drm/i915: Introduce g4x_hdmi.c

Extract the g4x+ HDMI low level code to its own file,
leaving intel_hdmi.c to deal with higher level issues.

The infoframe support I decided to leave in intel_hdmi.c
since I think we need to move that as a whole to its own file.
It is after all used also for DP SDPs, so no longer HDMI
specific.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210318161015.22070-7-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/Makefile

@@ -241,6 +241,7 @@ i915-y += \
 	display/dvo_sil164.o \
 	display/dvo_tfp410.o \
 	display/g4x_dp.o \
+	display/g4x_hdmi.o \
 	display/icl_dsi.o \
 	display/intel_crt.o \
 	display/intel_ddi.o \

drivers/gpu/drm/i915/display/g4x_hdmi.c

+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ *
+ * HDMI support for G4x,ILK,SNB,IVB,VLV,CHV (HSW+ handled by the DDI code).
+ */
+
+#include "g4x_hdmi.h"
+#include "intel_audio.h"
+#include "intel_connector.h"
+#include "intel_display_types.h"
+#include "intel_dpio_phy.h"
+#include "intel_fifo_underrun.h"
+#include "intel_hdmi.h"
+#include "intel_hotplug.h"
+#include "intel_sideband.h"
+#include "intel_sdvo.h"
+
+static void intel_hdmi_prepare(struct intel_encoder *encoder,
+			       const struct intel_crtc_state *crtc_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+	u32 hdmi_val;
+
+	intel_dp_dual_mode_set_tmds_output(intel_hdmi, true);
+
+	hdmi_val = SDVO_ENCODING_HDMI;
+	if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range)
+		hdmi_val |= HDMI_COLOR_RANGE_16_235;
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+		hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH;
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+		hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH;
+
+	if (crtc_state->pipe_bpp > 24)
+		hdmi_val |= HDMI_COLOR_FORMAT_12bpc;
+	else
+		hdmi_val |= SDVO_COLOR_FORMAT_8bpc;
+
+	if (crtc_state->has_hdmi_sink)
+		hdmi_val |= HDMI_MODE_SELECT_HDMI;
+
+	if (HAS_PCH_CPT(dev_priv))
+		hdmi_val |= SDVO_PIPE_SEL_CPT(crtc->pipe);
+	else if (IS_CHERRYVIEW(dev_priv))
+		hdmi_val |= SDVO_PIPE_SEL_CHV(crtc->pipe);
+	else
+		hdmi_val |= SDVO_PIPE_SEL(crtc->pipe);
+
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, hdmi_val);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+}
+
+static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder,
+				    enum pipe *pipe)
+{
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	intel_wakeref_t wakeref;
+	bool ret;
+
+	wakeref = intel_display_power_get_if_enabled(dev_priv,
+						     encoder->power_domain);
+	if (!wakeref)
+		return false;
+
+	ret = intel_sdvo_port_enabled(dev_priv, intel_hdmi->hdmi_reg, pipe);
+
+	intel_display_power_put(dev_priv, encoder->power_domain, wakeref);
+
+	return ret;
+}
+
+static void intel_hdmi_get_config(struct intel_encoder *encoder,
+				  struct intel_crtc_state *pipe_config)
+{
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	u32 tmp, flags = 0;
+	int dotclock;
+
+	pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI);
+
+	tmp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	if (tmp & SDVO_HSYNC_ACTIVE_HIGH)
+		flags |= DRM_MODE_FLAG_PHSYNC;
+	else
+		flags |= DRM_MODE_FLAG_NHSYNC;
+
+	if (tmp & SDVO_VSYNC_ACTIVE_HIGH)
+		flags |= DRM_MODE_FLAG_PVSYNC;
+	else
+		flags |= DRM_MODE_FLAG_NVSYNC;
+
+	if (tmp & HDMI_MODE_SELECT_HDMI)
+		pipe_config->has_hdmi_sink = true;
+
+	pipe_config->infoframes.enable |=
+		intel_hdmi_infoframes_enabled(encoder, pipe_config);
+
+	if (pipe_config->infoframes.enable)
+		pipe_config->has_infoframe = true;
+
+	if (tmp & HDMI_AUDIO_ENABLE)
+		pipe_config->has_audio = true;
+
+	if (!HAS_PCH_SPLIT(dev_priv) &&
+	    tmp & HDMI_COLOR_RANGE_16_235)
+		pipe_config->limited_color_range = true;
+
+	pipe_config->hw.adjusted_mode.flags |= flags;
+
+	if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc)
+		dotclock = pipe_config->port_clock * 2 / 3;
+	else
+		dotclock = pipe_config->port_clock;
+
+	if (pipe_config->pixel_multiplier)
+		dotclock /= pipe_config->pixel_multiplier;
+
+	pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
+
+	pipe_config->lane_count = 4;
+
+	intel_hdmi_read_gcp_infoframe(encoder, pipe_config);
+
+	intel_read_infoframe(encoder, pipe_config,
+			     HDMI_INFOFRAME_TYPE_AVI,
+			     &pipe_config->infoframes.avi);
+	intel_read_infoframe(encoder, pipe_config,
+			     HDMI_INFOFRAME_TYPE_SPD,
+			     &pipe_config->infoframes.spd);
+	intel_read_infoframe(encoder, pipe_config,
+			     HDMI_INFOFRAME_TYPE_VENDOR,
+			     &pipe_config->infoframes.hdmi);
+}
+
+static void intel_enable_hdmi_audio(struct intel_encoder *encoder,
+				    const struct intel_crtc_state *pipe_config,
+				    const struct drm_connector_state *conn_state)
+{
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+
+	drm_WARN_ON(&i915->drm, !pipe_config->has_hdmi_sink);
+	drm_dbg_kms(&i915->drm, "Enabling HDMI audio on pipe %c\n",
+		    pipe_name(crtc->pipe));
+	intel_audio_codec_enable(encoder, pipe_config, conn_state);
+}
+
+static void g4x_enable_hdmi(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *pipe_config,
+			    const struct drm_connector_state *conn_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	u32 temp;
+
+	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	temp |= SDVO_ENABLE;
+	if (pipe_config->has_audio)
+		temp |= HDMI_AUDIO_ENABLE;
+
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	if (pipe_config->has_audio)
+		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
+}
+
+static void ibx_enable_hdmi(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *pipe_config,
+			    const struct drm_connector_state *conn_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	u32 temp;
+
+	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	temp |= SDVO_ENABLE;
+	if (pipe_config->has_audio)
+		temp |= HDMI_AUDIO_ENABLE;
+
+	/*
+	 * HW workaround, need to write this twice for issue
+	 * that may result in first write getting masked.
+	 */
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	/*
+	 * HW workaround, need to toggle enable bit off and on
+	 * for 12bpc with pixel repeat.
+	 *
+	 * FIXME: BSpec says this should be done at the end of
+	 * the modeset sequence, so not sure if this isn't too soon.
