m, plane);
-	}
-}
-
-static void intel_scaler_info(struct seq_file *m, struct intel_crtc *crtc)
-{
-	const struct intel_crtc_state *crtc_state =
-		to_intel_crtc_state(crtc->base.state);
-	int num_scalers = crtc->num_scalers;
-	int i;
-
-	/* Not all platformas have a scaler */
-	if (num_scalers) {
-		seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
-			   num_scalers,
-			   crtc_state->scaler_state.scaler_users,
-			   crtc_state->scaler_state.scaler_id);
-
-		for (i = 0; i < num_scalers; i++) {
-			const struct intel_scaler *sc =
-				&crtc_state->scaler_state.scalers[i];
-
-			seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
-				   i, yesno(sc->in_use), sc->mode);
-		}
-		seq_puts(m, "\n");
-	} else {
-		seq_puts(m, "\tNo scalers available on this platform\n");
-	}
-}
-
-static void intel_crtc_info(struct seq_file *m, struct intel_crtc *crtc)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	const struct intel_crtc_state *crtc_state =
-		to_intel_crtc_state(crtc->base.state);
-	struct intel_encoder *encoder;
-
-	seq_printf(m, "[CRTC:%d:%s]:\n",
-		   crtc->base.base.id, crtc->base.name);
-
-	seq_printf(m, "\tuapi: enable=%s, active=%s, mode=" DRM_MODE_FMT "\n",
-		   yesno(crtc_state->uapi.enable),
-		   yesno(crtc_state->uapi.active),
-		   DRM_MODE_ARG(&crtc_state->uapi.mode));
-
-	if (crtc_state->hw.enable) {
-		seq_printf(m, "\thw: active=%s, adjusted_mode=" DRM_MODE_FMT "\n",
-			   yesno(crtc_state->hw.active),
-			   DRM_MODE_ARG(&crtc_state->hw.adjusted_mode));
-
-		seq_printf(m, "\tpipe src size=%dx%d, dither=%s, bpp=%d\n",
-			   crtc_state->pipe_src_w, crtc_state->pipe_src_h,
-			   yesno(crtc_state->dither), crtc_state->pipe_bpp);
-
-		intel_scaler_info(m, crtc);
-	}
-
-	for_each_intel_encoder_mask(&dev_priv->drm, encoder,
-				    crtc_state->uapi.encoder_mask)
-		intel_encoder_info(m, crtc, encoder);
-
-	intel_plane_info(m, crtc);
-
-	seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s\n",
-		   yesno(!crtc->cpu_fifo_underrun_disabled),
-		   yesno(!crtc->pch_fifo_underrun_disabled));
-}
-
-static int i915_display_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_crtc *crtc;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-	intel_wakeref_t wakeref;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	drm_modeset_lock_all(dev);
-
-	seq_printf(m, "CRTC info\n");
-	seq_printf(m, "---------\n");
-	for_each_intel_crtc(dev, crtc)
-		intel_crtc_info(m, crtc);
-
-	seq_printf(m, "\n");
-	seq_printf(m, "Connector info\n");
-	seq_printf(m, "--------------\n");
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter)
-		intel_connector_info(m, connector);
-	drm_connector_list_iter_end(&conn_iter);
-
-	drm_modeset_unlock_all(dev);
-
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
-static int i915_engine_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct intel_engine_cs *engine;
-	intel_wakeref_t wakeref;
-	struct drm_printer p;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	seq_printf(m, "GT awake? %s [%d]\n",
-		   yesno(dev_priv->gt.awake),
-		   atomic_read(&dev_priv->gt.wakeref.count));
-	seq_printf(m, "CS timestamp frequency: %u kHz\n",
-		   RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_khz);
-
-	p = drm_seq_file_printer(m);
-	for_each_uabi_engine(engine, dev_priv)
-		intel_engine_dump(engine, &p, "%s\n", engine->name);
-
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
-static int i915_rcs_topology(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_printer p = drm_seq_file_printer(m);
-
-	intel_device_info_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
-
-	return 0;
-}
-
-static int i915_shrinker_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *i915 = node_to_i915(m->private);
-
-	seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks);
-	seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch);
-
-	return 0;
-}
-
-static int i915_shared_dplls_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	int i;
-
-	drm_modeset_lock_all(dev);
-	for (i = 0; i < dev_priv->num_shared_dpll; i++) {
-		struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
-
-		seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
-			   pll->info->id);
-		seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
-			   pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
-		seq_printf(m, " tracked hardware state:\n");
-		seq_printf(m, " dpll:    0x%08x\n", pll->state.hw_state.dpll);
-		seq_printf(m, " dpll_md: 0x%08x\n",
-			   pll->state.hw_state.dpll_md);
-		seq_printf(m, " fp0:     0x%08x\n", pll->state.hw_state.fp0);
-		seq_printf(m, " fp1:     0x%08x\n", pll->state.hw_state.fp1);
-		seq_printf(m, " wrpll:   0x%08x\n", pll->state.hw_state.wrpll);
-		seq_printf(m, " cfgcr0:  0x%08x\n", pll->state.hw_state.cfgcr0);
-		seq_printf(m, " cfgcr1:  0x%08x\n", pll->state.hw_state.cfgcr1);
-		seq_printf(m, " mg_refclkin_ctl:        0x%08x\n",
-			   pll->state.hw_state.mg_refclkin_ctl);
-		seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
-			   pll->state.hw_state.mg_clktop2_coreclkctl1);
-		seq_printf(m, " mg_clktop2_hsclkctl:    0x%08x\n",
-			   pll->state.hw_state.mg_clktop2_hsclkctl);
