1 files changed, 1222 insertions, 467 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index aabf09f89cad..53a00cf3fa32 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -154,7 +154,7 @@ static void ilk_pch_clock_get(struct intel_crtc *crtc,
 static int intel_framebuffer_init(struct intel_framebuffer *ifb,
 				  struct drm_i915_gem_object *obj,
 				  struct drm_mode_fb_cmd2 *mode_cmd);
-static void intel_set_pipe_timings(const struct intel_crtc_state *crtc_state);
+static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_state);
 static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state);
 static void intel_cpu_transcoder_set_m_n(const struct intel_crtc_state *crtc_state,
 					 const struct intel_link_m_n *m_n,
@@ -1808,6 +1808,17 @@ enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc)
 static u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	u32 mode_flags = crtc->mode_flags;
+
+	/*
+	 * From Gen 11, In case of dsi cmd mode, frame counter wouldnt
+	 * have updated at the beginning of TE, if we want to use
+	 * the hw counter, then we would find it updated in only
+	 * the next TE, hence switching to sw counter.
+	 */
+	if (mode_flags & (I915_MODE_FLAG_DSI_USE_TE0 | I915_MODE_FLAG_DSI_USE_TE1))
+		return 0;
 
 	/*
 	 * On i965gm the hardware frame counter reads
@@ -1990,13 +2001,17 @@ static int ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane)
 	return ccs_plane - fb->format->num_planes / 2;
 }
 
-/* Return either the main plane's CCS or - if not a CCS FB - UV plane */
 int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
 {
+	struct drm_i915_private *i915 = to_i915(fb->dev);
+
 	if (is_ccs_modifier(fb->modifier))
 		return main_to_ccs_plane(fb, main_plane);
-
-	return 1;
+	else if (INTEL_GEN(i915) < 11 &&
+		 intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
+		return 1;
+	else
+		return 0;
 }
 
 bool
@@ -3616,6 +3631,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
 	struct intel_plane *intel_plane = to_intel_plane(primary);
 	struct intel_plane_state *intel_state =
 		to_intel_plane_state(plane_state);
+	struct intel_crtc_state *crtc_state =
+		to_intel_crtc_state(intel_crtc->base.state);
 	struct drm_framebuffer *fb;
 	struct i915_vma *vma;
 
@@ -3638,7 +3655,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
 		if (c == &intel_crtc->base)
 			continue;
 
-		if (!to_intel_crtc(c)->active)
+		if (!to_intel_crtc_state(c->state)->uapi.active)
 			continue;
 
 		state = to_intel_plane_state(c->primary->state);
@@ -3660,6 +3677,11 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
 	 * pretend the BIOS never had it enabled.
 	 */
 	intel_plane_disable_noatomic(intel_crtc, intel_plane);
+	if (crtc_state->bigjoiner) {
+		struct intel_crtc *slave =
+			crtc_state->bigjoiner_linked_crtc;
+		intel_plane_disable_noatomic(slave, to_intel_plane(slave->base.primary));
+	}
 
 	return;
 
@@ -3696,7 +3718,8 @@ valid_fb:
 	drm_framebuffer_get(fb);
 
 	plane_state->crtc = &intel_crtc->base;
-	intel_plane_copy_uapi_to_hw_state(intel_state, intel_state);
+	intel_plane_copy_uapi_to_hw_state(intel_state, intel_state,
+					  intel_crtc);
 
 	intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB);
 