+	 */
+	if (pipe_config->pipe_bpp > 24 &&
+	    pipe_config->pixel_multiplier > 1) {
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg,
+			       temp & ~SDVO_ENABLE);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+		/*
+		 * HW workaround, need to write this twice for issue
+		 * that may result in first write getting masked.
+		 */
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+	}
+
+	if (pipe_config->has_audio)
+		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
+}
+
+static void cpt_enable_hdmi(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *pipe_config,
+			    const struct drm_connector_state *conn_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	enum pipe pipe = crtc->pipe;
+	u32 temp;
+
+	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	temp |= SDVO_ENABLE;
+	if (pipe_config->has_audio)
+		temp |= HDMI_AUDIO_ENABLE;
+
+	/*
+	 * WaEnableHDMI8bpcBefore12bpc:snb,ivb
+	 *
+	 * The procedure for 12bpc is as follows:
+	 * 1. disable HDMI clock gating
+	 * 2. enable HDMI with 8bpc
+	 * 3. enable HDMI with 12bpc
+	 * 4. enable HDMI clock gating
+	 */
+
+	if (pipe_config->pipe_bpp > 24) {
+		intel_de_write(dev_priv, TRANS_CHICKEN1(pipe),
+			       intel_de_read(dev_priv, TRANS_CHICKEN1(pipe)) | TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE);
+
+		temp &= ~SDVO_COLOR_FORMAT_MASK;
+		temp |= SDVO_COLOR_FORMAT_8bpc;
+	}
+
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	if (pipe_config->pipe_bpp > 24) {
+		temp &= ~SDVO_COLOR_FORMAT_MASK;
+		temp |= HDMI_COLOR_FORMAT_12bpc;
+
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+		intel_de_write(dev_priv, TRANS_CHICKEN1(pipe),
+			       intel_de_read(dev_priv, TRANS_CHICKEN1(pipe)) & ~TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE);
+	}
+
+	if (pipe_config->has_audio)
+		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
+}
+
+static void vlv_enable_hdmi(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *pipe_config,
+			    const struct drm_connector_state *conn_state)
+{
+}
+
+static void intel_disable_hdmi(struct intel_atomic_state *state,
+			       struct intel_encoder *encoder,
+			       const struct intel_crtc_state *old_crtc_state,
+			       const struct drm_connector_state *old_conn_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+	struct intel_digital_port *dig_port =
+		hdmi_to_dig_port(intel_hdmi);
+	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
+	u32 temp;
+
+	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	temp &= ~(SDVO_ENABLE | HDMI_AUDIO_ENABLE);
+	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+	/*
+	 * HW workaround for IBX, we need to move the port
+	 * to transcoder A after disabling it to allow the
+	 * matching DP port to be enabled on transcoder A.
+	 */
+	if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
+		/*
+		 * We get CPU/PCH FIFO underruns on the other pipe when
+		 * doing the workaround. Sweep them under the rug.
+		 */
+		intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
+		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
+
+		temp &= ~SDVO_PIPE_SEL_MASK;
+		temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
+		/*
+		 * HW workaround, need to write this twice for issue
+		 * that may result in first write getting masked.
+		 */
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+		temp &= ~SDVO_ENABLE;
+		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
+		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+
+		intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
+		intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
+		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
+	}
+
+	dig_port->set_infoframes(encoder,
+				       false,
+				       old_crtc_state, old_conn_state);
+
+	intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
+}
+
+static void g4x_disable_hdmi(struct intel_atomic_state *state,
+			     struct intel_encoder *encoder,
+			     const struct intel_crtc_state *old_crtc_state,
+			     const struct drm_connector_state *old_conn_state)
+{
+	if (old_crtc_state->has_audio)
+		intel_audio_codec_disable(encoder,
+					  old_crtc_state, old_conn_state);
+
+	intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
+}
+
+static void pch_disable_hdmi(struct intel_atomic_state *state,
+			     struct intel_encoder *encoder,
+			     const struct intel_crtc_state *old_crtc_state,
+			     const struct drm_connector_state *old_conn_state)
+{
+	if (old_crtc_state->has_audio)
+		intel_audio_codec_disable(encoder,
+					  old_crtc_state, old_conn_state);
+}
+
+static void pch_post_disable_hdmi(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  const struct intel_crtc_state *old_crtc_state,
+				  const struct drm_connector_state *old_conn_state)
+{
+	intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
+}
+
+static void intel_hdmi_pre_enable(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  const struct intel_crtc_state *pipe_config,
+				  const struct drm_connector_state *conn_state)
+{
+	struct intel_digital_port *dig_port =
+		enc_to_dig_port(encoder);
+
+	intel_hdmi_prepare(encoder, pipe_config);
+
+	dig_port->set_infoframes(encoder,
+				       pipe_config->has_infoframe,
+				       pipe_config, conn_state);
+}
+
+static void vlv_hdmi_pre_enable(struct intel_atomic_state *state,
+				struct intel_encoder *encoder,
+				const struct intel_crtc_state *pipe_config,
+				const struct drm_connector_state *conn_state)
+{
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
+	vlv_phy_pre_encoder_enable(encoder, pipe_config);
+
+	/* HDMI 1.0V-2dB */
+	vlv_set_phy_signal_level(encoder, pipe_config,
+				 0x2b245f5f, 0x00002000,
+				 0x5578b83a, 0x2b247878);
+
+	dig_port->set_infoframes(encoder,
+			      pipe_config->has_infoframe,
+			      pipe_config, conn_state);
+
+	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
+
+	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
+}
+
+static void vlv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
+				    struct intel_encoder *encoder,
+				    const struct intel_crtc_state *pipe_config,
+				    const struct drm_connector_state *conn_state)
+{
+	intel_hdmi_prepare(encoder, pipe_config);
+