-		seq_printf(m, " mg_pll_div0:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_div0);
-		seq_printf(m, " mg_pll_div1:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_div1);
-		seq_printf(m, " mg_pll_lf:    0x%08x\n",
-			   pll->state.hw_state.mg_pll_lf);
-		seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
-			   pll->state.hw_state.mg_pll_frac_lock);
-		seq_printf(m, " mg_pll_ssc:   0x%08x\n",
-			   pll->state.hw_state.mg_pll_ssc);
-		seq_printf(m, " mg_pll_bias:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_bias);
-		seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
-			   pll->state.hw_state.mg_pll_tdc_coldst_bias);
-	}
-	drm_modeset_unlock_all(dev);
-
-	return 0;
-}
-
-static int i915_wa_registers(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *i915 = node_to_i915(m->private);
-	struct intel_engine_cs *engine;
-
-	for_each_uabi_engine(engine, i915) {
-		const struct i915_wa_list *wal = &engine->ctx_wa_list;
-		const struct i915_wa *wa;
-		unsigned int count;
-
-		count = wal->count;
-		if (!count)
-			continue;
-
-		seq_printf(m, "%s: Workarounds applied: %u\n",
-			   engine->name, count);
-
-		for (wa = wal->list; count--; wa++)
-			seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
-				   i915_mmio_reg_offset(wa->reg),
-				   wa->set, wa->clr);
-
-		seq_printf(m, "\n");
-	}
-
-	return 0;
-}
-
-static int i915_ipc_status_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-
-	seq_printf(m, "Isochronous Priority Control: %s\n",
-			yesno(dev_priv->ipc_enabled));
-	return 0;
-}
-
-static int i915_ipc_status_open(struct inode *inode, struct file *file)
-{
-	struct drm_i915_private *dev_priv = inode->i_private;
-
-	if (!HAS_IPC(dev_priv))
-		return -ENODEV;
-
-	return single_open(file, i915_ipc_status_show, dev_priv);
-}
-
-static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
-				     size_t len, loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	intel_wakeref_t wakeref;
-	bool enable;
-	int ret;
-
-	ret = kstrtobool_from_user(ubuf, len, &enable);
-	if (ret < 0)
-		return ret;
-
-	with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
-		if (!dev_priv->ipc_enabled && enable)
-			drm_info(&dev_priv->drm,
-				 "Enabling IPC: WM will be proper only after next commit\n");
-		dev_priv->wm.distrust_bios_wm = true;
-		dev_priv->ipc_enabled = enable;
-		intel_enable_ipc(dev_priv);
-	}
-
-	return len;
-}
-
-static const struct file_operations i915_ipc_status_fops = {
-	.owner = THIS_MODULE,
-	.open = i915_ipc_status_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = i915_ipc_status_write
-};
-
-static int i915_ddb_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	struct skl_ddb_entry *entry;
-	struct intel_crtc *crtc;
-
-	if (INTEL_GEN(dev_priv) < 9)
-		return -ENODEV;
-
-	drm_modeset_lock_all(dev);
-
-	seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
-
-	for_each_intel_crtc(&dev_priv->drm, crtc) {
-		struct intel_crtc_state *crtc_state =
-			to_intel_crtc_state(crtc->base.state);
-		enum pipe pipe = crtc->pipe;
-		enum plane_id plane_id;
-
-		seq_printf(m, "Pipe %c\n", pipe_name(pipe));
-
-		for_each_plane_id_on_crtc(crtc, plane_id) {
-			entry = &crtc_state->wm.skl.plane_ddb_y[plane_id];
-			seq_printf(m, "  Plane%-8d%8u%8u%8u\n", plane_id + 1,
-				   entry->start, entry->end,
-				   skl_ddb_entry_size(entry));
-		}
-
-		entry = &crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR];
-		seq_printf(m, "  %-13s%8u%8u%8u\n", "Cursor", entry->start,
-			   entry->end, skl_ddb_entry_size(entry));
-	}
-
-	drm_modeset_unlock_all(dev);
-
-	return 0;
-}
-
-static void drrs_status_per_crtc(struct seq_file *m,
-				 struct drm_device *dev,
-				 struct intel_crtc *intel_crtc)
-{
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct i915_drrs *drrs = &dev_priv->drrs;
-	int vrefresh = 0;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		if (connector->state->crtc != &intel_crtc->base)
-			continue;
-
-		seq_printf(m, "%s:\n", connector->name);
-	}
-	drm_connector_list_iter_end(&conn_iter);
-
-	seq_puts(m, "\n");
-
-	if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
-		struct intel_panel *panel;
-
-		mutex_lock(&drrs->mutex);
-		/* DRRS Supported */
-		seq_puts(m, "\tDRRS Supported: Yes\n");
-
-		/* disable_drrs() will make drrs->dp NULL */
-		if (!drrs->dp) {
-			seq_puts(m, "Idleness DRRS: Disabled\n");
-			if (dev_priv->psr.enabled)
-				seq_puts(m,
-				"\tAs PSR is enabled, DRRS is not enabled\n");
-			mutex_unlock(&drrs->mutex);
-			return;
-		}
-
-		panel = &drrs->dp->attached_connector->panel;
-		seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
-					drrs->busy_frontbuffer_bits);
-
-		seq_puts(m, "\n\t\t");
-		if (drrs->refresh_rate_type == DRRS_HIGH_RR) {
-			seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n");
-			vrefresh = panel->fixed_mode->vrefresh;
-		} else if (drrs->refresh_rate_type == DRRS_LOW_RR) {
-			seq_puts(m, "DRRS_State: DRRS_LOW_RR\n");
-			vrefresh = panel->downclock_mode->vrefresh;
-		} else {
-			seq_printf(m, "DRRS_State: Unknown(%d)\n",
-						drrs->refresh_rate_type);
-			mutex_unlock(&drrs->mutex);
-			return;
-		}
