Merge tag 'drm-intel-next-2021-03-16' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Highlights:
- Alderlake S enabling, via topic branch (Aditya, Anusha, Caz, José, Lucas, Matt, Tejas)
- Refactor display code to shrink intel_display.c etc. (Dave)
- Support more gen 9 and Tigerlake PCH combinations (Lyude, Tejas)
- Add eDP MSO support (Jani)

Display:
- Refactor to support multiple PSR instances (Gwan-gyeong)
- Link training debug logging updates (Sean)
- Updates to eDP fixed mode handling (Jani)
- Disable PSR2 on JSL/EHL (Edmund)
- Support DDR5 and LPDDR5 for bandwidth computation (Clint, José)
- Update VBT DP max link rate table (Shawn)
- Disable the QSES check for HDCP2.2 over MST (Juston)
- PSR updates, refactoring, selective fetch (José, Gwan-gyeong)
- Display init sequence refactoring (Lucas)
- Limit LSPCON to gen 9 and 10 platforms (Ankit)
- Fix DDI lane polarity per VBT info (Uma)
- Fix HDMI vswing programming location in mode set (Ville)
- Various display improvements and refactorings and cleanups (Ville)
- Clean up DDI clock routing and readout (Ville)
- Workaround async flip + VT-d corruption on HSW/BDW (Ville)
- SAGV watermark fixes and cleanups (Ville)
- Silence pipe tracepoint WARNs (Ville)

Other:
- Remove require_force_probe protection from RKL, may need to be revisited (Tejas)
- Detect loss of MMIO access (Matt)
- GVT display improvements
- drm/i915: Disable runtime power management during shutdown (Imre)
- Perf/OA updates (Umesh)
- Remove references to struct drm_device.pdev, via topic branch (Thomas)
- Backmerge (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87v99rnk1g.fsf@intel.com

arch/x86/kernel/early-quirks.c

@@ -551,6 +551,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
 	INTEL_EHL_IDS(&gen11_early_ops),
 	INTEL_TGL_12_IDS(&gen11_early_ops),
 	INTEL_RKL_IDS(&gen11_early_ops),
+	INTEL_ADLS_IDS(&gen11_early_ops),
 };
 
 struct resource intel_graphics_stolen_res __ro_after_init = DEFINE_RES_MEM(0, 0);

drivers/gpu/drm/i915/Makefile

@@ -223,7 +223,9 @@ i915-y += \
 	display/intel_sprite.o \
 	display/intel_tc.o \
 	display/intel_vga.o \
-	display/i9xx_plane.o
+	display/i9xx_plane.o \
+	display/skl_scaler.o \
+	display/skl_universal_plane.o
 i915-$(CONFIG_ACPI) += \
 	display/intel_acpi.o \
 	display/intel_opregion.o
@@ -241,6 +243,7 @@ i915-y += \
 	display/icl_dsi.o \
 	display/intel_crt.o \
 	display/intel_ddi.o \
+	display/intel_ddi_buf_trans.o \
 	display/intel_dp.o \
 	display/intel_dp_aux.o \
 	display/intel_dp_aux_backlight.o \

drivers/gpu/drm/i915/display/i9xx_plane.c

@@ -770,10 +770,6 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 	int num_formats;
 	int ret, zpos;
 
-	if (INTEL_GEN(dev_priv) >= 9)
-		return skl_universal_plane_create(dev_priv, pipe,
-						  PLANE_PRIMARY);
-
 	plane = intel_plane_alloc();
 	if (IS_ERR(plane))
 		return plane;
@@ -924,3 +920,122 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 	return ERR_PTR(ret);
 }
 
+static int i9xx_format_to_fourcc(int format)
+{
+	switch (format) {
+	case DISPPLANE_8BPP:
+		return DRM_FORMAT_C8;
+	case DISPPLANE_BGRA555:
+		return DRM_FORMAT_ARGB1555;
+	case DISPPLANE_BGRX555:
+		return DRM_FORMAT_XRGB1555;
+	case DISPPLANE_BGRX565:
+		return DRM_FORMAT_RGB565;
+	default:
+	case DISPPLANE_BGRX888:
+		return DRM_FORMAT_XRGB8888;
+	case DISPPLANE_RGBX888:
+		return DRM_FORMAT_XBGR8888;
+	case DISPPLANE_BGRA888:
+		return DRM_FORMAT_ARGB8888;
+	case DISPPLANE_RGBA888:
+		return DRM_FORMAT_ABGR8888;
+	case DISPPLANE_BGRX101010:
+		return DRM_FORMAT_XRGB2101010;
+	case DISPPLANE_RGBX101010:
+		return DRM_FORMAT_XBGR2101010;
+	case DISPPLANE_BGRA101010:
+		return DRM_FORMAT_ARGB2101010;
+	case DISPPLANE_RGBA101010:
+		return DRM_FORMAT_ABGR2101010;
+	case DISPPLANE_RGBX161616:
+		return DRM_FORMAT_XBGR16161616F;
+	}
+}
+
+void
+i9xx_get_initial_plane_config(struct intel_crtc *crtc,
+			      struct intel_initial_plane_config *plane_config)
+{
+	struct drm_device *dev = crtc->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
+	enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
+	enum pipe pipe;
+	u32 val, base, offset;
+	int fourcc, pixel_format;
+	unsigned int aligned_height;
+	struct drm_framebuffer *fb;
+	struct intel_framebuffer *intel_fb;
+
+	if (!plane->get_hw_state(plane, &pipe))
+		return;
+
+	drm_WARN_ON(dev, pipe != crtc->pipe);
+
+	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
+	if (!intel_fb) {
+		drm_dbg_kms(&dev_priv->drm, "failed to alloc fb\n");
+		return;
+	}
+
+	fb = &intel_fb->base;
+
+	fb->dev = dev;
+
+	val = intel_de_read(dev_priv, DSPCNTR(i9xx_plane));
+
+	if (INTEL_GEN(dev_priv) >= 4) {
+		if (val & DISPPLANE_TILED) {
+			plane_config->tiling = I915_TILING_X;
+			fb->modifier = I915_FORMAT_MOD_X_TILED;
+		}
+
+		if (val & DISPPLANE_ROTATE_180)
+			plane_config->rotation = DRM_MODE_ROTATE_180;
+	}
+
+	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B &&
+	    val & DISPPLANE_MIRROR)
+		plane_config->rotation |= DRM_MODE_REFLECT_X;
+
+	pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
+	fourcc = i9xx_format_to_fourcc(pixel_format);
+	fb->format = drm_format_info(fourcc);
+
+	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
+		offset = intel_de_read(dev_priv, DSPOFFSET(i9xx_plane));
+		base = intel_de_read(dev_priv, DSPSURF(i9xx_plane)) & 0xfffff000;
+	} else if (INTEL_GEN(dev_priv) >= 4) {
+		if (plane_config->tiling)
+			offset = intel_de_read(dev_priv,
+					       DSPTILEOFF(i9xx_plane));
+		else
+			offset = intel_de_read(dev_priv,
+					       DSPLINOFF(i9xx_plane));
+		base = intel_de_read(dev_priv, DSPSURF(i9xx_plane)) & 0xfffff000;
+	} else {
+		base = intel_de_read(dev_priv, DSPADDR(i9xx_plane));
+	}
+	plane_config->base = base;
+
+	val = intel_de_read(dev_priv, PIPESRC(pipe));
+	fb->width = ((val >> 16) & 0xfff) + 1;
+	fb->height = ((val >> 0) & 0xfff) + 1;
+
+	val = intel_de_read(dev_priv, DSPSTRIDE(i9xx_plane));
+	fb->pitches[0] = val & 0xffffffc0;
+
+	aligned_height = intel_fb_align_height(fb, 0, fb->height);
+
+	plane_config->size = fb->pitches[0] * aligned_height;
+
+	drm_dbg_kms(&dev_priv->drm,
+		    "%s/%s with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
+		    crtc->base.name, plane->base.name, fb->width, fb->height,
+		    fb->format->cpp[0] * 8, base, fb->pitches[0],
+		    plane_config->size);
+
+	plane_config->fb = intel_fb;
+}
+

drivers/gpu/drm/i915/display/i9xx_plane.h

@@ -10,6 +10,8 @@
 
 enum pipe;
 struct drm_i915_private;
+struct intel_crtc;
+struct intel_initial_plane_config;
 struct intel_plane;
 struct intel_plane_state;
 
@@ -21,4 +23,6 @@ int i9xx_check_plane_surface(struct intel_plane_state *plane_state);
 struct intel_plane *
 intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe);
 
+void i9xx_get_initial_plane_config(struct intel_crtc *crtc,
+				   struct intel_initial_plane_config *plane_config);
 #endif

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

@@ -35,6 +35,8 @@
 #include "intel_dsi.h"
 #include "intel_panel.h"
 #include "intel_vdsc.h"
+#include "skl_scaler.h"
+#include "skl_universal_plane.h"
 
 static int header_credits_available(struct drm_i915_private *dev_priv,
 				    enum transcoder dsi_trans)
@@ -653,6 +655,24 @@ static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder)
 	mutex_unlock(&dev_priv->dpll.lock);
 }
 
+static bool gen11_dsi_is_clock_enabled(struct intel_encoder *encoder)
+{
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
+	bool clock_enabled = false;
+	enum phy phy;
+	u32 tmp;
+
+	tmp = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0);
+
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		if (!(tmp & ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)))
+			clock_enabled = true;
+	}
+
+	return clock_enabled;
+}
+
 static void gen11_dsi_map_pll(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state)
 {
@@ -1488,14 +1508,10 @@ static void gen11_dsi_get_cmd_mode_config(struct intel_dsi *intel_dsi,
 static void gen11_dsi_get_config(struct intel_encoder *encoder,
 				 struct intel_crtc_state *pipe_config)
 {
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
-	/* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */
-	pipe_config->port_clock = intel_dpll_get_freq(i915,
-						      pipe_config->shared_dpll,
-						      &pipe_config->dpll_hw_state);
+	intel_ddi_get_clock(encoder, pipe_config, icl_ddi_combo_get_pll(encoder));
 
 	pipe_config->hw.adjusted_mode.crtc_clock = intel_dsi->pclk;
 	if (intel_dsi->dual_link)
@@ -1940,6 +1956,8 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	encoder->pipe_mask = ~0;
 	encoder->power_domain = POWER_DOMAIN_PORT_DSI;
 	encoder->get_power_domains = gen11_dsi_get_power_domains;
+	encoder->disable_clock = gen11_dsi_gate_clocks;
+	encoder->is_clock_enabled = gen11_dsi_is_clock_enabled;
 
 	/* register DSI connector with DRM subsystem */
 	drm_connector_init(dev, connector, &gen11_dsi_connector_funcs,

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

@@ -40,7 +40,7 @@
 #include "intel_global_state.h"
 #include "intel_hdcp.h"
 #include "intel_psr.h"
-#include "intel_sprite.h"
+#include "skl_universal_plane.h"
 
 /**
  * intel_digital_connector_atomic_get_property - hook for connector->atomic_get_property.