+	vlv_phy_pre_pll_enable(encoder, pipe_config);
+}
+
+static void chv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
+				    struct intel_encoder *encoder,
+				    const struct intel_crtc_state *pipe_config,
+				    const struct drm_connector_state *conn_state)
+{
+	intel_hdmi_prepare(encoder, pipe_config);
+
+	chv_phy_pre_pll_enable(encoder, pipe_config);
+}
+
+static void chv_hdmi_post_pll_disable(struct intel_atomic_state *state,
+				      struct intel_encoder *encoder,
+				      const struct intel_crtc_state *old_crtc_state,
+				      const struct drm_connector_state *old_conn_state)
+{
+	chv_phy_post_pll_disable(encoder, old_crtc_state);
+}
+
+static void vlv_hdmi_post_disable(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  const struct intel_crtc_state *old_crtc_state,
+				  const struct drm_connector_state *old_conn_state)
+{
+	/* Reset lanes to avoid HDMI flicker (VLV w/a) */
+	vlv_phy_reset_lanes(encoder, old_crtc_state);
+}
+
+static void chv_hdmi_post_disable(struct intel_atomic_state *state,
+				  struct intel_encoder *encoder,
+				  const struct intel_crtc_state *old_crtc_state,
+				  const struct drm_connector_state *old_conn_state)
+{
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
+	vlv_dpio_get(dev_priv);
+
+	/* Assert data lane reset */
+	chv_data_lane_soft_reset(encoder, old_crtc_state, true);
+
+	vlv_dpio_put(dev_priv);
+}
+
+static void chv_hdmi_pre_enable(struct intel_atomic_state *state,
+				struct intel_encoder *encoder,
+				const struct intel_crtc_state *pipe_config,
+				const struct drm_connector_state *conn_state)
+{
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
+	chv_phy_pre_encoder_enable(encoder, pipe_config);
+
+	/* FIXME: Program the support xxx V-dB */
+	/* Use 800mV-0dB */
+	chv_set_phy_signal_level(encoder, pipe_config, 128, 102, false);
+
+	dig_port->set_infoframes(encoder,
+			      pipe_config->has_infoframe,
+			      pipe_config, conn_state);
+
+	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
+
+	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
+
+	/* Second common lane will stay alive on its own now */
+	chv_phy_release_cl2_override(encoder);
+}
+
+static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
+	.destroy = intel_encoder_destroy,
+};
+
+static enum intel_hotplug_state
+intel_hdmi_hotplug(struct intel_encoder *encoder,
+		   struct intel_connector *connector)
+{
+	enum intel_hotplug_state state;
+
+	state = intel_encoder_hotplug(encoder, connector);
+
+	/*
+	 * On many platforms the HDMI live state signal is known to be
+	 * unreliable, so we can't use it to detect if a sink is connected or
+	 * not. Instead we detect if it's connected based on whether we can
+	 * read the EDID or not. That in turn has a problem during disconnect,
+	 * since the HPD interrupt may be raised before the DDC lines get
+	 * disconnected (due to how the required length of DDC vs. HPD
+	 * connector pins are specified) and so we'll still be able to get a
+	 * valid EDID. To solve this schedule another detection cycle if this
+	 * time around we didn't detect any change in the sink's connection
+	 * status.
+	 */
+	if (state == INTEL_HOTPLUG_UNCHANGED && !connector->hotplug_retries)
+		state = INTEL_HOTPLUG_RETRY;
+
+	return state;
+}
+
+void intel_hdmi_init(struct drm_i915_private *dev_priv,
+		     i915_reg_t hdmi_reg, enum port port)
+{
+	struct intel_digital_port *dig_port;
+	struct intel_encoder *intel_encoder;
+	struct intel_connector *intel_connector;
+
+	dig_port = kzalloc(sizeof(*dig_port), GFP_KERNEL);
+	if (!dig_port)
+		return;
+
+	intel_connector = intel_connector_alloc();
+	if (!intel_connector) {
+		kfree(dig_port);
+		return;
+	}
+
+	intel_encoder = &dig_port->base;
+
+	mutex_init(&dig_port->hdcp_mutex);
+
+	drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
+			 &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,
+			 "HDMI %c", port_name(port));
+
+	intel_encoder->hotplug = intel_hdmi_hotplug;
+	intel_encoder->compute_config = intel_hdmi_compute_config;
+	if (HAS_PCH_SPLIT(dev_priv)) {
+		intel_encoder->disable = pch_disable_hdmi;
+		intel_encoder->post_disable = pch_post_disable_hdmi;
+	} else {
+		intel_encoder->disable = g4x_disable_hdmi;
+	}
+	intel_encoder->get_hw_state = intel_hdmi_get_hw_state;
+	intel_encoder->get_config = intel_hdmi_get_config;
+	if (IS_CHERRYVIEW(dev_priv)) {
+		intel_encoder->pre_pll_enable = chv_hdmi_pre_pll_enable;
+		intel_encoder->pre_enable = chv_hdmi_pre_enable;
+		intel_encoder->enable = vlv_enable_hdmi;
+		intel_encoder->post_disable = chv_hdmi_post_disable;
+		intel_encoder->post_pll_disable = chv_hdmi_post_pll_disable;
+	} else if (IS_VALLEYVIEW(dev_priv)) {
+		intel_encoder->pre_pll_enable = vlv_hdmi_pre_pll_enable;
+		intel_encoder->pre_enable = vlv_hdmi_pre_enable;
+		intel_encoder->enable = vlv_enable_hdmi;
+		intel_encoder->post_disable = vlv_hdmi_post_disable;
+	} else {
+		intel_encoder->pre_enable = intel_hdmi_pre_enable;
+		if (HAS_PCH_CPT(dev_priv))
+			intel_encoder->enable = cpt_enable_hdmi;
+		else if (HAS_PCH_IBX(dev_priv))
+			intel_encoder->enable = ibx_enable_hdmi;
+		else
+			intel_encoder->enable = g4x_enable_hdmi;
+	}
+
+	intel_encoder->type = INTEL_OUTPUT_HDMI;
+	intel_encoder->power_domain = intel_port_to_power_domain(port);
+	intel_encoder->port = port;
+	if (IS_CHERRYVIEW(dev_priv)) {
+		if (port == PORT_D)
+			intel_encoder->pipe_mask = BIT(PIPE_C);
+		else
+			intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
+	} else {
+		intel_encoder->pipe_mask = ~0;
+	}
+	intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
+	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
+	/*
+	 * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems
+	 * to work on real hardware. And since g4x can send infoframes to
+	 * only one port anyway, nothing is lost by allowing it.
+	 */
+	if (IS_G4X(dev_priv))
+		intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI;
+
+	dig_port->hdmi.hdmi_reg = hdmi_reg;
+	dig_port->dp.output_reg = INVALID_MMIO_REG;
+	dig_port->max_lanes = 4;
+
+	intel_infoframe_init(dig_port);
+
+	dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port);
+	intel_hdmi_init_connector(dig_port, intel_connector);
+}