-		seq_printf(m, "\t\tVrefresh: %d", vrefresh);
-
-		seq_puts(m, "\n\t\t");
-		mutex_unlock(&drrs->mutex);
-	} else {
-		/* DRRS not supported. Print the VBT parameter*/
-		seq_puts(m, "\tDRRS Supported : No");
-	}
-	seq_puts(m, "\n");
-}
-
-static int i915_drrs_status(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_crtc *intel_crtc;
-	int active_crtc_cnt = 0;
-
-	drm_modeset_lock_all(dev);
-	for_each_intel_crtc(dev, intel_crtc) {
-		if (intel_crtc->base.state->active) {
-			active_crtc_cnt++;
-			seq_printf(m, "\nCRTC %d:  ", active_crtc_cnt);
-
-			drrs_status_per_crtc(m, dev, intel_crtc);
-		}
-	}
-	drm_modeset_unlock_all(dev);
-
-	if (!active_crtc_cnt)
-		seq_puts(m, "No active crtc found\n");
-
-	return 0;
-}
-
-static int i915_dp_mst_info(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_encoder *intel_encoder;
-	struct intel_digital_port *intel_dig_port;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
-			continue;
-
-		intel_encoder = intel_attached_encoder(to_intel_connector(connector));
-		if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
-			continue;
-
-		intel_dig_port = enc_to_dig_port(intel_encoder);
-		if (!intel_dig_port->dp.can_mst)
-			continue;
-
-		seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
-			   intel_dig_port->base.base.base.id,
-			   intel_dig_port->base.base.name);
-		drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
-	}
-	drm_connector_list_iter_end(&conn_iter);
-
-	return 0;
-}
-
-static ssize_t i915_displayport_test_active_write(struct file *file,
-						  const char __user *ubuf,
-						  size_t len, loff_t *offp)
-{
-	char *input_buffer;
-	int status = 0;
-	struct drm_device *dev;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-	struct intel_dp *intel_dp;
-	int val = 0;
-
-	dev = ((struct seq_file *)file->private_data)->private;
-
-	if (len == 0)
-		return 0;
-
-	input_buffer = memdup_user_nul(ubuf, len);
-	if (IS_ERR(input_buffer))
-		return PTR_ERR(input_buffer);
-
-	drm_dbg(&to_i915(dev)->drm,
-		"Copied %d bytes from user\n", (unsigned int)len);
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		struct intel_encoder *encoder;
-
-		if (connector->connector_type !=
-		    DRM_MODE_CONNECTOR_DisplayPort)
-			continue;
-
-		encoder = to_intel_encoder(connector->encoder);
-		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
-			continue;
-
-		if (encoder && connector->status == connector_status_connected) {
-			intel_dp = enc_to_intel_dp(encoder);
-			status = kstrtoint(input_buffer, 10, &val);
-			if (status < 0)
-				break;
-			drm_dbg(&to_i915(dev)->drm,
-				"Got %d for test active\n", val);
-			/* To prevent erroneous activation of the compliance
-			 * testing code, only accept an actual value of 1 here
-			 */
-			if (val == 1)
-				intel_dp->compliance.test_active = true;
-			else
-				intel_dp->compliance.test_active = false;
-		}
-	}
-	drm_connector_list_iter_end(&conn_iter);
-	kfree(input_buffer);
-	if (status < 0)
-		return status;
-
-	*offp += len;
-	return len;
-}
-
-static int i915_displayport_test_active_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	struct drm_device *dev = &dev_priv->drm;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-	struct intel_dp *intel_dp;
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		struct intel_encoder *encoder;
-
-		if (connector->connector_type !=
-		    DRM_MODE_CONNECTOR_DisplayPort)
-			continue;
-
-		encoder = to_intel_encoder(connector->encoder);
-		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
-			continue;
-
-		if (encoder && connector->status == connector_status_connected) {
-			intel_dp = enc_to_intel_dp(encoder);
-			if (intel_dp->compliance.test_active)
-				seq_puts(m, "1");
-			else
-				seq_puts(m, "0");
-		} else
-			seq_puts(m, "0");
-	}
-	drm_connector_list_iter_end(&conn_iter);
-
-	return 0;
-}
-
-static int i915_displayport_test_active_open(struct inode *inode,
-					     struct file *file)
-{
-	return single_open(file, i915_displayport_test_active_show,
-			   inode->i_private);
-}
-
-static const struct file_operations i915_displayport_test_active_fops = {
-	.owner = THIS_MODULE,
-	.open = i915_displayport_test_active_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = i915_displayport_test_active_write
-};
-
-static int i915_displayport_test_data_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	struct drm_device *dev = &dev_priv->drm;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-	struct intel_dp *intel_dp;
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		struct intel_encoder *encoder;
-
-		if (connector->connector_type !=
-		    DRM_MODE_CONNECTOR_DisplayPort)
-			continue;
-
-		encoder = to_intel_encoder(connector->encoder);
-		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
-			continue;
-
-		if (encoder && connector->status == connector_status_connected) {
-			intel_dp = enc_to_intel_dp(encoder);
-			if (intel_dp->compliance.test_type ==
-			    DP_TEST_LINK_EDID_READ)
-				seq_printf(m, "%lx",
-					   intel_dp->compliance.test_data.edid);
-			else if (intel_dp->compliance.test_type ==
-				 DP_TEST_LINK_VIDEO_PATTERN) {
-				seq_printf(m, "hdisplay: %d\n",