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

@@ -1630,16 +1630,36 @@ static const u8 rkl_pch_tgp_ddc_pin_map[] = {
 	[RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP,
 };
 
+static const u8 adls_ddc_pin_map[] = {
+	[ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT,
+	[ADLS_DDC_BUS_PORT_TC1] = GMBUS_PIN_9_TC1_ICP,
+	[ADLS_DDC_BUS_PORT_TC2] = GMBUS_PIN_10_TC2_ICP,
+	[ADLS_DDC_BUS_PORT_TC3] = GMBUS_PIN_11_TC3_ICP,
+	[ADLS_DDC_BUS_PORT_TC4] = GMBUS_PIN_12_TC4_ICP,
+};
+
+static const u8 gen9bc_tgp_ddc_pin_map[] = {
+	[DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT,
+	[DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP,
+	[DDC_BUS_DDI_D] = GMBUS_PIN_10_TC2_ICP,
+};
+
 static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin)
 {
 	const u8 *ddc_pin_map;
 	int n_entries;
 
-	if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) {
+	if (HAS_PCH_ADP(dev_priv)) {
+		ddc_pin_map = adls_ddc_pin_map;
+		n_entries = ARRAY_SIZE(adls_ddc_pin_map);
+	} else if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1) {
 		return vbt_pin;
 	} else if (IS_ROCKETLAKE(dev_priv) && INTEL_PCH_TYPE(dev_priv) == PCH_TGP) {
 		ddc_pin_map = rkl_pch_tgp_ddc_pin_map;
 		n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map);
+	} else if (HAS_PCH_TGP(dev_priv) && IS_GEN9_BC(dev_priv)) {
+		ddc_pin_map = gen9bc_tgp_ddc_pin_map;
+		n_entries = ARRAY_SIZE(gen9bc_tgp_ddc_pin_map);
 	} else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) {
 		ddc_pin_map = icp_ddc_pin_map;
 		n_entries = ARRAY_SIZE(icp_ddc_pin_map);
@@ -1708,8 +1728,26 @@ static enum port dvo_port_to_port(struct drm_i915_private *dev_priv,
 		[PORT_TC1] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1 },
 		[PORT_TC2] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 },
 	};
+	/*
+	 * Alderlake S ports used in the driver are PORT_A, PORT_D, PORT_E,
+	 * PORT_F and PORT_G, we need to map that to correct VBT sections.
+	 */
+	static const int adls_port_mapping[][3] = {
+		[PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, -1 },
+		[PORT_B] = { -1 },
+		[PORT_C] = { -1 },
+		[PORT_TC1] = { DVO_PORT_HDMIB, DVO_PORT_DPB, -1 },
+		[PORT_TC2] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1 },
+		[PORT_TC3] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 },
+		[PORT_TC4] = { DVO_PORT_HDMIE, DVO_PORT_DPE, -1 },
+	};
 
-	if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
+	if (IS_ALDERLAKE_S(dev_priv))
+		return __dvo_port_to_port(ARRAY_SIZE(adls_port_mapping),
+					  ARRAY_SIZE(adls_port_mapping[0]),
+					  adls_port_mapping,
+					  dvo_port);
+	else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
 		return __dvo_port_to_port(ARRAY_SIZE(rkl_port_mapping),
 					  ARRAY_SIZE(rkl_port_mapping[0]),
 					  rkl_port_mapping,
@@ -1721,6 +1759,44 @@ static enum port dvo_port_to_port(struct drm_i915_private *dev_priv,
 					  dvo_port);
 }
 
+static int parse_bdb_230_dp_max_link_rate(const int vbt_max_link_rate)
+{
+	switch (vbt_max_link_rate) {
+	default:
+	case BDB_230_VBT_DP_MAX_LINK_RATE_DEF:
+		return 0;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_UHBR20:
+		return 2000000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_UHBR13P5:
+		return 1350000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_UHBR10:
+		return 1000000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_HBR3:
+		return 810000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_HBR2:
+		return 540000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_HBR:
+		return 270000;
+	case BDB_230_VBT_DP_MAX_LINK_RATE_LBR:
+		return 162000;
+	}
+}
+
+static int parse_bdb_216_dp_max_link_rate(const int vbt_max_link_rate)
+{
+	switch (vbt_max_link_rate) {
+	default:
+	case BDB_216_VBT_DP_MAX_LINK_RATE_HBR3:
+		return 810000;
+	case BDB_216_VBT_DP_MAX_LINK_RATE_HBR2:
+		return 540000;
+	case BDB_216_VBT_DP_MAX_LINK_RATE_HBR:
+		return 270000;
+	case BDB_216_VBT_DP_MAX_LINK_RATE_LBR:
+		return 162000;
+	}
+}
+
 static void parse_ddi_port(struct drm_i915_private *dev_priv,
 			   struct display_device_data *devdata,
 			   u8 bdb_version)
@@ -1800,7 +1876,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv,
 		/* The VBT HDMI level shift values match the table we have. */
 		u8 hdmi_level_shift = child->hdmi_level_shifter_value;
 		drm_dbg_kms(&dev_priv->drm,
-			    "VBT HDMI level shift for port %c: %d\n",
+			    "Port %c VBT HDMI level shift: %d\n",
 			    port_name(port),
 			    hdmi_level_shift);
 		info->hdmi_level_shift = hdmi_level_shift;
@@ -1827,7 +1903,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv,
 
 		if (max_tmds_clock)
 			drm_dbg_kms(&dev_priv->drm,
-				    "VBT HDMI max TMDS clock for port %c: %d kHz\n",
+				    "Port %c VBT HDMI max TMDS clock: %d kHz\n",
 				    port_name(port), max_tmds_clock);
 		info->max_tmds_clock = max_tmds_clock;
 	}
@@ -1836,33 +1912,23 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv,
 	if (bdb_version >= 196 && child->iboost) {
 		info->dp_boost_level = translate_iboost(child->dp_iboost_level);
 		drm_dbg_kms(&dev_priv->drm,
-			    "VBT (e)DP boost level for port %c: %d\n",
+			    "Port %c VBT (e)DP boost level: %d\n",
 			    port_name(port), info->dp_boost_level);
 		info->hdmi_boost_level = translate_iboost(child->hdmi_iboost_level);
 		drm_dbg_kms(&dev_priv->drm,
-			    "VBT HDMI boost level for port %c: %d\n",
+			    "Port %c VBT HDMI boost level: %d\n",
 			    port_name(port), info->hdmi_boost_level);
 	}
 
 	/* DP max link rate for CNL+ */
 	if (bdb_version >= 216) {
-		switch (child->dp_max_link_rate) {
-		default:
-		case VBT_DP_MAX_LINK_RATE_HBR3:
-			info->dp_max_link_rate = 810000;
-			break;
-		case VBT_DP_MAX_LINK_RATE_HBR2:
-			info->dp_max_link_rate = 540000;
-			break;
-		case VBT_DP_MAX_LINK_RATE_HBR:
-			info->dp_max_link_rate = 270000;
-			break;
-		case VBT_DP_MAX_LINK_RATE_LBR:
-			info->dp_max_link_rate = 162000;
-			break;
-		}
+		if (bdb_version >= 230)
+			info->dp_max_link_rate = parse_bdb_230_dp_max_link_rate(child->dp_max_link_rate);
+		else
+			info->dp_max_link_rate = parse_bdb_216_dp_max_link_rate(child->dp_max_link_rate);
+
 		drm_dbg_kms(&dev_priv->drm,
-			    "VBT DP max link rate for port %c: %d\n",
+			    "Port %c VBT DP max link rate: %d\n",
 			    port_name(port), info->dp_max_link_rate);
 	}
 
@@ -2098,7 +2164,7 @@ bool intel_bios_is_valid_vbt(const void *buf, size_t size)
 
 static struct vbt_header *oprom_get_vbt(struct drm_i915_private *dev_priv)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	void __iomem *p = NULL, *oprom;
 	struct vbt_header *vbt;
 	u16 vbt_size;
@@ -2645,6 +2711,23 @@ intel_bios_is_lspcon_present(const struct drm_i915_private *i915,
 	return HAS_LSPCON(i915) && child && child->lspcon;
 }
 
+/**
+ * intel_bios_is_lane_reversal_needed - if lane reversal needed on port
+ * @i915:       i915 device instance
+ * @port:       port to check
+ *
+ * Return true if port requires lane reversal
+ */
+bool
+intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915,
+				   enum port port)
+{
+	const struct child_device_config *child =
+		i915->vbt.ddi_port_info[port].child;
+
+	return child && child->lane_reversal;
+}
+
 enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv,
 				   enum port port)
 {
@@ -2661,27 +2744,44 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv,
 		return aux_ch;
 	}
 
+	/*
+	 * RKL/DG1 VBT uses PHY based mapping. Combo PHYs A,B,C,D
+	 * map to DDI A,B,TC1,TC2 respectively.
+	 *
+	 * ADL-S VBT uses PHY based mapping. Combo PHYs A,B,C,D,E
+	 * map to DDI A,TC1,TC2,TC3,TC4 respectively.
+	 */
 	switch (info->alternate_aux_channel) {
 	case DP_AUX_A:
 		aux_ch = AUX_CH_A;
 		break;
 	case DP_AUX_B:
-		aux_ch = AUX_CH_B;
+		if (IS_ALDERLAKE_S(dev_priv))
+			aux_ch = AUX_CH_USBC1;
+		else
+			aux_ch = AUX_CH_B;
 		break;
 	case DP_AUX_C:
-		/*
-		 * RKL/DG1 VBT uses PHY based mapping. Combo PHYs A,B,C,D
-		 * map to DDI A,B,TC1,TC2 respectively.
-		 */
-		aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ?
-			AUX_CH_USBC1 : AUX_CH_C;
+		if (IS_ALDERLAKE_S(dev_priv))
+			aux_ch = AUX_CH_USBC2;
+		else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
+			aux_ch = AUX_CH_USBC1;
+		else
+			aux_ch = AUX_CH_C;
 		break;
 	case DP_AUX_D:
-		aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ?
-			AUX_CH_USBC2 : AUX_CH_D;
+		if (IS_ALDERLAKE_S(dev_priv))
+			aux_ch = AUX_CH_USBC3;
+		else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
+			aux_ch = AUX_CH_USBC2;
+		else
+			aux_ch = AUX_CH_D;
 		break;
 	case DP_AUX_E:
-		aux_ch = AUX_CH_E;
+		if (IS_ALDERLAKE_S(dev_priv))
+			aux_ch = AUX_CH_USBC4;
+		else
+			aux_ch = AUX_CH_E;
 		break;
 	case DP_AUX_F:
 		aux_ch = AUX_CH_F;

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

@@ -241,6 +241,8 @@ bool intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915,
 				     enum port port);
 bool intel_bios_is_lspcon_present(const struct drm_i915_private *i915,
 				  enum port port);
+bool intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915,
+					enum port port);
 enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, enum port port);
 bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
 			       struct intel_crtc_state *crtc_state,

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

@@ -78,7 +78,17 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
 	qi->num_points = dram_info->num_qgv_points;
 
 	if (IS_GEN(dev_priv, 12))
-		qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 16;
+		switch (dram_info->type) {
+		case INTEL_DRAM_DDR4:
+			qi->t_bl = 4;
+			break;
+		case INTEL_DRAM_DDR5:
+			qi->t_bl = 8;
+			break;
+		default:
+			qi->t_bl = 16;
+			break;
+		}
 	else if (IS_GEN(dev_priv, 11))
 		qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8;
 
@@ -142,6 +152,12 @@ static const struct intel_sa_info rkl_sa_info = {
 	.displayrtids = 128,
 };
 
+static const struct intel_sa_info adls_sa_info = {
+	.deburst = 16,
+	.deprogbwlimit = 38, /* GB/s */
+	.displayrtids = 256,
+};
+
 static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa)
 {
 	struct intel_qgv_info qi = {};
@@ -251,7 +267,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv)
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	if (IS_ROCKETLAKE(dev_priv))
+	if (IS_ALDERLAKE_S(dev_priv))
+		icl_get_bw_info(dev_priv, &adls_sa_info);
+	else if (IS_ROCKETLAKE(dev_priv))
 		icl_get_bw_info(dev_priv, &rkl_sa_info);
 	else if (IS_GEN(dev_priv, 12))
 		icl_get_bw_info(dev_priv, &tgl_sa_info);

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

@@ -96,7 +96,7 @@ static void fixed_450mhz_get_cdclk(struct drm_i915_private *dev_priv,
 static void i85x_get_cdclk(struct drm_i915_private *dev_priv,
 			   struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u16 hpllcc = 0;
 