drivers/gpu/drm/i915/display/g4x_hdmi.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef _G4X_HDMI_H_
+#define _G4X_HDMI_H_
+
+#include <linux/types.h>
+
+#include "i915_reg.h"
+
+enum port;
+struct drm_i915_private;
+
+void intel_hdmi_init(struct drm_i915_private *dev_priv,
+		     i915_reg_t hdmi_reg, enum port port);
+
+#endif

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

@@ -67,6 +67,7 @@
 #include "gt/intel_rps.h"
 
 #include "g4x_dp.h"
+#include "g4x_hdmi.h"
 #include "i915_drv.h"
 #include "intel_acpi.h"
 #include "intel_atomic.h"

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

@@ -1770,6 +1770,18 @@ intel_attached_dig_port(struct intel_connector *connector)
 	return enc_to_dig_port(intel_attached_encoder(connector));
 }
 
+static inline struct intel_hdmi *
+enc_to_intel_hdmi(struct intel_encoder *encoder)
+{
+	return &enc_to_dig_port(encoder)->hdmi;
+}
+
+static inline struct intel_hdmi *
+intel_attached_hdmi(struct intel_connector *connector)
+{
+	return enc_to_intel_hdmi(intel_attached_encoder(connector));
+}
+
 static inline struct intel_dp *enc_to_intel_dp(struct intel_encoder *encoder)
 {
 	return &enc_to_dig_port(encoder)->dp;