-					   intel_dp->compliance.test_data.hdisplay);
-				seq_printf(m, "vdisplay: %d\n",
-					   intel_dp->compliance.test_data.vdisplay);
-				seq_printf(m, "bpc: %u\n",
-					   intel_dp->compliance.test_data.bpc);
-			}
-		} else
-			seq_puts(m, "0");
-	}
-	drm_connector_list_iter_end(&conn_iter);
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
-
-static int i915_displayport_test_type_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	struct drm_device *dev = &dev_priv->drm;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter conn_iter;
-	struct intel_dp *intel_dp;
-
-	drm_connector_list_iter_begin(dev, &conn_iter);
-	drm_for_each_connector_iter(connector, &conn_iter) {
-		struct intel_encoder *encoder;
-
-		if (connector->connector_type !=
-		    DRM_MODE_CONNECTOR_DisplayPort)
-			continue;
-
-		encoder = to_intel_encoder(connector->encoder);
-		if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
-			continue;
-
-		if (encoder && connector->status == connector_status_connected) {
-			intel_dp = enc_to_intel_dp(encoder);
-			seq_printf(m, "%02lx", intel_dp->compliance.test_type);
-		} else
-			seq_puts(m, "0");
-	}
-	drm_connector_list_iter_end(&conn_iter);
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
-
-static void wm_latency_show(struct seq_file *m, const u16 wm[8])
-{
-	struct drm_i915_private *dev_priv = m->private;
-	struct drm_device *dev = &dev_priv->drm;
-	int level;
-	int num_levels;
-
-	if (IS_CHERRYVIEW(dev_priv))
-		num_levels = 3;
-	else if (IS_VALLEYVIEW(dev_priv))
-		num_levels = 1;
-	else if (IS_G4X(dev_priv))
-		num_levels = 3;
-	else
-		num_levels = ilk_wm_max_level(dev_priv) + 1;
-
-	drm_modeset_lock_all(dev);
-
-	for (level = 0; level < num_levels; level++) {
-		unsigned int latency = wm[level];
-
-		/*
-		 * - WM1+ latency values in 0.5us units
-		 * - latencies are in us on gen9/vlv/chv
-		 */
-		if (INTEL_GEN(dev_priv) >= 9 ||
-		    IS_VALLEYVIEW(dev_priv) ||
-		    IS_CHERRYVIEW(dev_priv) ||
-		    IS_G4X(dev_priv))
-			latency *= 10;
-		else if (level > 0)
-			latency *= 5;
-
-		seq_printf(m, "WM%d %u (%u.%u usec)\n",
-			   level, wm[level], latency / 10, latency % 10);
-	}
-
-	drm_modeset_unlock_all(dev);
-}
-
-static int pri_wm_latency_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	const u16 *latencies;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.pri_latency;
-
-	wm_latency_show(m, latencies);
-
-	return 0;
-}
-
-static int spr_wm_latency_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	const u16 *latencies;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.spr_latency;
-
-	wm_latency_show(m, latencies);
-
-	return 0;
-}
-
-static int cur_wm_latency_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	const u16 *latencies;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.cur_latency;
-
-	wm_latency_show(m, latencies);
-
-	return 0;
-}
-
-static int pri_wm_latency_open(struct inode *inode, struct file *file)
-{
-	struct drm_i915_private *dev_priv = inode->i_private;
-
-	if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
-		return -ENODEV;
-
-	return single_open(file, pri_wm_latency_show, dev_priv);
-}
-
-static int spr_wm_latency_open(struct inode *inode, struct file *file)
-{
-	struct drm_i915_private *dev_priv = inode->i_private;
-
-	if (HAS_GMCH(dev_priv))
-		return -ENODEV;
-
-	return single_open(file, spr_wm_latency_show, dev_priv);
-}
-
-static int cur_wm_latency_open(struct inode *inode, struct file *file)
-{
-	struct drm_i915_private *dev_priv = inode->i_private;
-
-	if (HAS_GMCH(dev_priv))
-		return -ENODEV;
-
-	return single_open(file, cur_wm_latency_show, dev_priv);
-}
-
-static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
-				size_t len, loff_t *offp, u16 wm[8])
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	struct drm_device *dev = &dev_priv->drm;
-	u16 new[8] = { 0 };
-	int num_levels;
-	int level;
-	int ret;
-	char tmp[32];
-
-	if (IS_CHERRYVIEW(dev_priv))
-		num_levels = 3;
-	else if (IS_VALLEYVIEW(dev_priv))
-		num_levels = 1;
-	else if (IS_G4X(dev_priv))
-		num_levels = 3;
-	else
-		num_levels = ilk_wm_max_level(dev_priv) + 1;
-
-	if (len >= sizeof(tmp))
-		return -EINVAL;
-
-	if (copy_from_user(tmp, ubuf, len))
-		return -EFAULT;
-
-	tmp[len] = '\0';
-
-	ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
-		     &new[0], &new[1], &new[2], &new[3],
-		     &new[4], &new[5], &new[6], &new[7]);
-	if (ret != num_levels)
-		return -EINVAL;
-
-	drm_modeset_lock_all(dev);
-
-	for (level = 0; level < num_levels; level++)
-		wm[level] = new[level];
-
-	drm_modeset_unlock_all(dev);
-
-	return len;
-}
-
-
-static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
-				    size_t len, loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	u16 *latencies;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.pri_latency;
-
-	return wm_latency_write(file, ubuf, len, offp, latencies);
-}
-
-static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
-				    size_t len, loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	u16 *latencies;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.spr_latency;
+		count = wal->count;
+		if (!count)
+			continue;
 