 	/*
@@ -138,7 +138,7 @@ static void i85x_get_cdclk(struct drm_i915_private *dev_priv,
 static void i915gm_get_cdclk(struct drm_i915_private *dev_priv,
 			     struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u16 gcfgc = 0;
 
 	pci_read_config_word(pdev, GCFGC, &gcfgc);
@@ -162,7 +162,7 @@ static void i915gm_get_cdclk(struct drm_i915_private *dev_priv,
 static void i945gm_get_cdclk(struct drm_i915_private *dev_priv,
 			     struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u16 gcfgc = 0;
 
 	pci_read_config_word(pdev, GCFGC, &gcfgc);
@@ -256,7 +256,7 @@ static unsigned int intel_hpll_vco(struct drm_i915_private *dev_priv)
 static void g33_get_cdclk(struct drm_i915_private *dev_priv,
 			  struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	static const u8 div_3200[] = { 12, 10,  8,  7, 5, 16 };
 	static const u8 div_4000[] = { 14, 12, 10,  8, 6, 20 };
 	static const u8 div_4800[] = { 20, 14, 12, 10, 8, 24 };
@@ -305,7 +305,7 @@ static void g33_get_cdclk(struct drm_i915_private *dev_priv,
 static void pnv_get_cdclk(struct drm_i915_private *dev_priv,
 			  struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u16 gcfgc = 0;
 
 	pci_read_config_word(pdev, GCFGC, &gcfgc);
@@ -339,7 +339,7 @@ static void pnv_get_cdclk(struct drm_i915_private *dev_priv,
 static void i965gm_get_cdclk(struct drm_i915_private *dev_priv,
 			     struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	static const u8 div_3200[] = { 16, 10,  8 };
 	static const u8 div_4000[] = { 20, 12, 10 };
 	static const u8 div_5333[] = { 24, 16, 14 };
@@ -384,7 +384,7 @@ static void i965gm_get_cdclk(struct drm_i915_private *dev_priv,
 static void gm45_get_cdclk(struct drm_i915_private *dev_priv,
 			   struct intel_cdclk_config *cdclk_config)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	unsigned int cdclk_sel;
 	u16 tmp = 0;
 
@@ -2145,10 +2145,10 @@ static int intel_compute_min_cdclk(struct intel_cdclk_state *cdclk_state)
 		if (IS_ERR(bw_state))
 			return PTR_ERR(bw_state);
 
-		if (cdclk_state->min_cdclk[i] == min_cdclk)
+		if (cdclk_state->min_cdclk[crtc->pipe] == min_cdclk)
 			continue;
 
-		cdclk_state->min_cdclk[i] = min_cdclk;
+		cdclk_state->min_cdclk[crtc->pipe] = min_cdclk;
 
 		ret = intel_atomic_lock_global_state(&cdclk_state->base);
 		if (ret)
@@ -2199,10 +2199,10 @@ static int bxt_compute_min_voltage_level(struct intel_cdclk_state *cdclk_state)
 		else
 			min_voltage_level = 0;
 
-		if (cdclk_state->min_voltage_level[i] == min_voltage_level)
+		if (cdclk_state->min_voltage_level[crtc->pipe] == min_voltage_level)
 			continue;
 
-		cdclk_state->min_voltage_level[i] = min_voltage_level;
+		cdclk_state->min_voltage_level[crtc->pipe] = min_voltage_level;
 
 		ret = intel_atomic_lock_global_state(&cdclk_state->base);
 		if (ret)

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

@@ -187,10 +187,16 @@ static bool has_phy_misc(struct drm_i915_private *i915, enum phy phy)
 	 * Some platforms only expect PHY_MISC to be programmed for PHY-A and
 	 * PHY-B and may not even have instances of the register for the
 	 * other combo PHY's.
+	 *
+	 * ADL-S technically has three instances of PHY_MISC, but only requires
+	 * that we program it for PHY A.
 	 */
-	if (IS_JSL_EHL(i915) ||
-	    IS_ROCKETLAKE(i915) ||
-	    IS_DG1(i915))
+
+	if (IS_ALDERLAKE_S(i915))
+		return phy == PHY_A;
+	else if (IS_JSL_EHL(i915) ||
+		 IS_ROCKETLAKE(i915) ||
+		 IS_DG1(i915))
 		return phy < PHY_C;
 
 	return true;
@@ -246,14 +252,21 @@ static bool phy_is_master(struct drm_i915_private *dev_priv, enum phy phy)
 	 * RKL,DG1:
 	 *   A(master) -> B(slave)
 	 *   C(master) -> D(slave)
+	 * ADL-S:
+	 *   A(master) -> B(slave), C(slave)
+	 *   D(master) -> E(slave)
 	 *
 	 * We must set the IREFGEN bit for any PHY acting as a master
 	 * to another PHY.
 	 */
-	if ((IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) && phy == PHY_C)
+	if (phy == PHY_A)
 		return true;
+	else if (IS_ALDERLAKE_S(dev_priv))
+		return phy == PHY_D;
+	else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
+		return phy == PHY_C;
 
-	return phy == PHY_A;
+	return false;
 }
 
 static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv,

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

@@ -38,6 +38,7 @@
 #include "intel_crt.h"
 #include "intel_ddi.h"
 #include "intel_display_types.h"
+#include "intel_fdi.h"
 #include "intel_fifo_underrun.h"
 #include "intel_gmbus.h"
 #include "intel_hotplug.h"
@@ -141,7 +142,7 @@ static void hsw_crt_get_config(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
-	intel_ddi_get_config(encoder, pipe_config);
+	hsw_ddi_get_config(encoder, pipe_config);
 
 	pipe_config->hw.adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC |
 					      DRM_MODE_FLAG_NHSYNC |
@@ -1075,6 +1076,9 @@ void intel_crt_init(struct drm_i915_private *dev_priv)
 		crt->base.enable = hsw_enable_crt;
 		crt->base.disable = hsw_disable_crt;
 		crt->base.post_disable = hsw_post_disable_crt;
+		crt->base.enable_clock = hsw_ddi_enable_clock;
+		crt->base.disable_clock = hsw_ddi_disable_clock;
+		crt->base.is_clock_enabled = hsw_ddi_is_clock_enabled;
 	} else {
 		if (HAS_PCH_SPLIT(dev_priv)) {
 			crt->base.compute_config = pch_crt_compute_config;

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

@@ -40,6 +40,10 @@
 
 #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
 
+#define ADLS_CSR_PATH			"i915/adls_dmc_ver2_01.bin"
+#define ADLS_CSR_VERSION_REQUIRED	CSR_VERSION(2, 1)
+MODULE_FIRMWARE(ADLS_CSR_PATH);
+
 #define DG1_CSR_PATH			"i915/dg1_dmc_ver2_02.bin"
 #define DG1_CSR_VERSION_REQUIRED	CSR_VERSION(2, 2)
 MODULE_FIRMWARE(DG1_CSR_PATH);
@@ -640,7 +644,7 @@ static void csr_load_work_fn(struct work_struct *work)
 	dev_priv = container_of(work, typeof(*dev_priv), csr.work);
 	csr = &dev_priv->csr;
 
-	request_firmware(&fw, dev_priv->csr.fw_path, &dev_priv->drm.pdev->dev);
+	request_firmware(&fw, dev_priv->csr.fw_path, dev_priv->drm.dev);
 	parse_csr_fw(dev_priv, fw);
 
 	if (dev_priv->csr.dmc_payload) {
@@ -689,7 +693,11 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 	 */
 	intel_csr_runtime_pm_get(dev_priv);
 
-	if (IS_DG1(dev_priv)) {
+	if (IS_ALDERLAKE_S(dev_priv)) {
+		csr->fw_path = ADLS_CSR_PATH;
+		csr->required_version = ADLS_CSR_VERSION_REQUIRED;
+		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
+	} else if (IS_DG1(dev_priv)) {
 		csr->fw_path = DG1_CSR_PATH;
 		csr->required_version = DG1_CSR_VERSION_REQUIRED;
 		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;

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

@@ -17,6 +17,7 @@ struct intel_crtc_state;
 struct intel_dp;
 struct intel_dpll_hw_state;
 struct intel_encoder;
+struct intel_shared_dpll;
 enum transcoder;
 
 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
@@ -27,8 +28,22 @@ void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
 				struct intel_encoder *intel_encoder,
 				const struct intel_crtc_state *old_crtc_state,
 				const struct drm_connector_state *old_conn_state);
-void hsw_fdi_link_train(struct intel_encoder *encoder,
-			const struct intel_crtc_state *crtc_state);
+void intel_ddi_enable_clock(struct intel_encoder *encoder,
+			    const struct intel_crtc_state *crtc_state);
+void intel_ddi_get_clock(struct intel_encoder *encoder,
+			 struct intel_crtc_state *crtc_state,
+			 struct intel_shared_dpll *pll);
+void hsw_ddi_enable_clock(struct intel_encoder *encoder,
+			  const struct intel_crtc_state *crtc_state);
+void hsw_ddi_disable_clock(struct intel_encoder *encoder);
+bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
+void hsw_ddi_get_config(struct intel_encoder *encoder,
+			struct intel_crtc_state *crtc_state);
+struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
+void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
+				  const struct intel_crtc_state *crtc_state);
+void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
+			     enum port port);
 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
@@ -40,8 +55,6 @@ void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
 			  const struct drm_connector_state *conn_state);
 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
-void intel_ddi_get_config(struct intel_encoder *encoder,
-			  struct intel_crtc_state *pipe_config);
 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
 				    bool state);
 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
@@ -53,6 +66,6 @@ u32 ddi_signal_levels(struct intel_dp *intel_dp,
 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
 			       enum transcoder cpu_transcoder,
 			       bool enable, u32 hdcp_mask);
-void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
+void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
 
 #endif /* __INTEL_DDI_H__ */

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

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef _INTEL_DDI_BUF_TRANS_H_
+#define _INTEL_DDI_BUF_TRANS_H_
+
+#include <linux/types.h>
+
+struct drm_i915_private;
+struct intel_encoder;
+struct intel_crtc_state;
+
+struct ddi_buf_trans {
+	u32 trans1;	/* balance leg enable, de-emph level */
+	u32 trans2;	/* vref sel, vswing */
+	u8 i_boost;	/* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */
+};
+
+struct bxt_ddi_buf_trans {
+	u8 margin;	/* swing value */
+	u8 scale;	/* scale value */
+	u8 enable;	/* scale enable */
+	u8 deemphasis;
+};
+
+struct cnl_ddi_buf_trans {
+	u8 dw2_swing_sel;
+	u8 dw7_n_scalar;
+	u8 dw4_cursor_coeff;
+	u8 dw4_post_cursor_2;
+	u8 dw4_post_cursor_1;
+};
+
+struct icl_mg_phy_ddi_buf_trans {
+	u32 cri_txdeemph_override_11_6;
+	u32 cri_txdeemph_override_5_0;
+	u32 cri_txdeemph_override_17_12;
+};
+
+struct tgl_dkl_phy_ddi_buf_trans {
+	u32 dkl_vswing_control;
+	u32 dkl_preshoot_control;
+	u32 dkl_de_emphasis_control;
+};
+
+bool is_hobl_buf_trans(const struct cnl_ddi_buf_trans *table);
+
+int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
+			       const struct intel_crtc_state *crtc_state,
+			       int *default_entry);
+
+const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries);
+const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv,
+			    int *n_entries);
+const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_hdmi(struct intel_encoder *encoder,
+			     int *n_entries);
+const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries);
+
+const struct bxt_ddi_buf_trans *
+bxt_get_buf_trans(struct intel_encoder *encoder,
+		  const struct intel_crtc_state *crtc_state,
+		  int *n_entries);
+
+const struct cnl_ddi_buf_trans *
+tgl_get_combo_buf_trans(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state,
+			int *n_entries);
+const struct tgl_dkl_phy_ddi_buf_trans *
+tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
+		      const struct intel_crtc_state *crtc_state,
+		      int *n_entries);
+const struct cnl_ddi_buf_trans *
+jsl_get_combo_buf_trans(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state,
+			int *n_entries);
+const struct cnl_ddi_buf_trans *
+ehl_get_combo_buf_trans(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state,
+			int *n_entries);
+const struct cnl_ddi_buf_trans *
+icl_get_combo_buf_trans(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state,
+			int *n_entries);
+const struct icl_mg_phy_ddi_buf_trans *
+icl_get_mg_buf_trans(struct intel_encoder *encoder,
+		     const struct intel_crtc_state *crtc_state,
+		     int *n_entries);
+
+const struct cnl_ddi_buf_trans *
+cnl_get_buf_trans(struct intel_encoder *encoder,
+		  const struct intel_crtc_state *crtc_state,
+		  int *n_entries);
+
+#endif