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

@@ -41,21 +41,15 @@
 #include "i915_debugfs.h"
 #include "i915_drv.h"
 #include "intel_atomic.h"
-#include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
-#include "intel_dpio_phy.h"
-#include "intel_fifo_underrun.h"
 #include "intel_gmbus.h"
 #include "intel_hdcp.h"
 #include "intel_hdmi.h"
-#include "intel_hotplug.h"
 #include "intel_lspcon.h"
 #include "intel_panel.h"
-#include "intel_sdvo.h"
-#include "intel_sideband.h"
 
 static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi)
 {
@@ -86,19 +80,6 @@ assert_hdmi_transcoder_func_disabled(struct drm_i915_private *dev_priv,
 		 "HDMI transcoder function enabled, expecting disabled\n");
 }
 
-struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder)
-{
-	struct intel_digital_port *dig_port =
-		container_of(&encoder->base, struct intel_digital_port,
-			     base.base);
-	return &dig_port->hdmi;
-}
-
-static struct intel_hdmi *intel_attached_hdmi(struct intel_connector *connector)
-{
-	return enc_to_intel_hdmi(intel_attached_encoder(connector));
-}
-
 static u32 g4x_infoframe_index(unsigned int type)
 {
 	switch (type) {
@@ -1789,369 +1770,6 @@ static const struct intel_hdcp_shim intel_hdmi_hdcp_shim = {
 	.protocol = HDCP_PROTOCOL_HDMI,
 };
 