-	return wm_latency_write(file, ubuf, len, offp, latencies);
-}
+		seq_printf(m, "%s: Workarounds applied: %u\n",
+			   engine->name, count);
 
-static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
-				    size_t len, loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	u16 *latencies;
+		for (wa = wal->list; count--; wa++)
+			seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
+				   i915_mmio_reg_offset(wa->reg),
+				   wa->set, wa->clr);
 
-	if (INTEL_GEN(dev_priv) >= 9)
-		latencies = dev_priv->wm.skl_latency;
-	else
-		latencies = dev_priv->wm.cur_latency;
+		seq_printf(m, "\n");
+	}
 
-	return wm_latency_write(file, ubuf, len, offp, latencies);
+	return 0;
 }
 
-static const struct file_operations i915_pri_wm_latency_fops = {
-	.owner = THIS_MODULE,
-	.open = pri_wm_latency_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = pri_wm_latency_write
-};
-
-static const struct file_operations i915_spr_wm_latency_fops = {
-	.owner = THIS_MODULE,
-	.open = spr_wm_latency_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = spr_wm_latency_write
-};
-
-static const struct file_operations i915_cur_wm_latency_fops = {
-	.owner = THIS_MODULE,
-	.open = cur_wm_latency_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = cur_wm_latency_write
-};
-
 static int
 i915_wedged_get(void *data, u64 *val)
 {
@@ -3920,295 +2347,6 @@ static const struct file_operations i915_forcewake_fops = {
 	.release = i915_forcewake_release,
 };
 