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

@@ -52,6 +52,7 @@ struct intel_crtc_state;
 struct intel_digital_port;
 struct intel_dp;
 struct intel_encoder;
+struct intel_initial_plane_config;
 struct intel_load_detect_pipe;
 struct intel_plane;
 struct intel_plane_state;
@@ -352,11 +353,6 @@ enum phy_fia {
 	for_each_cpu_transcoder(__dev_priv, __t) \
 		for_each_if ((__mask) & BIT(__t))
 
-#define for_each_universal_plane(__dev_priv, __pipe, __p)		\
-	for ((__p) = 0;							\
-	     (__p) < RUNTIME_INFO(__dev_priv)->num_sprites[(__pipe)] + 1;	\
-	     (__p)++)
-
 #define for_each_sprite(__dev_priv, __p, __s)				\
 	for ((__s) = 0;							\
 	     (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)];	\
@@ -417,10 +413,19 @@ enum phy_fia {
 		for_each_if((encoder_mask) &				\
 			    drm_encoder_mask(&intel_encoder->base))
 
+#define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \
+	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
+		for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \
+			    intel_encoder_can_psr(intel_encoder))
+
 #define for_each_intel_dp(dev, intel_encoder)			\
 	for_each_intel_encoder(dev, intel_encoder)		\
 		for_each_if(intel_encoder_is_dp(intel_encoder))
 
+#define for_each_intel_encoder_with_psr(dev, intel_encoder) \
+	for_each_intel_encoder((dev), (intel_encoder)) \
+		for_each_if(intel_encoder_can_psr(intel_encoder))
+
 #define for_each_intel_connector_iter(intel_connector, iter) \
 	while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
 
@@ -507,8 +512,6 @@ void intel_link_compute_m_n(u16 bpp, int nlanes,
 			    int pixel_clock, int link_clock,
 			    struct intel_link_m_n *m_n,
 			    bool constant_n, bool fec_enable);
-bool is_ccs_modifier(u64 modifier);
-int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
 void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
 			      u32 pixel_format, u64 modifier);
@@ -586,9 +589,6 @@ void intel_cleanup_plane_fb(struct drm_plane *plane,
 void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
 				    enum pipe pipe);
 
-int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
-		     const struct dpll *dpll);
-void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
 int lpt_get_iclkip(struct drm_i915_private *dev_priv);
 bool intel_fuzzy_clock_check(int clock1, int clock2);
 
@@ -613,25 +613,8 @@ enum intel_display_power_domain
 intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
 				  struct intel_crtc_state *crtc_state);
-
-u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_center);
-void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state);
-u32 skl_scaler_get_filter_select(enum drm_scaling_filter filter, int set);
-void skl_scaler_setup_filter(struct drm_i915_private *dev_priv, enum pipe pipe,
-			     int id, int set, enum drm_scaling_filter filter);
 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
-u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
-			const struct intel_plane_state *plane_state);
-u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state);
-u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
-		  const struct intel_plane_state *plane_state);
-u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state);
-u32 skl_plane_stride(const struct intel_plane_state *plane_state,
-		     int plane);
-int skl_check_plane_surface(struct intel_plane_state *plane_state);
-int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
-				 int *x, int *y, u32 *offset);
-int skl_format_to_fourcc(int format, bool rgb_order, bool alpha);
+
 int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
 
@@ -653,12 +636,21 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state);
 struct intel_encoder *
 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
 			   const struct intel_crtc_state *crtc_state);
+
 unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
 				  int color_plane);
+void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
+				    const struct drm_framebuffer *fb,
+				    int color_plane);
 u32 intel_plane_adjust_aligned_offset(int *x, int *y,
 				      const struct intel_plane_state *state,
 				      int color_plane,
 				      u32 old_offset, u32 new_offset);
+unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
+unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
+
+void intel_display_driver_register(struct drm_i915_private *i915);
+void intel_display_driver_unregister(struct drm_i915_private *i915);
 
 /* modesetting */
 void intel_modeset_init_hw(struct drm_i915_private *i915);

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

@@ -249,12 +249,11 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 		"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)) {
+	if (!CAN_PSR(intel_dp)) {
 		seq_puts(m, "PSR Unsupported\n");
 		return -ENODEV;
 	}
@@ -280,12 +279,13 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
 
 static void
-psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
+psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
 {
-	u32 val, status_val;
+	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	const char *status = "unknown";
+	u32 val, status_val;
 
-	if (dev_priv->psr.psr2_enabled) {
+	if (intel_dp->psr.psr2_enabled) {
 		static const char * const live_status[] = {
 			"IDLE",
 			"CAPTURE",
@@ -300,7 +300,7 @@ psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
 			"TG_ON"
 		};
 		val = intel_de_read(dev_priv,
-				    EDP_PSR2_STATUS(dev_priv->psr.transcoder));
+				    EDP_PSR2_STATUS(intel_dp->psr.transcoder));
 		status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
 			      EDP_PSR2_STATUS_STATE_SHIFT;
 		if (status_val < ARRAY_SIZE(live_status))
@@ -317,7 +317,7 @@ psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
 			"SRDENT_ON",
 		};
 		val = intel_de_read(dev_priv,
-				    EDP_PSR_STATUS(dev_priv->psr.transcoder));
+				    EDP_PSR_STATUS(intel_dp->psr.transcoder));
 		status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
 			      EDP_PSR_STATUS_STATE_SHIFT;
 		if (status_val < ARRAY_SIZE(live_status))
@@ -327,21 +327,18 @@ psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
 	seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
 }
 
-static int i915_edp_psr_status(struct seq_file *m, void *data)
+static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
 {
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	struct i915_psr *psr = &dev_priv->psr;
+	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct intel_psr *psr = &intel_dp->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]);
+	if (psr->sink_support)
+		seq_printf(m, " [0x%02x]", intel_dp->psr_dpcd[0]);
 	seq_puts(m, "\n");
 
 	if (!psr->sink_support)
@@ -365,16 +362,16 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
 
 	if (psr->psr2_enabled) {
 		val = intel_de_read(dev_priv,
-				    EDP_PSR2_CTL(dev_priv->psr.transcoder));
+				    EDP_PSR2_CTL(intel_dp->psr.transcoder));
 		enabled = val & EDP_PSR2_ENABLE;
 	} else {
 		val = intel_de_read(dev_priv,
-				    EDP_PSR_CTL(dev_priv->psr.transcoder));
+				    EDP_PSR_CTL(intel_dp->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);
+	psr_source_status(intel_dp, m);
 	seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
 		   psr->busy_frontbuffer_bits);
 
@@ -383,7 +380,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
 	 */
 	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
 		val = intel_de_read(dev_priv,
-				    EDP_PSR_PERF_CNT(dev_priv->psr.transcoder));
+				    EDP_PSR_PERF_CNT(intel_dp->psr.transcoder));
 		val &= EDP_PSR_PERF_CNT_MASK;
 		seq_printf(m, "Performance counter: %u\n", val);
 	}
@@ -404,7 +401,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
 		 */
 		for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
 			val = intel_de_read(dev_priv,
-					    PSR2_SU_STATUS(dev_priv->psr.transcoder, frame));
+					    PSR2_SU_STATUS(intel_dp->psr.transcoder, frame));
 			su_frames_val[frame / 3] = val;
 		}
 
@@ -430,23 +427,50 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int i915_edp_psr_status(struct seq_file *m, void *data)
+{
+	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct intel_dp *intel_dp = NULL;
+	struct intel_encoder *encoder;
+
+	if (!HAS_PSR(dev_priv))
+		return -ENODEV;
+
+	/* Find the first EDP which supports PSR */
+	for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
+		intel_dp = enc_to_intel_dp(encoder);
+		break;
+	}
+
+	if (!intel_dp)
+		return -ENODEV;
+
+	return intel_psr_status(m, intel_dp);
+}
+
 static int
 i915_edp_psr_debug_set(void *data, u64 val)
 {
 	struct drm_i915_private *dev_priv = data;
+	struct intel_encoder *encoder;
 	intel_wakeref_t wakeref;
-	int ret;
+	int ret = -ENODEV;
 
-	if (!CAN_PSR(dev_priv))
-		return -ENODEV;
+	if (!HAS_PSR(dev_priv))
+		return ret;
 
-	drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
+	for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+		drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val);
 
-	ret = intel_psr_debug_set(dev_priv, val);
+		wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+		// TODO: split to each transcoder's PSR debug state
+		ret = intel_psr_debug_set(intel_dp, val);
+
+		intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
+	}
 
 	return ret;
 }
@@ -455,12 +479,20 @@ static int
 i915_edp_psr_debug_get(void *data, u64 *val)
 {
 	struct drm_i915_private *dev_priv = data;
+	struct intel_encoder *encoder;
 
-	if (!CAN_PSR(dev_priv))
+	if (!HAS_PSR(dev_priv))
 		return -ENODEV;
 
-	*val = READ_ONCE(dev_priv->psr.debug);
-	return 0;
+	for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+		// TODO: split to each transcoder's PSR debug state
+		*val = READ_ONCE(intel_dp->psr.debug);
+		return 0;
+	}
+
+	return -ENODEV;
 }
 
 DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
@@ -1062,8 +1094,8 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 
 		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, " pipe_mask: 0x%x, active: 0x%x, on: %s\n",
+			   pll->state.pipe_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",
@@ -1229,9 +1261,6 @@ static void drrs_status_per_crtc(struct seq_file *m,
 		/* 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;
 		}
@@ -2165,19 +2194,40 @@ 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 drm_i915_private *i915 = to_i915(connector->dev);
 	struct intel_connector *intel_connector = to_intel_connector(connector);
+	int ret;
 
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
+	ret = drm_modeset_lock_single_interruptible(&i915->drm.mode_config.connection_mutex);
+	if (ret)
+		return ret;
+
+	if (!connector->encoder || connector->status != connector_status_connected) {
+		ret = -ENODEV;
+		goto out;
+	}
 
 	seq_printf(m, "%s:%d HDCP version: ", connector->name,
 		   connector->base.id);
 	intel_hdcp_info(m, intel_connector);
 
-	return 0;
+out:
+	drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);
+
+	return ret;
 }
 DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
 
+static int i915_psr_status_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));
+
+	return intel_psr_status(m, intel_dp);
+}
+DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
+
 #define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
 				seq_puts(m, "LPSP: incapable\n"))
 
@@ -2353,6 +2403,12 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 				    connector, &i915_psr_sink_status_fops);
 	}
 
+	if (HAS_PSR(dev_priv) &&
+	    connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+		debugfs_create_file("i915_psr_status", 0444, root,
+				    connector, &i915_psr_status_fops);
+	}
+
 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
 	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
 	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {

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

@@ -41,6 +41,14 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_PORT_DDI_G_LANES,
 	POWER_DOMAIN_PORT_DDI_H_LANES,
 	POWER_DOMAIN_PORT_DDI_I_LANES,
+
+	POWER_DOMAIN_PORT_DDI_LANES_TC1 = POWER_DOMAIN_PORT_DDI_D_LANES, /* tgl+ */
+	POWER_DOMAIN_PORT_DDI_LANES_TC2,
+	POWER_DOMAIN_PORT_DDI_LANES_TC3,
+	POWER_DOMAIN_PORT_DDI_LANES_TC4,
+	POWER_DOMAIN_PORT_DDI_LANES_TC5,
+	POWER_DOMAIN_PORT_DDI_LANES_TC6,
+
 	POWER_DOMAIN_PORT_DDI_A_IO,
 	POWER_DOMAIN_PORT_DDI_B_IO,
 	POWER_DOMAIN_PORT_DDI_C_IO,
@@ -50,6 +58,14 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_PORT_DDI_G_IO,
 	POWER_DOMAIN_PORT_DDI_H_IO,
 	POWER_DOMAIN_PORT_DDI_I_IO,
+
+	POWER_DOMAIN_PORT_DDI_IO_TC1 = POWER_DOMAIN_PORT_DDI_D_IO, /* tgl+ */
+	POWER_DOMAIN_PORT_DDI_IO_TC2,
+	POWER_DOMAIN_PORT_DDI_IO_TC3,
+	POWER_DOMAIN_PORT_DDI_IO_TC4,
+	POWER_DOMAIN_PORT_DDI_IO_TC5,
+	POWER_DOMAIN_PORT_DDI_IO_TC6,
+
 	POWER_DOMAIN_PORT_DSI,
 	POWER_DOMAIN_PORT_CRT,
 	POWER_DOMAIN_PORT_OTHER,
@@ -64,6 +80,14 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_AUX_G,
 	POWER_DOMAIN_AUX_H,
 	POWER_DOMAIN_AUX_I,
+
+	POWER_DOMAIN_AUX_USBC1 = POWER_DOMAIN_AUX_D, /* tgl+ */
+	POWER_DOMAIN_AUX_USBC2,
+	POWER_DOMAIN_AUX_USBC3,
+	POWER_DOMAIN_AUX_USBC4,
+	POWER_DOMAIN_AUX_USBC5,
+	POWER_DOMAIN_AUX_USBC6,
+
 	POWER_DOMAIN_AUX_IO_A,
 	POWER_DOMAIN_AUX_C_TBT,
 	POWER_DOMAIN_AUX_D_TBT,
@@ -72,6 +96,14 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_AUX_G_TBT,
 	POWER_DOMAIN_AUX_H_TBT,
 	POWER_DOMAIN_AUX_I_TBT,
+
+	POWER_DOMAIN_AUX_TBT1 = POWER_DOMAIN_AUX_D_TBT, /* tgl+ */
+	POWER_DOMAIN_AUX_TBT2,
+	POWER_DOMAIN_AUX_TBT3,
+	POWER_DOMAIN_AUX_TBT4,
+	POWER_DOMAIN_AUX_TBT5,
+	POWER_DOMAIN_AUX_TBT6,
+
 	POWER_DOMAIN_GMBUS,
 	POWER_DOMAIN_MODESET,
 	POWER_DOMAIN_GT_IRQ,

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

@@ -37,6 +37,7 @@
 #include <drm/drm_dp_mst_helper.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_rect.h>
 #include <drm/drm_vblank.h>
@@ -219,6 +220,16 @@ struct intel_encoder {
 	 * encoders have been disabled and suspended.
 	 */
 	void (*shutdown)(struct intel_encoder *encoder);
+	/*
+	 * Enable/disable the clock to the port.
+	 */
+	void (*enable_clock)(struct intel_encoder *encoder,
+			     const struct intel_crtc_state *crtc_state);
+	void (*disable_clock)(struct intel_encoder *encoder);
+	/*
+	 * Returns whether the port clock is enabled or not.
+	 */
+	bool (*is_clock_enabled)(struct intel_encoder *encoder);
 	enum hpd_pin hpd_pin;
 	enum intel_display_power_domain power_domain;
 	/* for communication with audio component; protected by av_mutex */
@@ -714,9 +725,9 @@ struct intel_pipe_wm {
 
 struct skl_wm_level {
 	u16 min_ddb_alloc;
-	u16 plane_res_b;
-	u8 plane_res_l;
-	bool plane_en;
+	u16 blocks;
+	u8 lines;
+	bool enable;
 	bool ignore_lines;
 	bool can_sagv;
 };
@@ -725,7 +736,10 @@ struct skl_plane_wm {
 	struct skl_wm_level wm[8];
 	struct skl_wm_level uv_wm[8];
 	struct skl_wm_level trans_wm;
-	struct skl_wm_level sagv_wm0;
+	struct {
+		struct skl_wm_level wm0;
+		struct skl_wm_level trans_wm;
+	} sagv;
 	bool is_planar;
 };
 
@@ -1159,6 +1173,13 @@ struct intel_crtc_state {
 		u8 pipeline_full;
 		u16 flipline, vmin, vmax;
 	} vrr;
+
+	/* Stream Splitter for eDP MSO */
+	struct {
+		bool enable;
+		u8 link_count;
+		u8 pixel_overlap;
+	} splitter;
 };
 
 enum intel_pipe_crc_source {
@@ -1414,6 +1435,44 @@ struct intel_pps {
 	struct edp_power_seq pps_delays;
 };
 
+struct intel_psr {
+	/* Mutex for PSR state of the transcoder */
+	struct mutex lock;
+
+#define I915_PSR_DEBUG_MODE_MASK	0x0f
+#define I915_PSR_DEBUG_DEFAULT		0x00
+#define I915_PSR_DEBUG_DISABLE		0x01
+#define I915_PSR_DEBUG_ENABLE		0x02
+#define I915_PSR_DEBUG_FORCE_PSR1	0x03
+#define I915_PSR_DEBUG_ENABLE_SEL_FETCH	0x4
+#define I915_PSR_DEBUG_IRQ		0x10
+
+	u32 debug;
+	bool sink_support;
+	bool source_support;
+	bool enabled;
+	enum pipe pipe;
+	enum transcoder transcoder;
+	bool active;
+	struct work_struct work;
+	unsigned int busy_frontbuffer_bits;
+	bool sink_psr2_support;
+	bool link_standby;
+	bool colorimetry_support;
+	bool psr2_enabled;
+	bool psr2_sel_fetch_enabled;
+	u8 sink_sync_latency;
+	ktime_t last_entry_attempt;
+	ktime_t last_exit;
+	bool sink_not_reliable;
+	bool irq_aux_error;
+	u16 su_x_granularity;
+	bool dc3co_enabled;
+	u32 dc3co_exit_delay;
+	struct delayed_work dc3co_work;
+	struct drm_dp_vsc_sdp vsc;
+};
+
 struct intel_dp {
 	i915_reg_t output_reg;
 	u32 DP;
@@ -1448,6 +1507,8 @@ struct intel_dp {
 	int max_link_lane_count;
 	/* Max rate for the current link */
 	int max_link_rate;
+	int mso_link_count;
+	int mso_pixel_overlap;
 	/* sink or branch descriptor */
 	struct drm_dp_desc desc;
 	struct drm_dp_aux aux;
@@ -1516,6 +1577,8 @@ struct intel_dp {
 	bool hobl_active;
 
 	struct intel_dp_pcon_frl frl;
+
+	struct intel_psr psr;
 };
 
 enum lspcon_vendor {
@@ -1752,6 +1815,17 @@ dp_to_i915(struct intel_dp *intel_dp)
 	return to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
 }
 
+#define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \
+			   (intel_dp)->psr.source_support)
+
+static inline bool intel_encoder_can_psr(struct intel_encoder *encoder)
+{
+	if (!intel_encoder_is_dp(encoder))
+		return false;
+
+	return CAN_PSR(enc_to_intel_dp(encoder));
+}
+
 static inline struct intel_digital_port *
 hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
 {
@@ -1893,4 +1967,39 @@ static inline u32 intel_fdi_link_freq(struct drm_i915_private *dev_priv,
 		return dev_priv->fdi_pll_freq;
 }
 
+static inline bool is_ccs_modifier(u64 modifier)
+{
+	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+	       modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
+}
+
+static inline bool is_ccs_plane(const struct drm_framebuffer *fb, int plane)
+{
+	if (!is_ccs_modifier(fb->modifier))
+		return false;
+
+	return plane >= fb->format->num_planes / 2;
+}
+
+static inline bool is_gen12_ccs_modifier(u64 modifier)
+{
+	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
+}
+
+static inline bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane)
+{
+	return is_gen12_ccs_modifier(fb->modifier) && is_ccs_plane(fb, plane);
+}
+
+static inline bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int plane)
+{
+	return fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC &&
+	       plane == 2;
+}
+
 #endif /*  __INTEL_DISPLAY_TYPES_H__ */

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

@@ -50,6 +50,7 @@
 #include "intel_dp_aux.h"
 #include "intel_dp_link_training.h"
 #include "intel_dp_mst.h"
+#include "intel_dpll.h"
 #include "intel_dpio_phy.h"
 #include "intel_fifo_underrun.h"
 #include "intel_hdcp.h"
@@ -788,10 +789,10 @@ intel_dp_mode_valid(struct drm_connector *connector,
 		return MODE_H_ILLEGAL;
 
 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {
-		if (mode->hdisplay > fixed_mode->hdisplay)
+		if (mode->hdisplay != fixed_mode->hdisplay)
 			return MODE_PANEL;
 
-		if (mode->vdisplay > fixed_mode->vdisplay)
+		if (mode->vdisplay != fixed_mode->vdisplay)
 			return MODE_PANEL;
 
 		target_clock = fixed_mode->clock;
@@ -1663,12 +1664,10 @@ void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
 				  const struct drm_connector_state *conn_state,
 				  struct drm_dp_vsc_sdp *vsc)
 {
-	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
-
 	vsc->sdp_type = DP_SDP_VSC;
 
-	if (dev_priv->psr.psr2_enabled) {
-		if (dev_priv->psr.colorimetry_support &&
+	if (intel_dp->psr.psr2_enabled) {
+		if (intel_dp->psr.colorimetry_support &&
 		    intel_dp_needs_vsc_sdp(crtc_state, conn_state)) {
 			/* [PSR2, +Colorimetry] */
 			intel_dp_compute_vsc_colorimetry(crtc_state, conn_state,
@@ -1724,6 +1723,7 @@ intel_dp_drrs_compute_config(struct intel_dp *intel_dp,
 {
 	struct intel_connector *intel_connector = intel_dp->attached_connector;
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	int pixel_clock;
 
 	if (pipe_config->vrr.enable)
 		return;
@@ -1742,10 +1742,18 @@ intel_dp_drrs_compute_config(struct intel_dp *intel_dp,
 		return;
 
 	pipe_config->has_drrs = true;
-	intel_link_compute_m_n(output_bpp, pipe_config->lane_count,
-			       intel_connector->panel.downclock_mode->clock,
+
+	pixel_clock = intel_connector->panel.downclock_mode->clock;
+	if (pipe_config->splitter.enable)
+		pixel_clock /= pipe_config->splitter.link_count;
+
+	intel_link_compute_m_n(output_bpp, pipe_config->lane_count, pixel_clock,
 			       pipe_config->port_clock, &pipe_config->dp_m2_n2,
 			       constant_n, pipe_config->fec_enable);
+
+	/* FIXME: abstract this better */
+	if (pipe_config->splitter.enable)
+		pipe_config->dp_m2_n2.gmch_m *= pipe_config->splitter.link_count;
 }
 
 int
@@ -1820,6 +1828,26 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 		output_bpp = intel_dp_output_bpp(pipe_config->output_format,
 						 pipe_config->pipe_bpp);
 
+	if (intel_dp->mso_link_count) {
+		int n = intel_dp->mso_link_count;
+		int overlap = intel_dp->mso_pixel_overlap;
+
+		pipe_config->splitter.enable = true;
+		pipe_config->splitter.link_count = n;
+		pipe_config->splitter.pixel_overlap = overlap;
+
+		drm_dbg_kms(&dev_priv->drm, "MSO link count %d, pixel overlap %d\n",
+			    n, overlap);
+
+		adjusted_mode->crtc_hdisplay = adjusted_mode->crtc_hdisplay / n + overlap;
+		adjusted_mode->crtc_hblank_start = adjusted_mode->crtc_hblank_start / n + overlap;
+		adjusted_mode->crtc_hblank_end = adjusted_mode->crtc_hblank_end / n + overlap;
+		adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hsync_start / n + overlap;
+		adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_end / n + overlap;
+		adjusted_mode->crtc_htotal = adjusted_mode->crtc_htotal / n + overlap;
+		adjusted_mode->crtc_clock /= n;
+	}
+
 	intel_link_compute_m_n(output_bpp,
 			       pipe_config->lane_count,
 			       adjusted_mode->crtc_clock,
@@ -1827,6 +1855,10 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 			       &pipe_config->dp_m_n,
 			       constant_n, pipe_config->fec_enable);
 