-static void intel_hdmi_prepare(struct intel_encoder *encoder,
-			       const struct intel_crtc_state *crtc_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
-	u32 hdmi_val;
-
-	intel_dp_dual_mode_set_tmds_output(intel_hdmi, true);
-
-	hdmi_val = SDVO_ENCODING_HDMI;
-	if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range)
-		hdmi_val |= HDMI_COLOR_RANGE_16_235;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH;
-
-	if (crtc_state->pipe_bpp > 24)
-		hdmi_val |= HDMI_COLOR_FORMAT_12bpc;
-	else
-		hdmi_val |= SDVO_COLOR_FORMAT_8bpc;
-
-	if (crtc_state->has_hdmi_sink)
-		hdmi_val |= HDMI_MODE_SELECT_HDMI;
-
-	if (HAS_PCH_CPT(dev_priv))
-		hdmi_val |= SDVO_PIPE_SEL_CPT(crtc->pipe);
-	else if (IS_CHERRYVIEW(dev_priv))
-		hdmi_val |= SDVO_PIPE_SEL_CHV(crtc->pipe);
-	else
-		hdmi_val |= SDVO_PIPE_SEL(crtc->pipe);
-
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, hdmi_val);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-}
-
-static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder,
-				    enum pipe *pipe)
-{
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	intel_wakeref_t wakeref;
-	bool ret;
-
-	wakeref = intel_display_power_get_if_enabled(dev_priv,
-						     encoder->power_domain);
-	if (!wakeref)
-		return false;
-
-	ret = intel_sdvo_port_enabled(dev_priv, intel_hdmi->hdmi_reg, pipe);
-
-	intel_display_power_put(dev_priv, encoder->power_domain, wakeref);
-
-	return ret;
-}
-
-static void intel_hdmi_get_config(struct intel_encoder *encoder,
-				  struct intel_crtc_state *pipe_config)
-{
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	u32 tmp, flags = 0;
-	int dotclock;
-
-	pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI);
-
-	tmp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	if (tmp & SDVO_HSYNC_ACTIVE_HIGH)
-		flags |= DRM_MODE_FLAG_PHSYNC;
-	else
-		flags |= DRM_MODE_FLAG_NHSYNC;
-
-	if (tmp & SDVO_VSYNC_ACTIVE_HIGH)
-		flags |= DRM_MODE_FLAG_PVSYNC;
-	else
-		flags |= DRM_MODE_FLAG_NVSYNC;
-
-	if (tmp & HDMI_MODE_SELECT_HDMI)
-		pipe_config->has_hdmi_sink = true;
-
-	pipe_config->infoframes.enable |=
-		intel_hdmi_infoframes_enabled(encoder, pipe_config);
-
-	if (pipe_config->infoframes.enable)
-		pipe_config->has_infoframe = true;
-
-	if (tmp & HDMI_AUDIO_ENABLE)
-		pipe_config->has_audio = true;
-
-	if (!HAS_PCH_SPLIT(dev_priv) &&
-	    tmp & HDMI_COLOR_RANGE_16_235)
-		pipe_config->limited_color_range = true;
-
-	pipe_config->hw.adjusted_mode.flags |= flags;
-
-	if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc)
-		dotclock = pipe_config->port_clock * 2 / 3;
-	else
-		dotclock = pipe_config->port_clock;
-
-	if (pipe_config->pixel_multiplier)
-		dotclock /= pipe_config->pixel_multiplier;
-
-	pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
-
-	pipe_config->lane_count = 4;
-
-	intel_hdmi_read_gcp_infoframe(encoder, pipe_config);
-
-	intel_read_infoframe(encoder, pipe_config,
-			     HDMI_INFOFRAME_TYPE_AVI,
-			     &pipe_config->infoframes.avi);
-	intel_read_infoframe(encoder, pipe_config,
-			     HDMI_INFOFRAME_TYPE_SPD,
-			     &pipe_config->infoframes.spd);
-	intel_read_infoframe(encoder, pipe_config,
-			     HDMI_INFOFRAME_TYPE_VENDOR,
-			     &pipe_config->infoframes.hdmi);
-}
-
-static void intel_enable_hdmi_audio(struct intel_encoder *encoder,
-				    const struct intel_crtc_state *pipe_config,
-				    const struct drm_connector_state *conn_state)
-{
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
-	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-
-	drm_WARN_ON(&i915->drm, !pipe_config->has_hdmi_sink);
-	drm_dbg_kms(&i915->drm, "Enabling HDMI audio on pipe %c\n",
-		    pipe_name(crtc->pipe));
-	intel_audio_codec_enable(encoder, pipe_config, conn_state);
-}
-
-static void g4x_enable_hdmi(struct intel_atomic_state *state,
-			    struct intel_encoder *encoder,
-			    const struct intel_crtc_state *pipe_config,
-			    const struct drm_connector_state *conn_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	u32 temp;
-
-	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	temp |= SDVO_ENABLE;
-	if (pipe_config->has_audio)
-		temp |= HDMI_AUDIO_ENABLE;
-
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	if (pipe_config->has_audio)
-		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
-}
-
-static void ibx_enable_hdmi(struct intel_atomic_state *state,
-			    struct intel_encoder *encoder,
-			    const struct intel_crtc_state *pipe_config,
-			    const struct drm_connector_state *conn_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	u32 temp;
-
-	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	temp |= SDVO_ENABLE;
-	if (pipe_config->has_audio)
-		temp |= HDMI_AUDIO_ENABLE;
-
-	/*
-	 * HW workaround, need to write this twice for issue
-	 * that may result in first write getting masked.
-	 */
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	/*
-	 * HW workaround, need to toggle enable bit off and on
-	 * for 12bpc with pixel repeat.
-	 *
-	 * FIXME: BSpec says this should be done at the end of
-	 * of the modeset sequence, so not sure if this isn't too soon.
-	 */
-	if (pipe_config->pipe_bpp > 24 &&
-	    pipe_config->pixel_multiplier > 1) {
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg,
-		               temp & ~SDVO_ENABLE);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-		/*
-		 * HW workaround, need to write this twice for issue
-		 * that may result in first write getting masked.
-		 */
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-	}
-
-	if (pipe_config->has_audio)
-		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
-}
-
-static void cpt_enable_hdmi(struct intel_atomic_state *state,
-			    struct intel_encoder *encoder,
-			    const struct intel_crtc_state *pipe_config,
-			    const struct drm_connector_state *conn_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	enum pipe pipe = crtc->pipe;
-	u32 temp;
-
-	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	temp |= SDVO_ENABLE;
-	if (pipe_config->has_audio)
-		temp |= HDMI_AUDIO_ENABLE;
-
-	/*
-	 * WaEnableHDMI8bpcBefore12bpc:snb,ivb
-	 *
-	 * The procedure for 12bpc is as follows:
-	 * 1. disable HDMI clock gating
-	 * 2. enable HDMI with 8bpc
-	 * 3. enable HDMI with 12bpc
-	 * 4. enable HDMI clock gating
-	 */
-
-	if (pipe_config->pipe_bpp > 24) {
-		intel_de_write(dev_priv, TRANS_CHICKEN1(pipe),
-		               intel_de_read(dev_priv, TRANS_CHICKEN1(pipe)) | TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE);
-
-		temp &= ~SDVO_COLOR_FORMAT_MASK;
-		temp |= SDVO_COLOR_FORMAT_8bpc;
-	}
-
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	if (pipe_config->pipe_bpp > 24) {
-		temp &= ~SDVO_COLOR_FORMAT_MASK;
-		temp |= HDMI_COLOR_FORMAT_12bpc;
-
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-		intel_de_write(dev_priv, TRANS_CHICKEN1(pipe),
-		               intel_de_read(dev_priv, TRANS_CHICKEN1(pipe)) & ~TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE);
-	}
-
-	if (pipe_config->has_audio)
-		intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
-}
-
-static void vlv_enable_hdmi(struct intel_atomic_state *state,
-			    struct intel_encoder *encoder,
-			    const struct intel_crtc_state *pipe_config,
-			    const struct drm_connector_state *conn_state)
-{
-}
-
-static void intel_disable_hdmi(struct intel_atomic_state *state,
-			       struct intel_encoder *encoder,
-			       const struct intel_crtc_state *old_crtc_state,
-			       const struct drm_connector_state *old_conn_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
-	struct intel_digital_port *dig_port =
-		hdmi_to_dig_port(intel_hdmi);
-	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
-	u32 temp;
-
-	temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	temp &= ~(SDVO_ENABLE | HDMI_AUDIO_ENABLE);
-	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-	/*
-	 * HW workaround for IBX, we need to move the port
-	 * to transcoder A after disabling it to allow the
-	 * matching DP port to be enabled on transcoder A.
-	 */
-	if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
-		/*
-		 * We get CPU/PCH FIFO underruns on the other pipe when
-		 * doing the workaround. Sweep them under the rug.
-		 */
-		intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
-		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
-
-		temp &= ~SDVO_PIPE_SEL_MASK;
-		temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
-		/*
-		 * HW workaround, need to write this twice for issue
-		 * that may result in first write getting masked.
-		 */
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-		temp &= ~SDVO_ENABLE;
-		intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
-		intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
-
-		intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
-		intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
-		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
-	}
-
-	dig_port->set_infoframes(encoder,
-				       false,
-				       old_crtc_state, old_conn_state);
-
-	intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
-}
-
-static void g4x_disable_hdmi(struct intel_atomic_state *state,
-			     struct intel_encoder *encoder,
-			     const struct intel_crtc_state *old_crtc_state,
-			     const struct drm_connector_state *old_conn_state)
-{
-	if (old_crtc_state->has_audio)
-		intel_audio_codec_disable(encoder,
-					  old_crtc_state, old_conn_state);
-
-	intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
-}
-
-static void pch_disable_hdmi(struct intel_atomic_state *state,
-			     struct intel_encoder *encoder,
-			     const struct intel_crtc_state *old_crtc_state,
-			     const struct drm_connector_state *old_conn_state)
-{
-	if (old_crtc_state->has_audio)
-		intel_audio_codec_disable(encoder,
-					  old_crtc_state, old_conn_state);
-}
-
-static void pch_post_disable_hdmi(struct intel_atomic_state *state,
-				  struct intel_encoder *encoder,
-				  const struct intel_crtc_state *old_crtc_state,
-				  const struct drm_connector_state *old_conn_state)
-{
-	intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
-}
-
 static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -2756,125 +2374,6 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
 	return intel_connector_update_modes(connector, edid);
 }
 