-static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-	struct i915_hotplug *hotplug = &dev_priv->hotplug;
-
-	/* Synchronize with everything first in case there's been an HPD
-	 * storm, but we haven't finished handling it in the kernel yet
-	 */
-	intel_synchronize_irq(dev_priv);
-	flush_work(&dev_priv->hotplug.dig_port_work);
-	flush_delayed_work(&dev_priv->hotplug.hotplug_work);
-
-	seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
-	seq_printf(m, "Detected: %s\n",
-		   yesno(delayed_work_pending(&hotplug->reenable_work)));
-
-	return 0;
-}
-
-static ssize_t i915_hpd_storm_ctl_write(struct file *file,
-					const char __user *ubuf, size_t len,
-					loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	struct i915_hotplug *hotplug = &dev_priv->hotplug;
-	unsigned int new_threshold;
-	int i;
-	char *newline;
-	char tmp[16];
-
-	if (len >= sizeof(tmp))
-		return -EINVAL;
-
-	if (copy_from_user(tmp, ubuf, len))
-		return -EFAULT;
-
-	tmp[len] = '\0';
-
-	/* Strip newline, if any */
-	newline = strchr(tmp, '\n');
-	if (newline)
-		*newline = '\0';
-
-	if (strcmp(tmp, "reset") == 0)
-		new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
-	else if (kstrtouint(tmp, 10, &new_threshold) != 0)
-		return -EINVAL;
-
-	if (new_threshold > 0)
-		drm_dbg_kms(&dev_priv->drm,
-			    "Setting HPD storm detection threshold to %d\n",
-			    new_threshold);
-	else
-		drm_dbg_kms(&dev_priv->drm, "Disabling HPD storm detection\n");
-
-	spin_lock_irq(&dev_priv->irq_lock);
-	hotplug->hpd_storm_threshold = new_threshold;
-	/* Reset the HPD storm stats so we don't accidentally trigger a storm */
-	for_each_hpd_pin(i)
-		hotplug->stats[i].count = 0;
-	spin_unlock_irq(&dev_priv->irq_lock);
-
-	/* Re-enable hpd immediately if we were in an irq storm */
-	flush_delayed_work(&dev_priv->hotplug.reenable_work);
-
-	return len;
-}
-
-static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
-}
-
-static const struct file_operations i915_hpd_storm_ctl_fops = {
-	.owner = THIS_MODULE,
-	.open = i915_hpd_storm_ctl_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = i915_hpd_storm_ctl_write
-};
-
-static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
-{
-	struct drm_i915_private *dev_priv = m->private;
-
-	seq_printf(m, "Enabled: %s\n",
-		   yesno(dev_priv->hotplug.hpd_short_storm_enabled));
-
-	return 0;
-}
-
-static int
-i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, i915_hpd_short_storm_ctl_show,
-			   inode->i_private);
-}
-
-static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
-					      const char __user *ubuf,
-					      size_t len, loff_t *offp)
-{
-	struct seq_file *m = file->private_data;
-	struct drm_i915_private *dev_priv = m->private;
-	struct i915_hotplug *hotplug = &dev_priv->hotplug;
-	char *newline;
-	char tmp[16];
-	int i;
-	bool new_state;
-
-	if (len >= sizeof(tmp))
-		return -EINVAL;
-
-	if (copy_from_user(tmp, ubuf, len))
-		return -EFAULT;
-
-	tmp[len] = '\0';
-
-	/* Strip newline, if any */
-	newline = strchr(tmp, '\n');
-	if (newline)
-		*newline = '\0';
-
-	/* Reset to the "default" state for this system */
-	if (strcmp(tmp, "reset") == 0)
-		new_state = !HAS_DP_MST(dev_priv);
-	else if (kstrtobool(tmp, &new_state) != 0)
-		return -EINVAL;
-
-	drm_dbg_kms(&dev_priv->drm, "%sabling HPD short storm detection\n",
-		    new_state ? "En" : "Dis");
-
-	spin_lock_irq(&dev_priv->irq_lock);
-	hotplug->hpd_short_storm_enabled = new_state;
-	/* Reset the HPD storm stats so we don't accidentally trigger a storm */
-	for_each_hpd_pin(i)
-		hotplug->stats[i].count = 0;
-	spin_unlock_irq(&dev_priv->irq_lock);
-
-	/* Re-enable hpd immediately if we were in an irq storm */
-	flush_delayed_work(&dev_priv->hotplug.reenable_work);
-
-	return len;
-}
-
-static const struct file_operations i915_hpd_short_storm_ctl_fops = {
-	.owner = THIS_MODULE,
-	.open = i915_hpd_short_storm_ctl_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = i915_hpd_short_storm_ctl_write,
-};
-
-static int i915_drrs_ctl_set(void *data, u64 val)
-{
-	struct drm_i915_private *dev_priv = data;
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_crtc *crtc;
-
-	if (INTEL_GEN(dev_priv) < 7)
-		return -ENODEV;
-
-	for_each_intel_crtc(dev, crtc) {
-		struct drm_connector_list_iter conn_iter;
-		struct intel_crtc_state *crtc_state;
-		struct drm_connector *connector;
-		struct drm_crtc_commit *commit;
-		int ret;
-
-		ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
-		if (ret)
-			return ret;
-
-		crtc_state = to_intel_crtc_state(crtc->base.state);
-
-		if (!crtc_state->hw.active ||
-		    !crtc_state->has_drrs)
-			goto out;
-
-		commit = crtc_state->uapi.commit;
-		if (commit) {
-			ret = wait_for_completion_interruptible(&commit->hw_done);
-			if (ret)
-				goto out;
-		}
-
-		drm_connector_list_iter_begin(dev, &conn_iter);
-		drm_for_each_connector_iter(connector, &conn_iter) {
-			struct intel_encoder *encoder;
-			struct intel_dp *intel_dp;
-
-			if (!(crtc_state->uapi.connector_mask &
-			      drm_connector_mask(connector)))
-				continue;
-
-			encoder = intel_attached_encoder(to_intel_connector(connector));
-			if (encoder->type != INTEL_OUTPUT_EDP)
-				continue;
-
-			drm_dbg(&dev_priv->drm,
-				"Manually %sabling DRRS. %llu\n",
-				val ? "en" : "dis", val);
-
-			intel_dp = enc_to_intel_dp(encoder);
-			if (val)
-				intel_edp_drrs_enable(intel_dp,
-						      crtc_state);
-			else
-				intel_edp_drrs_disable(intel_dp,
-						       crtc_state);
-		}
-		drm_connector_list_iter_end(&conn_iter);
-
-out:
-		drm_modeset_unlock(&crtc->base.mutex);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_drrs_ctl_fops, NULL, i915_drrs_ctl_set, "%llu\n");
-
-static ssize_t
-i915_fifo_underrun_reset_write(struct file *filp,
-			       const char __user *ubuf,
-			       size_t cnt, loff_t *ppos)
-{
-	struct drm_i915_private *dev_priv = filp->private_data;
-	struct intel_crtc *intel_crtc;
-	struct drm_device *dev = &dev_priv->drm;
-	int ret;
-	bool reset;
-
-	ret = kstrtobool_from_user(ubuf, cnt, &reset);
-	if (ret)
-		return ret;
-
-	if (!reset)
-		return cnt;
-
-	for_each_intel_crtc(dev, intel_crtc) {
-		struct drm_crtc_commit *commit;
-		struct intel_crtc_state *crtc_state;
-
-		ret = drm_modeset_lock_single_interruptible(&intel_crtc->base.mutex);
-		if (ret)
-			return ret;
-
-		crtc_state = to_intel_crtc_state(intel_crtc->base.state);
-		commit = crtc_state->uapi.commit;
-		if (commit) {
-			ret = wait_for_completion_interruptible(&commit->hw_done);
-			if (!ret)
-				ret = wait_for_completion_interruptible(&commit->flip_done);
-		}
-
-		if (!ret && crtc_state->hw.active) {
-			drm_dbg_kms(&dev_priv->drm,
-				    "Re-arming FIFO underruns on pipe %c\n",
-				    pipe_name(intel_crtc->pipe));
-
-			intel_crtc_arm_fifo_underrun(intel_crtc, crtc_state);
-		}
-
-		drm_modeset_unlock(&intel_crtc->base.mutex);
-
-		if (ret)
-			return ret;
-	}
-
-	ret = intel_fbc_reset_underrun(dev_priv);
-	if (ret)
-		return ret;
-
-	return cnt;
-}
-
-static const struct file_operations i915_fifo_underrun_reset_ops = {
-	.owner = THIS_MODULE,
-	.open = simple_open,
-	.write = i915_fifo_underrun_reset_write,
-	.llseek = default_llseek,
-};
-
 static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_capabilities", i915_capabilities, 0},
 	{"i915_gem_objects", i915_gem_object_info, 0},
@@ -4223,31 +2361,16 @@ static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_frequency_info", i915_frequency_info, 0},
 	{"i915_drpc_info", i915_drpc_info, 0},
 	{"i915_ring_freq_table", i915_ring_freq_table, 0},
-	{"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
-	{"i915_fbc_status", i915_fbc_status, 0},
-	{"i915_ips_status", i915_ips_status, 0},
-	{"i915_sr_status", i915_sr_status, 0},
-	{"i915_opregion", i915_opregion, 0},
-	{"i915_vbt", i915_vbt, 0},
-	{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
 	{"i915_context_status", i915_context_status, 0},
 	{"i915_forcewake_domains", i915_forcewake_domains, 0},
 	{"i915_swizzle_info", i915_swizzle_info, 0},
 	{"i915_llc", i915_llc, 0},
-	{"i915_edp_psr_status", i915_edp_psr_status, 0},
 	{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
-	{"i915_power_domain_info", i915_power_domain_info, 0},
-	{"i915_dmc_info", i915_dmc_info, 0},
-	{"i915_display_info", i915_display_info, 0},
 	{"i915_engine_info", i915_engine_info, 0},
 	{"i915_rcs_topology", i915_rcs_topology, 0},
 	{"i915_shrinker_info", i915_shrinker_info, 0},
-	{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
-	{"i915_dp_mst_info", i915_dp_mst_info, 0},
 	{"i915_wa_registers", i915_wa_registers, 0},
-	{"i915_ddb_info", i915_ddb_info, 0},
 	{"i915_sseu_status", i915_sseu_status, 0},
-	{"i915_drrs_status", i915_drrs_status, 0},
 	{"i915_rps_boost_info", i915_rps_boost_info, 0},
 };
 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
@@ -4264,21 +2387,8 @@ static const struct i915_debugfs_files {
 	{"i915_error_state", &i915_error_state_fops},
 	{"i915_gpu_info", &i915_gpu_info_fops},
 #endif
-	{"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
-	{"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
-	{"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
-	{"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
-	{"i915_fbc_false_color", &i915_fbc_false_color_fops},
-	{"i915_dp_test_data", &i915_displayport_test_data_fops},
-	{"i915_dp_test_type", &i915_displayport_test_type_fops},
-	{"i915_dp_test_active", &i915_displayport_test_active_fops},
 	{"i915_guc_log_level", &i915_guc_log_level_fops},
 	{"i915_guc_log_relay", &i915_guc_log_relay_fops},
-	{"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
-	{"i915_hpd_short_storm_ctl", &i915_hpd_short_storm_ctl_fops},
-	{"i915_ipc_status", &i915_ipc_status_fops},
-	{"i915_drrs_ctl", &i915_drrs_ctl_fops},
-	{"i915_edp_psr_debug", &i915_edp_psr_debug_fops}
 };
 