+	/* FIXME: abstract this better */
+	if (pipe_config->splitter.enable)
+		pipe_config->dp_m_n.gmch_m *= pipe_config->splitter.link_count;
+
 	if (!HAS_DDI(dev_priv))
 		intel_dp_set_clock(encoder, pipe_config);
 
@@ -2359,7 +2391,7 @@ bool intel_dp_initial_fastset_check(struct intel_encoder *encoder,
 		return false;
 	}
 
-	if (CAN_PSR(i915) && intel_dp_is_edp(intel_dp)) {
+	if (CAN_PSR(intel_dp)) {
 		drm_dbg_kms(&i915->drm, "Forcing full modeset to compute PSR state\n");
 		crtc_state->uapi.mode_changed = true;
 		return false;
@@ -2650,7 +2682,7 @@ void intel_dp_check_frl_training(struct intel_dp *intel_dp)
 	if (intel_dp_pcon_start_frl_training(intel_dp) < 0) {
 		int ret, mode;
 
-		drm_dbg(&dev_priv->drm, "Couldnt set FRL mode, continuing with TMDS mode\n");
+		drm_dbg(&dev_priv->drm, "Couldn't set FRL mode, continuing with TMDS mode\n");
 		ret = drm_dp_pcon_reset_frl_config(&intel_dp->aux);
 		mode = drm_dp_pcon_hdmi_link_mode(&intel_dp->aux, NULL);
 
@@ -3517,6 +3549,64 @@ static void intel_dp_get_dsc_sink_cap(struct intel_dp *intel_dp)
 	}
 }
 
+static void intel_edp_mso_mode_fixup(struct intel_connector *connector,
+				     struct drm_display_mode *mode)
+{
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	int n = intel_dp->mso_link_count;
+	int overlap = intel_dp->mso_pixel_overlap;
+
+	if (!mode || !n)
+		return;
+
+	mode->hdisplay = (mode->hdisplay - overlap) * n;
+	mode->hsync_start = (mode->hsync_start - overlap) * n;
+	mode->hsync_end = (mode->hsync_end - overlap) * n;
+	mode->htotal = (mode->htotal - overlap) * n;
+	mode->clock *= n;
+
+	drm_mode_set_name(mode);
+
+	drm_dbg_kms(&i915->drm,
+		    "[CONNECTOR:%d:%s] using generated MSO mode: ",
+		    connector->base.base.id, connector->base.name);
+	drm_mode_debug_printmodeline(mode);
+}
+
+static void intel_edp_mso_init(struct intel_dp *intel_dp)
+{
+	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+	u8 mso;
+
+	if (intel_dp->edp_dpcd[0] < DP_EDP_14)
+		return;
+
+	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_MSO_LINK_CAPABILITIES, &mso) != 1) {
+		drm_err(&i915->drm, "Failed to read MSO cap\n");
+		return;
+	}
+
+	/* Valid configurations are SST or MSO 2x1, 2x2, 4x1 */
+	mso &= DP_EDP_MSO_NUMBER_OF_LINKS_MASK;
+	if (mso % 2 || mso > drm_dp_max_lane_count(intel_dp->dpcd)) {
+		drm_err(&i915->drm, "Invalid MSO link count cap %u\n", mso);
+		mso = 0;
+	}
+
+	if (mso) {
+		drm_dbg_kms(&i915->drm, "Sink MSO %ux%u configuration\n",
+			    mso, drm_dp_max_lane_count(intel_dp->dpcd) / mso);
+		if (!HAS_MSO(i915)) {
+			drm_err(&i915->drm, "No source MSO support, disabling\n");
+			mso = 0;
+		}
+	}
+
+	intel_dp->mso_link_count = mso;
+	intel_dp->mso_pixel_overlap = 0; /* FIXME: read from DisplayID v2.0 */
+}
+
 static bool
 intel_edp_init_dpcd(struct intel_dp *intel_dp)
 {
@@ -3600,6 +3690,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
 	 */
 	intel_edp_init_source_oui(intel_dp, true);
 
+	intel_edp_mso_init(intel_dp);
+
 	return true;
 }
 
@@ -5548,19 +5640,18 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 {
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct edid *edid;
+	int num_modes = 0;
 
 	edid = intel_connector->detect_edid;
 	if (edid) {
-		int ret = intel_connector_update_modes(connector, edid);
+		num_modes = intel_connector_update_modes(connector, edid);
 
 		if (intel_vrr_is_capable(connector))
 			drm_connector_set_vrr_capable_property(connector,
 							       true);
-		if (ret)
-			return ret;
 	}
 
-	/* if eDP has no EDID, fall back to fixed mode */
+	/* Also add fixed mode, which may or may not be present in EDID */
 	if (intel_dp_is_edp(intel_attached_dp(intel_connector)) &&
 	    intel_connector->panel.fixed_mode) {
 		struct drm_display_mode *mode;
@@ -5569,10 +5660,13 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 					  intel_connector->panel.fixed_mode);
 		if (mode) {
 			drm_mode_probed_add(connector, mode);
-			return 1;
+			num_modes++;
 		}
 	}
 
+	if (num_modes)
+		return num_modes;
+
 	if (!edid) {
 		struct intel_dp *intel_dp = intel_attached_dp(intel_connector);
 		struct drm_display_mode *mode;
@@ -5582,11 +5676,11 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 					      intel_dp->downstream_ports);
 		if (mode) {
 			drm_mode_probed_add(connector, mode);
-			return 1;
+			num_modes++;
 		}
 	}
 
-	return 0;
+	return num_modes;
 }
 
 static int
@@ -6459,6 +6553,10 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	if (fixed_mode)
 		downclock_mode = intel_dp_drrs_init(intel_connector, fixed_mode);
 
+	/* multiply the mode clock and horizontal timings for MSO */
+	intel_edp_mso_mode_fixup(intel_connector, fixed_mode);
+	intel_edp_mso_mode_fixup(intel_connector, downclock_mode);
+
 	/* fallback to VBT if available for eDP */
 	if (!fixed_mode)
 		fixed_mode = intel_panel_vbt_fixed_mode(intel_connector);
@@ -6641,6 +6739,8 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
 	intel_dp->frl.is_trained = false;
 	intel_dp->frl.trained_rate_gbps = 0;
 
+	intel_psr_init(intel_dp);
+
 	return true;
 
 fail:

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

@@ -698,30 +698,6 @@ intel_dp_mst_hdcp_stream_encryption(struct intel_connector *connector,
 	return 0;
 }
 
-static bool intel_dp_mst_get_qses_status(struct intel_digital_port *dig_port,
-					 struct intel_connector *connector)
-{
-	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-	struct drm_dp_query_stream_enc_status_ack_reply reply;
-	struct intel_dp *intel_dp = &dig_port->dp;
-	int ret;
-
-	ret = drm_dp_send_query_stream_enc_status(&intel_dp->mst_mgr,
-						  connector->port, &reply);
-	if (ret) {
-		drm_dbg_kms(&i915->drm,
-			    "[%s:%d] failed QSES ret=%d\n",
-			    connector->base.name, connector->base.base.id, ret);
-		return false;
-	}
-
-	drm_dbg_kms(&i915->drm, "[%s:%d] QSES stream auth: %d stream enc: %d\n",
-		    connector->base.name, connector->base.base.id,
-		    reply.auth_completed, reply.encryption_enabled);
-
-	return reply.auth_completed && reply.encryption_enabled;
-}
-
 static int
 intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector,
 				     bool enable)
@@ -757,11 +733,6 @@ intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector,
 	return 0;
 }
 
-/*
- * DP v2.0 I.3.3 ignore the stream signature L' in QSES reply msg reply.
- * I.3.5 MST source device may use a QSES msg to query downstream status
- * for a particular stream.
- */
 static
 int intel_dp_mst_hdcp2_check_link(struct intel_digital_port *dig_port,
 				  struct intel_connector *connector)
@@ -781,7 +752,7 @@ int intel_dp_mst_hdcp2_check_link(struct intel_digital_port *dig_port,
 			return ret;
 	}
 
-	return intel_dp_mst_get_qses_status(dig_port, connector) ? 0 : -EINVAL;
+	return 0;
 }
 
 static const struct intel_hdcp_shim intel_dp_mst_hdcp_shim = {

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

@@ -26,12 +26,13 @@
 #include "intel_dp_link_training.h"
 
 static void
-intel_dp_dump_link_status(const u8 link_status[DP_LINK_STATUS_SIZE])
+intel_dp_dump_link_status(struct drm_device *drm,
+			  const u8 link_status[DP_LINK_STATUS_SIZE])
 {
-
-	DRM_DEBUG_KMS("ln0_1:0x%x ln2_3:0x%x align:0x%x sink:0x%x adj_req0_1:0x%x adj_req2_3:0x%x",
-		      link_status[0], link_status[1], link_status[2],
-		      link_status[3], link_status[4], link_status[5]);
+	drm_dbg_kms(drm,
+		    "ln0_1:0x%x ln2_3:0x%x align:0x%x sink:0x%x adj_req0_1:0x%x adj_req2_3:0x%x\n",
+		    link_status[0], link_status[1], link_status[2],
+		    link_status[3], link_status[4], link_status[5]);
 }
 
 static void intel_dp_reset_lttpr_count(struct intel_dp *intel_dp)
@@ -642,7 +643,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
 		/* Make sure clock is still ok */
 		if (!drm_dp_clock_recovery_ok(link_status,
 					      crtc_state->lane_count)) {
-			intel_dp_dump_link_status(link_status);
+			intel_dp_dump_link_status(&i915->drm, link_status);
 			drm_dbg_kms(&i915->drm,
 				    "Clock recovery check failed, cannot "
 				    "continue channel equalization\n");
@@ -669,7 +670,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp,
 
 	/* Try 5 times, else fail and try at lower BW */
 	if (tries == 5) {
-		intel_dp_dump_link_status(link_status);
+		intel_dp_dump_link_status(&i915->drm, link_status);
 		drm_dbg_kms(&i915->drm,
 			    "Channel equalization failed 5 times\n");
 	}
@@ -731,7 +732,7 @@ intel_dp_link_train_phy(struct intel_dp *intel_dp,
 
 out:
 	drm_dbg_kms(&dp_to_i915(intel_dp)->drm,
-		    "[CONNECTOR:%d:%s] Link Training %s at link rate = %d, lane count = %d, at %s",
+		    "[CONNECTOR:%d:%s] Link Training %s at link rate = %d, lane count = %d, at %s\n",
 		    intel_connector->base.base.id,
 		    intel_connector->base.name,
 		    ret ? "passed" : "failed",

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

@@ -39,6 +39,7 @@
 #include "intel_dp_mst.h"
 #include "intel_dpio_phy.h"
 #include "intel_hdcp.h"
+#include "skl_scaler.h"
 
 static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 					    struct intel_crtc_state *crtc_state,
@@ -590,7 +591,7 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
 	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *dig_port = intel_mst->primary;
 
-	intel_ddi_get_config(&dig_port->base, pipe_config);
+	dig_port->base.get_config(&dig_port->base, pipe_config);
 }
 
 static bool intel_dp_mst_initial_fastset_check(struct intel_encoder *encoder,

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

@@ -10,6 +10,7 @@ struct dpll;
 struct drm_i915_private;
 struct intel_crtc;
 struct intel_crtc_state;
+enum pipe;
 
 void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
 int vlv_calc_dpll_params(int refclk, struct dpll *clock);
@@ -20,4 +21,21 @@ void vlv_compute_dpll(struct intel_crtc *crtc,
 void chv_compute_dpll(struct intel_crtc *crtc,
 		      struct intel_crtc_state *pipe_config);
 