-static void intel_hdmi_pre_enable(struct intel_atomic_state *state,
-				  struct intel_encoder *encoder,
-				  const struct intel_crtc_state *pipe_config,
-				  const struct drm_connector_state *conn_state)
-{
-	struct intel_digital_port *dig_port =
-		enc_to_dig_port(encoder);
-
-	intel_hdmi_prepare(encoder, pipe_config);
-
-	dig_port->set_infoframes(encoder,
-				       pipe_config->has_infoframe,
-				       pipe_config, conn_state);
-}
-
-static void vlv_hdmi_pre_enable(struct intel_atomic_state *state,
-				struct intel_encoder *encoder,
-				const struct intel_crtc_state *pipe_config,
-				const struct drm_connector_state *conn_state)
-{
-	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
-	vlv_phy_pre_encoder_enable(encoder, pipe_config);
-
-	/* HDMI 1.0V-2dB */
-	vlv_set_phy_signal_level(encoder, pipe_config,
-				 0x2b245f5f, 0x00002000,
-				 0x5578b83a, 0x2b247878);
-
-	dig_port->set_infoframes(encoder,
-			      pipe_config->has_infoframe,
-			      pipe_config, conn_state);
-
-	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
-
-	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
-}
-
-static void vlv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
-				    struct intel_encoder *encoder,
-				    const struct intel_crtc_state *pipe_config,
-				    const struct drm_connector_state *conn_state)
-{
-	intel_hdmi_prepare(encoder, pipe_config);
-
-	vlv_phy_pre_pll_enable(encoder, pipe_config);
-}
-
-static void chv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
-				    struct intel_encoder *encoder,
-				    const struct intel_crtc_state *pipe_config,
-				    const struct drm_connector_state *conn_state)
-{
-	intel_hdmi_prepare(encoder, pipe_config);
-
-	chv_phy_pre_pll_enable(encoder, pipe_config);
-}
-
-static void chv_hdmi_post_pll_disable(struct intel_atomic_state *state,
-				      struct intel_encoder *encoder,
-				      const struct intel_crtc_state *old_crtc_state,
-				      const struct drm_connector_state *old_conn_state)
-{
-	chv_phy_post_pll_disable(encoder, old_crtc_state);
-}
-
-static void vlv_hdmi_post_disable(struct intel_atomic_state *state,
-				  struct intel_encoder *encoder,
-				  const struct intel_crtc_state *old_crtc_state,
-				  const struct drm_connector_state *old_conn_state)
-{
-	/* Reset lanes to avoid HDMI flicker (VLV w/a) */
-	vlv_phy_reset_lanes(encoder, old_crtc_state);
-}
-
-static void chv_hdmi_post_disable(struct intel_atomic_state *state,
-				  struct intel_encoder *encoder,
-				  const struct intel_crtc_state *old_crtc_state,
-				  const struct drm_connector_state *old_conn_state)
-{
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-
-	vlv_dpio_get(dev_priv);
-
-	/* Assert data lane reset */
-	chv_data_lane_soft_reset(encoder, old_crtc_state, true);
-
-	vlv_dpio_put(dev_priv);
-}
-
-static void chv_hdmi_pre_enable(struct intel_atomic_state *state,
-				struct intel_encoder *encoder,
-				const struct intel_crtc_state *pipe_config,
-				const struct drm_connector_state *conn_state)
-{
-	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-
-	chv_phy_pre_encoder_enable(encoder, pipe_config);
-
-	/* FIXME: Program the support xxx V-dB */
-	/* Use 800mV-0dB */
-	chv_set_phy_signal_level(encoder, pipe_config, 128, 102, false);
-
-	dig_port->set_infoframes(encoder,
-			      pipe_config->has_infoframe,
-			      pipe_config, conn_state);
-
-	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
-
-	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
-
-	/* Second common lane will stay alive on its own now */
-	chv_phy_release_cl2_override(encoder);
-}
-
 static struct i2c_adapter *
 intel_hdmi_get_i2c_adapter(struct drm_connector *connector)
 {
@@ -2949,10 +2448,6 @@ static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs
 	.atomic_check = intel_digital_connector_atomic_check,
 };
 