 int i915_debugfs_register(struct drm_i915_private *dev_priv)
@@ -4302,191 +2412,3 @@ int i915_debugfs_register(struct drm_i915_private *dev_priv)
 					I915_DEBUGFS_ENTRIES,
 					minor->debugfs_root, minor);
 }
-
-static int i915_panel_show(struct seq_file *m, void *data)
-{
-	struct drm_connector *connector = m->private;
-	struct intel_dp *intel_dp =
-		intel_attached_dp(to_intel_connector(connector));
-
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
-
-	seq_printf(m, "Panel power up delay: %d\n",
-		   intel_dp->panel_power_up_delay);
-	seq_printf(m, "Panel power down delay: %d\n",
-		   intel_dp->panel_power_down_delay);
-	seq_printf(m, "Backlight on delay: %d\n",
-		   intel_dp->backlight_on_delay);
-	seq_printf(m, "Backlight off delay: %d\n",
-		   intel_dp->backlight_off_delay);
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_panel);
-
-static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
-{
-	struct drm_connector *connector = m->private;
-	struct intel_connector *intel_connector = to_intel_connector(connector);
-
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
-
-	/* HDCP is supported by connector */
-	if (!intel_connector->hdcp.shim)
-		return -EINVAL;
-
-	seq_printf(m, "%s:%d HDCP version: ", connector->name,
-		   connector->base.id);
-	intel_hdcp_info(m, intel_connector);
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
-
-static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
-{
-	struct drm_connector *connector = m->private;
-	struct drm_device *dev = connector->dev;
-	struct drm_crtc *crtc;
-	struct intel_dp *intel_dp;
-	struct drm_modeset_acquire_ctx ctx;
-	struct intel_crtc_state *crtc_state = NULL;
-	int ret = 0;
-	bool try_again = false;
-
-	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
-
-	do {
-		try_again = false;
-		ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
-				       &ctx);
-		if (ret) {
-			if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
-				try_again = true;
-				continue;
-			}
-			break;
-		}
-		crtc = connector->state->crtc;
-		if (connector->status != connector_status_connected || !crtc) {
-			ret = -ENODEV;
-			break;
-		}
-		ret = drm_modeset_lock(&crtc->mutex, &ctx);
-		if (ret == -EDEADLK) {
-			ret = drm_modeset_backoff(&ctx);
-			if (!ret) {
-				try_again = true;
-				continue;
-			}
-			break;
-		} else if (ret) {
-			break;
-		}
-		intel_dp = intel_attached_dp(to_intel_connector(connector));
-		crtc_state = to_intel_crtc_state(crtc->state);
-		seq_printf(m, "DSC_Enabled: %s\n",
-			   yesno(crtc_state->dsc.compression_enable));
-		seq_printf(m, "DSC_Sink_Support: %s\n",
-			   yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
-		seq_printf(m, "Force_DSC_Enable: %s\n",
-			   yesno(intel_dp->force_dsc_en));
-		if (!intel_dp_is_edp(intel_dp))
-			seq_printf(m, "FEC_Sink_Support: %s\n",
-				   yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
-	} while (try_again);
-
-	drm_modeset_drop_locks(&ctx);
-	drm_modeset_acquire_fini(&ctx);
-
-	return ret;
-}
-
-static ssize_t i915_dsc_fec_support_write(struct file *file,
-					  const char __user *ubuf,
-					  size_t len, loff_t *offp)
-{
-	bool dsc_enable = false;
-	int ret;
-	struct drm_connector *connector =
-		((struct seq_file *)file->private_data)->private;
-	struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-
-	if (len == 0)
-		return 0;
-
-	drm_dbg(&i915->drm,
-		"Copied %zu bytes from user to force DSC\n", len);
-
-	ret = kstrtobool_from_user(ubuf, len, &dsc_enable);
-	if (ret < 0)
-		return ret;
-
-	drm_dbg(&i915->drm, "Got %s for DSC Enable\n",
-		(dsc_enable) ? "true" : "false");
-	intel_dp->force_dsc_en = dsc_enable;
-
-	*offp += len;
-	return len;
-}
-
-static int i915_dsc_fec_support_open(struct inode *inode,
-				     struct file *file)
-{
-	return single_open(file, i915_dsc_fec_support_show,
-			   inode->i_private);
-}
-
-static const struct file_operations i915_dsc_fec_support_fops = {
-	.owner = THIS_MODULE,
-	.open = i915_dsc_fec_support_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.write = i915_dsc_fec_support_write
-};
-
-/**
- * i915_debugfs_connector_add - add i915 specific connector debugfs files
- * @connector: pointer to a registered drm_connector
- *
- * Cleanup will be done by drm_connector_unregister() through a call to
- * drm_debugfs_connector_remove().
- *
- * Returns 0 on success, negative error codes on error.
- */
-int i915_debugfs_connector_add(struct drm_connector *connector)
-{
-	struct dentry *root = connector->debugfs_entry;
-	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-
-	/* The connector must have been registered beforehands. */
-	if (!root)
-		return -ENODEV;
-
-	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
-		debugfs_create_file("i915_panel_timings", S_IRUGO, root,
-				    connector, &i915_panel_fops);
-		debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
-				    connector, &i915_psr_sink_status_fops);
-	}
-
-	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
-	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
-		debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
-				    connector, &i915_hdcp_sink_capability_fops);
-	}
-
-	if (INTEL_GEN(dev_priv) >= 10 &&
-	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
-		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
-				    connector, &i915_dsc_fec_support_fops);
-
-	return 0;
-}