+int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
+		     const struct dpll *dpll);
+void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
+void i9xx_enable_pll(struct intel_crtc *crtc,
+		     const struct intel_crtc_state *crtc_state);
+void vlv_enable_pll(struct intel_crtc *crtc,
+		    const struct intel_crtc_state *pipe_config);
+void chv_enable_pll(struct intel_crtc *crtc,
+		    const struct intel_crtc_state *pipe_config);
+void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
+void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
+void i9xx_disable_pll(const struct intel_crtc_state *crtc_state);
+void vlv_prepare_pll(struct intel_crtc *crtc,
+		     const struct intel_crtc_state *pipe_config);
+void chv_prepare_pll(struct intel_crtc *crtc,
+		     const struct intel_crtc_state *pipe_config);
+
 #endif

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

@@ -176,7 +176,7 @@ void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state)
 		return;
 
 	mutex_lock(&dev_priv->dpll.lock);
-	drm_WARN_ON(&dev_priv->drm, !pll->state.crtc_mask);
+	drm_WARN_ON(&dev_priv->drm, !pll->state.pipe_mask);
 	if (!pll->active_mask) {
 		drm_dbg(&dev_priv->drm, "setting up %s\n", pll->info->name);
 		drm_WARN_ON(&dev_priv->drm, pll->on);
@@ -198,7 +198,7 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state)
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
-	unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
+	unsigned int pipe_mask = BIT(crtc->pipe);
 	unsigned int old_mask;
 
 	if (drm_WARN_ON(&dev_priv->drm, pll == NULL))
@@ -207,16 +207,16 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state)
 	mutex_lock(&dev_priv->dpll.lock);
 	old_mask = pll->active_mask;
 
-	if (drm_WARN_ON(&dev_priv->drm, !(pll->state.crtc_mask & crtc_mask)) ||
-	    drm_WARN_ON(&dev_priv->drm, pll->active_mask & crtc_mask))
+	if (drm_WARN_ON(&dev_priv->drm, !(pll->state.pipe_mask & pipe_mask)) ||
+	    drm_WARN_ON(&dev_priv->drm, pll->active_mask & pipe_mask))
 		goto out;
 
-	pll->active_mask |= crtc_mask;
+	pll->active_mask |= pipe_mask;
 
 	drm_dbg_kms(&dev_priv->drm,
-		    "enable %s (active %x, on? %d) for crtc %d\n",
+		    "enable %s (active 0x%x, on? %d) for [CRTC:%d:%s]\n",
 		    pll->info->name, pll->active_mask, pll->on,
-		    crtc->base.base.id);
+		    crtc->base.base.id, crtc->base.name);
 
 	if (old_mask) {
 		drm_WARN_ON(&dev_priv->drm, !pll->on);
@@ -244,7 +244,7 @@ void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state)
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
-	unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
+	unsigned int pipe_mask = BIT(crtc->pipe);
 
 	/* PCH only available on ILK+ */
 	if (INTEL_GEN(dev_priv) < 5)
@@ -254,18 +254,20 @@ void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state)
 		return;
 
 	mutex_lock(&dev_priv->dpll.lock);
-	if (drm_WARN_ON(&dev_priv->drm, !(pll->active_mask & crtc_mask)))
+	if (drm_WARN(&dev_priv->drm, !(pll->active_mask & pipe_mask),
+		     "%s not used by [CRTC:%d:%s]\n", pll->info->name,
+		     crtc->base.base.id, crtc->base.name))
 		goto out;
 
 	drm_dbg_kms(&dev_priv->drm,
-		    "disable %s (active %x, on? %d) for crtc %d\n",
+		    "disable %s (active 0x%x, on? %d) for [CRTC:%d:%s]\n",
 		    pll->info->name, pll->active_mask, pll->on,
-		    crtc->base.base.id);
+		    crtc->base.base.id, crtc->base.name);
 
 	assert_shared_dpll_enabled(dev_priv, pll);
 	drm_WARN_ON(&dev_priv->drm, !pll->on);
 
-	pll->active_mask &= ~crtc_mask;
+	pll->active_mask &= ~pipe_mask;
 	if (pll->active_mask)
 		goto out;
 
@@ -296,7 +298,7 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
 		pll = &dev_priv->dpll.shared_dplls[i];
 
 		/* Only want to check enabled timings first */
-		if (shared_dpll[i].crtc_mask == 0) {
+		if (shared_dpll[i].pipe_mask == 0) {
 			if (!unused_pll)
 				unused_pll = pll;
 			continue;
@@ -306,10 +308,10 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
 			   &shared_dpll[i].hw_state,
 			   sizeof(*pll_state)) == 0) {
 			drm_dbg_kms(&dev_priv->drm,
-				    "[CRTC:%d:%s] sharing existing %s (crtc mask 0x%08x, active %x)\n",
+				    "[CRTC:%d:%s] sharing existing %s (pipe mask 0x%x, active 0x%x)\n",
 				    crtc->base.base.id, crtc->base.name,
 				    pll->info->name,
-				    shared_dpll[i].crtc_mask,
+				    shared_dpll[i].pipe_mask,
 				    pll->active_mask);
 			return pll;
 		}
@@ -338,13 +340,13 @@ intel_reference_shared_dpll(struct intel_atomic_state *state,
 
 	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
 
-	if (shared_dpll[id].crtc_mask == 0)
+	if (shared_dpll[id].pipe_mask == 0)
 		shared_dpll[id].hw_state = *pll_state;
 
 	drm_dbg(&i915->drm, "using %s for pipe %c\n", pll->info->name,
 		pipe_name(crtc->pipe));
 
-	shared_dpll[id].crtc_mask |= 1 << crtc->pipe;
+	shared_dpll[id].pipe_mask |= BIT(crtc->pipe);
 }
 
 static void intel_unreference_shared_dpll(struct intel_atomic_state *state,
@@ -354,7 +356,7 @@ static void intel_unreference_shared_dpll(struct intel_atomic_state *state,
 	struct intel_shared_dpll_state *shared_dpll;
 
 	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
-	shared_dpll[pll->info->id].crtc_mask &= ~(1 << crtc->pipe);
+	shared_dpll[pll->info->id].pipe_mask &= ~BIT(crtc->pipe);
 }
 
 static void intel_put_dpll(struct intel_atomic_state *state,
@@ -3559,7 +3561,13 @@ static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state,
 
 	icl_calc_dpll_state(dev_priv, &pll_params, &port_dpll->hw_state);
 
-	if (IS_DG1(dev_priv)) {
+	if (IS_ALDERLAKE_S(dev_priv)) {
+		dpll_mask =
+			BIT(DPLL_ID_DG1_DPLL3) |
+			BIT(DPLL_ID_DG1_DPLL2) |
+			BIT(DPLL_ID_ICL_DPLL1) |
+			BIT(DPLL_ID_ICL_DPLL0);
+	} else if (IS_DG1(dev_priv)) {
 		if (port == PORT_D || port == PORT_E) {
 			dpll_mask =
 				BIT(DPLL_ID_DG1_DPLL2) |
@@ -3865,7 +3873,10 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	if (!(val & PLL_ENABLE))
 		goto out;
 
-	if (IS_DG1(dev_priv)) {
+	if (IS_ALDERLAKE_S(dev_priv)) {
+		hw_state->cfgcr0 = intel_de_read(dev_priv, ADLS_DPLL_CFGCR0(id));
+		hw_state->cfgcr1 = intel_de_read(dev_priv, ADLS_DPLL_CFGCR1(id));
+	} else if (IS_DG1(dev_priv)) {
 		hw_state->cfgcr0 = intel_de_read(dev_priv, DG1_DPLL_CFGCR0(id));
 		hw_state->cfgcr1 = intel_de_read(dev_priv, DG1_DPLL_CFGCR1(id));
 	} else if (IS_ROCKETLAKE(dev_priv)) {
@@ -3921,7 +3932,10 @@ static void icl_dpll_write(struct drm_i915_private *dev_priv,
 	const enum intel_dpll_id id = pll->info->id;
 	i915_reg_t cfgcr0_reg, cfgcr1_reg;
 
-	if (IS_DG1(dev_priv)) {
+	if (IS_ALDERLAKE_S(dev_priv)) {
+		cfgcr0_reg = ADLS_DPLL_CFGCR0(id);
+		cfgcr1_reg = ADLS_DPLL_CFGCR1(id);
+	} else if (IS_DG1(dev_priv)) {
 		cfgcr0_reg = DG1_DPLL_CFGCR0(id);
 		cfgcr1_reg = DG1_DPLL_CFGCR1(id);
 	} else if (IS_ROCKETLAKE(dev_priv)) {
@@ -4384,6 +4398,22 @@ static const struct intel_dpll_mgr dg1_pll_mgr = {
 	.dump_hw_state = icl_dump_hw_state,
 };
 
+static const struct dpll_info adls_plls[] = {
+	{ "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
+	{ "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
+	{ "DPLL 2", &combo_pll_funcs, DPLL_ID_DG1_DPLL2, 0 },
+	{ "DPLL 3", &combo_pll_funcs, DPLL_ID_DG1_DPLL3, 0 },
+	{ },
+};
+
+static const struct intel_dpll_mgr adls_pll_mgr = {
+	.dpll_info = adls_plls,
+	.get_dplls = icl_get_dplls,
+	.put_dplls = icl_put_dplls,
+	.update_ref_clks = icl_update_dpll_ref_clks,
+	.dump_hw_state = icl_dump_hw_state,
+};
+
 /**
  * intel_shared_dpll_init - Initialize shared DPLLs
  * @dev: drm device
@@ -4397,7 +4427,9 @@ void intel_shared_dpll_init(struct drm_device *dev)
 	const struct dpll_info *dpll_info;
 	int i;
 
-	if (IS_DG1(dev_priv))
+	if (IS_ALDERLAKE_S(dev_priv))
+		dpll_mgr = &adls_pll_mgr;
+	else if (IS_DG1(dev_priv))
 		dpll_mgr = &dg1_pll_mgr;
 	else if (IS_ROCKETLAKE(dev_priv))
 		dpll_mgr = &rkl_pll_mgr;
@@ -4567,27 +4599,30 @@ static void readout_dpll_hw_state(struct drm_i915_private *i915,
 						       POWER_DOMAIN_DPLL_DC_OFF);
 	}
 
-	pll->state.crtc_mask = 0;
+	pll->state.pipe_mask = 0;
 	for_each_intel_crtc(&i915->drm, crtc) {
 		struct intel_crtc_state *crtc_state =
 			to_intel_crtc_state(crtc->base.state);
 
 		if (crtc_state->hw.active && crtc_state->shared_dpll == pll)
-			pll->state.crtc_mask |= 1 << crtc->pipe;
+			pll->state.pipe_mask |= BIT(crtc->pipe);
 	}
-	pll->active_mask = pll->state.crtc_mask;
+	pll->active_mask = pll->state.pipe_mask;
 
 	drm_dbg_kms(&i915->drm,
-		    "%s hw state readout: crtc_mask 0x%08x, on %i\n",
-		    pll->info->name, pll->state.crtc_mask, pll->on);
+		    "%s hw state readout: pipe_mask 0x%x, on %i\n",
+		    pll->info->name, pll->state.pipe_mask, pll->on);
 }
 
-void intel_dpll_readout_hw_state(struct drm_i915_private *i915)
+void intel_dpll_update_ref_clks(struct drm_i915_private *i915)
 {
-	int i;
-
 	if (i915->dpll.mgr && i915->dpll.mgr->update_ref_clks)
 		i915->dpll.mgr->update_ref_clks(i915);
+}
+
+void intel_dpll_readout_hw_state(struct drm_i915_private *i915)
+{
+	int i;
 
 	for (i = 0; i < i915->dpll.num_shared_dpll; i++)
 		readout_dpll_hw_state(i915, &i915->dpll.shared_dplls[i]);