-static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
-	.destroy = intel_encoder_destroy,
-};
-
 static void
 intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector)
 {
@@ -3362,119 +2857,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
 		drm_dbg_kms(&dev_priv->drm, "CEC notifier get failed\n");
 }
 
-static enum intel_hotplug_state
-intel_hdmi_hotplug(struct intel_encoder *encoder,
-		   struct intel_connector *connector)
-{
-	enum intel_hotplug_state state;
-
-	state = intel_encoder_hotplug(encoder, connector);
-
-	/*
-	 * On many platforms the HDMI live state signal is known to be
-	 * unreliable, so we can't use it to detect if a sink is connected or
-	 * not. Instead we detect if it's connected based on whether we can
-	 * read the EDID or not. That in turn has a problem during disconnect,
-	 * since the HPD interrupt may be raised before the DDC lines get
-	 * disconnected (due to how the required length of DDC vs. HPD
-	 * connector pins are specified) and so we'll still be able to get a
-	 * valid EDID. To solve this schedule another detection cycle if this
-	 * time around we didn't detect any change in the sink's connection
-	 * status.
-	 */
-	if (state == INTEL_HOTPLUG_UNCHANGED && !connector->hotplug_retries)
-		state = INTEL_HOTPLUG_RETRY;
-
-	return state;
-}
-
-void intel_hdmi_init(struct drm_i915_private *dev_priv,
-		     i915_reg_t hdmi_reg, enum port port)
-{
-	struct intel_digital_port *dig_port;
-	struct intel_encoder *intel_encoder;
-	struct intel_connector *intel_connector;
-
-	dig_port = kzalloc(sizeof(*dig_port), GFP_KERNEL);
-	if (!dig_port)
-		return;
-
-	intel_connector = intel_connector_alloc();
-	if (!intel_connector) {
-		kfree(dig_port);
-		return;
-	}
-
-	intel_encoder = &dig_port->base;
-
-	mutex_init(&dig_port->hdcp_mutex);
-
-	drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
-			 &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,
-			 "HDMI %c", port_name(port));
-
-	intel_encoder->hotplug = intel_hdmi_hotplug;
-	intel_encoder->compute_config = intel_hdmi_compute_config;
-	if (HAS_PCH_SPLIT(dev_priv)) {
-		intel_encoder->disable = pch_disable_hdmi;
-		intel_encoder->post_disable = pch_post_disable_hdmi;
-	} else {
-		intel_encoder->disable = g4x_disable_hdmi;
-	}
-	intel_encoder->get_hw_state = intel_hdmi_get_hw_state;
-	intel_encoder->get_config = intel_hdmi_get_config;
-	if (IS_CHERRYVIEW(dev_priv)) {
-		intel_encoder->pre_pll_enable = chv_hdmi_pre_pll_enable;
-		intel_encoder->pre_enable = chv_hdmi_pre_enable;
-		intel_encoder->enable = vlv_enable_hdmi;
-		intel_encoder->post_disable = chv_hdmi_post_disable;
-		intel_encoder->post_pll_disable = chv_hdmi_post_pll_disable;
-	} else if (IS_VALLEYVIEW(dev_priv)) {
-		intel_encoder->pre_pll_enable = vlv_hdmi_pre_pll_enable;
-		intel_encoder->pre_enable = vlv_hdmi_pre_enable;
-		intel_encoder->enable = vlv_enable_hdmi;
-		intel_encoder->post_disable = vlv_hdmi_post_disable;
-	} else {
-		intel_encoder->pre_enable = intel_hdmi_pre_enable;
-		if (HAS_PCH_CPT(dev_priv))
-			intel_encoder->enable = cpt_enable_hdmi;
-		else if (HAS_PCH_IBX(dev_priv))
-			intel_encoder->enable = ibx_enable_hdmi;
-		else
-			intel_encoder->enable = g4x_enable_hdmi;
-	}
-
-	intel_encoder->type = INTEL_OUTPUT_HDMI;
-	intel_encoder->power_domain = intel_port_to_power_domain(port);
-	intel_encoder->port = port;
-	if (IS_CHERRYVIEW(dev_priv)) {
-		if (port == PORT_D)
-			intel_encoder->pipe_mask = BIT(PIPE_C);
-		else
-			intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
-	} else {
-		intel_encoder->pipe_mask = ~0;
-	}
-	intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
-	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
-	/*
-	 * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems
-	 * to work on real hardware. And since g4x can send infoframes to
-	 * only one port anyway, nothing is lost by allowing it.
-	 */
-	if (IS_G4X(dev_priv))
-		intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI;
-
-	dig_port->hdmi.hdmi_reg = hdmi_reg;
-	dig_port->dp.output_reg = INVALID_MMIO_REG;
-	dig_port->max_lanes = 4;
-
-	intel_infoframe_init(dig_port);
-
-	dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port);
-	intel_hdmi_init_connector(dig_port, intel_connector);
-}
-
 /*
  * intel_hdmi_dsc_get_slice_height - get the dsc slice_height
  * @vactive: Vactive of a display mode

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

@@ -23,11 +23,8 @@ struct drm_connector_state;
 union hdmi_infoframe;
 enum port;
 
-void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg,
-		     enum port port);
 void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
 			       struct intel_connector *intel_connector);
-struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder);
 int intel_hdmi_compute_config(struct intel_encoder *encoder,
 			      struct intel_crtc_state *pipe_config,
 			      struct drm_connector_state *conn_state);