drivers/gpu/drm/i915/i915_debugfs.h

@@ -6,15 +6,17 @@
 #ifndef __I915_DEBUGFS_H__
 #define __I915_DEBUGFS_H__
 
-struct drm_i915_private;
 struct drm_connector;
+struct drm_i915_gem_object;
+struct drm_i915_private;
+struct seq_file;
 
 #ifdef CONFIG_DEBUG_FS
 int i915_debugfs_register(struct drm_i915_private *dev_priv);
-int i915_debugfs_connector_add(struct drm_connector *connector);
+void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj);
 #else
 static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) { return 0; }
-static inline int i915_debugfs_connector_add(struct drm_connector *connector) { return 0; }
+static inline void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) {}
 #endif
 
 #endif /* __I915_DEBUGFS_H__ */

drivers/gpu/drm/i915/i915_drv.c

@@ -51,6 +51,7 @@
 #include "display/intel_bw.h"
 #include "display/intel_cdclk.h"
 #include "display/intel_csr.h"
+#include "display/intel_display_debugfs.h"
 #include "display/intel_display_types.h"
 #include "display/intel_dp.h"
 #include "display/intel_fbdev.h"
@@ -1320,6 +1321,7 @@ static void i915_driver_register(struct drm_i915_private *dev_priv)
 	/* Reveal our presence to userspace */
 	if (drm_dev_register(dev, 0) == 0) {
 		i915_debugfs_register(dev_priv);
+		intel_display_debugfs_register(dev_priv);
 		i915_setup_sysfs(dev_priv);
 
 		/* Depends on sysfs having been initialized */