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

@@ -241,9 +241,9 @@ struct intel_dpll_hw_state {
  */
 struct intel_shared_dpll_state {
 	/**
-	 * @crtc_mask: mask of CRTC using this DPLL, active or not
+	 * @pipe_mask: mask of pipes using this DPLL, active or not
 	 */
-	unsigned crtc_mask;
+	u8 pipe_mask;
 
 	/**
 	 * @hw_state: hardware configuration for the DPLL stored in
@@ -351,9 +351,9 @@ struct intel_shared_dpll {
 	struct intel_shared_dpll_state state;
 
 	/**
-	 * @active_mask: mask of active CRTCs (i.e. DPMS on) using this DPLL
+	 * @active_mask: mask of active pipes (i.e. DPMS on) using this DPLL
 	 */
-	unsigned active_mask;
+	u8 active_mask;
 
 	/**
 	 * @on: is the PLL actually active? Disabled during modeset
@@ -410,6 +410,7 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_shared_dpll_swap_state(struct intel_atomic_state *state);
 void intel_shared_dpll_init(struct drm_device *dev);
+void intel_dpll_update_ref_clks(struct drm_i915_private *dev_priv);
 void intel_dpll_readout_hw_state(struct drm_i915_private *dev_priv);
 void intel_dpll_sanitize_state(struct drm_i915_private *dev_priv);
 

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

@@ -425,7 +425,7 @@ static void i2c_acpi_find_adapter(struct intel_dsi *intel_dsi,
 				  const u16 slave_addr)
 {
 	struct drm_device *drm_dev = intel_dsi->base.base.dev;
-	struct device *dev = &drm_dev->pdev->dev;
+	struct device *dev = drm_dev->dev;
 	struct acpi_device *acpi_dev;
 	struct list_head resource_list;
 	struct i2c_adapter_lookup lookup;

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

@@ -167,7 +167,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	struct intel_framebuffer *intel_fb = ifbdev->fb;
 	struct drm_device *dev = helper->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	const struct i915_ggtt_view view = {
 		.type = I915_GGTT_VIEW_NORMAL,

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

@@ -3,6 +3,8 @@
  * Copyright © 2020 Intel Corporation
  */
 #include "intel_atomic.h"
+#include "intel_ddi.h"
+#include "intel_ddi_buf_trans.h"
 #include "intel_display_types.h"
 #include "intel_fdi.h"
 
@@ -550,6 +552,142 @@ static void ivb_manual_fdi_link_train(struct intel_crtc *crtc,
 	drm_dbg_kms(&dev_priv->drm, "FDI train done.\n");
 }
 
+/* Starting with Haswell, different DDI ports can work in FDI mode for
+ * connection to the PCH-located connectors. For this, it is necessary to train
+ * both the DDI port and PCH receiver for the desired DDI buffer settings.
+ *
+ * The recommended port to work in FDI mode is DDI E, which we use here. Also,
+ * please note that when FDI mode is active on DDI E, it shares 2 lines with
+ * DDI A (which is used for eDP)
+ */
+void hsw_fdi_link_train(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	u32 temp, i, rx_ctl_val;
+	int n_entries;
+
+	intel_ddi_get_buf_trans_fdi(dev_priv, &n_entries);
+
+	intel_prepare_dp_ddi_buffers(encoder, crtc_state);
+
+	/* Set the FDI_RX_MISC pwrdn lanes and the 2 workarounds listed at the
+	 * mode set "sequence for CRT port" document:
+	 * - TP1 to TP2 time with the default value
+	 * - FDI delay to 90h
+	 *
+	 * WaFDIAutoLinkSetTimingOverrride:hsw
+	 */
+	intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A),
+		       FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2) | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90);
+
+	/* Enable the PCH Receiver FDI PLL */
+	rx_ctl_val = dev_priv->fdi_rx_config | FDI_RX_ENHANCE_FRAME_ENABLE |
+		     FDI_RX_PLL_ENABLE |
+		     FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes);
+	intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val);
+	intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A));
+	udelay(220);
+
+	/* Switch from Rawclk to PCDclk */
+	rx_ctl_val |= FDI_PCDCLK;
+	intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val);
+
+	/* Configure Port Clock Select */
+	drm_WARN_ON(&dev_priv->drm, crtc_state->shared_dpll->info->id != DPLL_ID_SPLL);
+	intel_ddi_enable_clock(encoder, crtc_state);
+
+	/* Start the training iterating through available voltages and emphasis,
+	 * testing each value twice. */
+	for (i = 0; i < n_entries * 2; i++) {
+		/* Configure DP_TP_CTL with auto-training */
+		intel_de_write(dev_priv, DP_TP_CTL(PORT_E),
+			       DP_TP_CTL_FDI_AUTOTRAIN |
+			       DP_TP_CTL_ENHANCED_FRAME_ENABLE |
+			       DP_TP_CTL_LINK_TRAIN_PAT1 |
+			       DP_TP_CTL_ENABLE);
+
+		/* Configure and enable DDI_BUF_CTL for DDI E with next voltage.
+		 * DDI E does not support port reversal, the functionality is
+		 * achieved on the PCH side in FDI_RX_CTL, so no need to set the
+		 * port reversal bit */
+		intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E),
+			       DDI_BUF_CTL_ENABLE | ((crtc_state->fdi_lanes - 1) << 1) | DDI_BUF_TRANS_SELECT(i / 2));
+		intel_de_posting_read(dev_priv, DDI_BUF_CTL(PORT_E));
+
+		udelay(600);
+
+		/* Program PCH FDI Receiver TU */
+		intel_de_write(dev_priv, FDI_RX_TUSIZE1(PIPE_A), TU_SIZE(64));
+
+		/* Enable PCH FDI Receiver with auto-training */
+		rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO;
+		intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val);
+		intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A));
+
+		/* Wait for FDI receiver lane calibration */
+		udelay(30);
+
+		/* Unset FDI_RX_MISC pwrdn lanes */
+		temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A));
+		temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK);
+		intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp);
+		intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A));
+
+		/* Wait for FDI auto training time */
+		udelay(5);
+
+		temp = intel_de_read(dev_priv, DP_TP_STATUS(PORT_E));
+		if (temp & DP_TP_STATUS_AUTOTRAIN_DONE) {
+			drm_dbg_kms(&dev_priv->drm,
+				    "FDI link training done on step %d\n", i);
+			break;
+		}
+
+		/*
+		 * Leave things enabled even if we failed to train FDI.
+		 * Results in less fireworks from the state checker.
+		 */
+		if (i == n_entries * 2 - 1) {
+			drm_err(&dev_priv->drm, "FDI link training failed!\n");
+			break;
+		}
+
+		rx_ctl_val &= ~FDI_RX_ENABLE;
+		intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val);
+		intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A));
+
+		temp = intel_de_read(dev_priv, DDI_BUF_CTL(PORT_E));
+		temp &= ~DDI_BUF_CTL_ENABLE;
+		intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E), temp);
+		intel_de_posting_read(dev_priv, DDI_BUF_CTL(PORT_E));
+
+		/* Disable DP_TP_CTL and FDI_RX_CTL and retry */
+		temp = intel_de_read(dev_priv, DP_TP_CTL(PORT_E));
+		temp &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
+		temp |= DP_TP_CTL_LINK_TRAIN_PAT1;
+		intel_de_write(dev_priv, DP_TP_CTL(PORT_E), temp);
+		intel_de_posting_read(dev_priv, DP_TP_CTL(PORT_E));
+
+		intel_wait_ddi_buf_idle(dev_priv, PORT_E);
+
+		/* Reset FDI_RX_MISC pwrdn lanes */
+		temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A));
+		temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK);
+		temp |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2);
+		intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp);
+		intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A));
+	}
+
+	/* Enable normal pixel sending for FDI */
+	intel_de_write(dev_priv, DP_TP_CTL(PORT_E),
+		       DP_TP_CTL_FDI_AUTOTRAIN |
+		       DP_TP_CTL_LINK_TRAIN_NORMAL |
+		       DP_TP_CTL_ENHANCED_FRAME_ENABLE |
+		       DP_TP_CTL_ENABLE);
+}
+
 void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc);

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

@@ -9,6 +9,7 @@
 struct drm_i915_private;
 struct intel_crtc;
 struct intel_crtc_state;
+struct intel_encoder;
 
 #define I915_DISPLAY_CONFIG_RETRY 1
 int ilk_fdi_compute_config(struct intel_crtc *intel_crtc,
@@ -18,5 +19,7 @@ void ilk_fdi_disable(struct intel_crtc *crtc);
 void ilk_fdi_pll_disable(struct intel_crtc *intel_crtc);
 void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state);
 void intel_fdi_init_hook(struct drm_i915_private *dev_priv);
+void hsw_fdi_link_train(struct intel_encoder *encoder,
+			const struct intel_crtc_state *crtc_state);
 
 #endif

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

@@ -224,6 +224,8 @@ static void frontbuffer_release(struct kref *ref)
 	struct drm_i915_gem_object *obj = front->obj;
 	struct i915_vma *vma;
 
+	drm_WARN_ON(obj->base.dev, atomic_read(&front->bits));
+
 	spin_lock(&obj->vma.lock);
 	for_each_ggtt_vma(vma, obj) {
 		i915_vma_clear_scanout(vma);

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

@@ -840,7 +840,7 @@ static const struct i2c_lock_operations gmbus_lock_ops = {
  */
 int intel_gmbus_setup(struct drm_i915_private *dev_priv)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	struct intel_gmbus *bus;
 	unsigned int pin;
 	int ret;

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

@@ -80,6 +80,7 @@ static struct platform_device *
 lpe_audio_platdev_create(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	struct platform_device_info pinfo = {};
 	struct resource *rsc;
 	struct platform_device *platdev;
@@ -99,9 +100,9 @@ lpe_audio_platdev_create(struct drm_i915_private *dev_priv)
 	rsc[0].flags    = IORESOURCE_IRQ;
 	rsc[0].name     = "hdmi-lpe-audio-irq";
 
-	rsc[1].start    = pci_resource_start(dev->pdev, 0) +
+	rsc[1].start    = pci_resource_start(pdev, 0) +
 		I915_HDMI_LPE_AUDIO_BASE;
-	rsc[1].end      = pci_resource_start(dev->pdev, 0) +
+	rsc[1].end      = pci_resource_start(pdev, 0) +
 		I915_HDMI_LPE_AUDIO_BASE + I915_HDMI_LPE_AUDIO_SIZE - 1;
 	rsc[1].flags    = IORESOURCE_MEM;
 	rsc[1].name     = "hdmi-lpe-audio-mmio";

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

@@ -247,7 +247,7 @@ static int swsci(struct drm_i915_private *dev_priv,
 		 u32 function, u32 parm, u32 *parm_out)
 {
 	struct opregion_swsci *swsci = dev_priv->opregion.swsci;
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u32 main_function, sub_function, scic;
 	u16 swsci_val;
 	u32 dslp;
@@ -807,7 +807,7 @@ static int intel_load_vbt_firmware(struct drm_i915_private *dev_priv)
 	if (!name || !*name)
 		return -ENOENT;
 
-	ret = request_firmware(&fw, name, &dev_priv->drm.pdev->dev);
+	ret = request_firmware(&fw, name, dev_priv->drm.dev);
 	if (ret) {
 		drm_err(&dev_priv->drm,
 			"Requesting VBT firmware \"%s\" failed (%d)\n",
@@ -840,7 +840,7 @@ static int intel_load_vbt_firmware(struct drm_i915_private *dev_priv)
 int intel_opregion_setup(struct drm_i915_private *dev_priv)
 {
 	struct intel_opregion *opregion = &dev_priv->opregion;
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u32 asls, mboxes;
 	char buf[sizeof(OPREGION_SIGNATURE)];
 	int err = 0;

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

@@ -203,7 +203,7 @@ struct intel_overlay {
 static void i830_overlay_clock_gating(struct drm_i915_private *dev_priv,
 				      bool enable)
 {
-	struct pci_dev *pdev = dev_priv->drm.pdev;
+	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	u8 val;
 
 	/* WA_OVERLAY_CLKGATE:alm */