@@ -3704,127 +3727,6 @@ valid_fb:
 		  &to_intel_frontbuffer(fb)->bits);
 }
 
-static int skl_max_plane_width(const struct drm_framebuffer *fb,
-			       int color_plane,
-			       unsigned int rotation)
-{
-	int cpp = fb->format->cpp[color_plane];
-
-	switch (fb->modifier) {
-	case DRM_FORMAT_MOD_LINEAR:
-	case I915_FORMAT_MOD_X_TILED:
-		/*
-		 * Validated limit is 4k, but has 5k should
-		 * work apart from the following features:
-		 * - Ytile (already limited to 4k)
-		 * - FP16 (already limited to 4k)
-		 * - render compression (already limited to 4k)
-		 * - KVMR sprite and cursor (don't care)
-		 * - horizontal panning (TODO verify this)
-		 * - pipe and plane scaling (TODO verify this)
-		 */
-		if (cpp == 8)
-			return 4096;
-		else
-			return 5120;
-	case I915_FORMAT_MOD_Y_TILED_CCS:
-	case I915_FORMAT_MOD_Yf_TILED_CCS:
-	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
-		/* FIXME AUX plane? */
-	case I915_FORMAT_MOD_Y_TILED:
-	case I915_FORMAT_MOD_Yf_TILED:
-		if (cpp == 8)
-			return 2048;
-		else
-			return 4096;
-	default:
-		MISSING_CASE(fb->modifier);
-		return 2048;
-	}
-}
-
-static int glk_max_plane_width(const struct drm_framebuffer *fb,
-			       int color_plane,
-			       unsigned int rotation)
-{
-	int cpp = fb->format->cpp[color_plane];
-
-	switch (fb->modifier) {
-	case DRM_FORMAT_MOD_LINEAR:
-	case I915_FORMAT_MOD_X_TILED:
-		if (cpp == 8)
-			return 4096;
-		else
-			return 5120;
-	case I915_FORMAT_MOD_Y_TILED_CCS:
-	case I915_FORMAT_MOD_Yf_TILED_CCS:
-		/* FIXME AUX plane? */
-	case I915_FORMAT_MOD_Y_TILED:
-	case I915_FORMAT_MOD_Yf_TILED:
-		if (cpp == 8)
-			return 2048;
-		else
-			return 5120;
-	default:
-		MISSING_CASE(fb->modifier);
-		return 2048;
-	}
-}
-
-static int icl_min_plane_width(const struct drm_framebuffer *fb)
-{
-	/* Wa_14011264657, Wa_14011050563: gen11+ */
-	switch (fb->format->format) {
-	case DRM_FORMAT_C8:
-		return 18;
-	case DRM_FORMAT_RGB565:
-		return 10;
-	case DRM_FORMAT_XRGB8888:
-	case DRM_FORMAT_XBGR8888:
-	case DRM_FORMAT_ARGB8888:
-	case DRM_FORMAT_ABGR8888:
-	case DRM_FORMAT_XRGB2101010:
-	case DRM_FORMAT_XBGR2101010:
-	case DRM_FORMAT_ARGB2101010:
-	case DRM_FORMAT_ABGR2101010:
-	case DRM_FORMAT_XVYU2101010:
-	case DRM_FORMAT_Y212:
-	case DRM_FORMAT_Y216:
-		return 6;
-	case DRM_FORMAT_NV12:
-		return 20;
-	case DRM_FORMAT_P010:
-	case DRM_FORMAT_P012:
-	case DRM_FORMAT_P016:
-		return 12;
-	case DRM_FORMAT_XRGB16161616F:
-	case DRM_FORMAT_XBGR16161616F:
-	case DRM_FORMAT_ARGB16161616F:
-	case DRM_FORMAT_ABGR16161616F:
-	case DRM_FORMAT_XVYU12_16161616:
-	case DRM_FORMAT_XVYU16161616:
-		return 4;
-	default:
-		return 1;
-	}
-}
-
-static int icl_max_plane_width(const struct drm_framebuffer *fb,
-			       int color_plane,
-			       unsigned int rotation)
-{
-	return 5120;
-}
-
-static int skl_max_plane_height(void)
-{
-	return 4096;
-}
-
-static int icl_max_plane_height(void)
-{
-	return 4320;
-}
 
 static bool
 skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
@@ -3882,35 +3784,55 @@ intel_plane_fence_y_offset(const struct intel_plane_state *plane_state)
 	return y;
 }
 
+static int intel_plane_min_width(struct intel_plane *plane,
+				 const struct drm_framebuffer *fb,
+				 int color_plane,
+				 unsigned int rotation)
+{
+	if (plane->min_width)
+		return plane->min_width(fb, color_plane, rotation);
+	else
+		return 1;
+}
+
+static int intel_plane_max_width(struct intel_plane *plane,
+				 const struct drm_framebuffer *fb,
+				 int color_plane,
+				 unsigned int rotation)
+{
+	if (plane->max_width)
+		return plane->max_width(fb, color_plane, rotation);
+	else
+		return INT_MAX;
+}
+
+static int intel_plane_max_height(struct intel_plane *plane,
+				  const struct drm_framebuffer *fb,
+				  int color_plane,
+				  unsigned int rotation)
+{
+	if (plane->max_height)
+		return plane->max_height(fb, color_plane, rotation);
+	else
+		return INT_MAX;
+}
+
 static int skl_check_main_surface(struct intel_plane_state *plane_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(plane_state->uapi.plane->dev);
+	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	unsigned int rotation = plane_state->hw.rotation;
 	int x = plane_state->uapi.src.x1 >> 16;
 	int y = plane_state->uapi.src.y1 >> 16;
 	int w = drm_rect_width(&plane_state->uapi.src) >> 16;
 	int h = drm_rect_height(&plane_state->uapi.src) >> 16;
-	int max_width, min_width, max_height;
-	u32 alignment, offset;
+	int min_width = intel_plane_min_width(plane, fb, 0, rotation);
+	int max_width = intel_plane_max_width(plane, fb, 0, rotation);
+	int max_height = intel_plane_max_height(plane, fb, 0, rotation);
 	int aux_plane = intel_main_to_aux_plane(fb, 0);
 	u32 aux_offset = plane_state->color_plane[aux_plane].offset;
-
-	if (INTEL_GEN(dev_priv) >= 11) {
-		max_width = icl_max_plane_width(fb, 0, rotation);
-		min_width = icl_min_plane_width(fb);
-	} else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
-		max_width = glk_max_plane_width(fb, 0, rotation);
-		min_width = 1;
-	} else {
-		max_width = skl_max_plane_width(fb, 0, rotation);
-		min_width = 1;
-	}
-
-	if (INTEL_GEN(dev_priv) >= 11)
-		max_height = icl_max_plane_height();
-	else
-		max_height = skl_max_plane_height();
+	u32 alignment, offset;
 
 	if (w > max_width || w < min_width || h > max_height) {
 		drm_dbg_kms(&dev_priv->drm,
@@ -3930,7 +3852,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 	 * main surface offset, and it must be non-negative. Make
 	 * sure that is what we will get.
 	 */
-	if (offset > aux_offset)
+	if (aux_plane && offset > aux_offset)
 		offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
 							   offset, aux_offset & ~(alignment - 1));
 
@@ -3993,22 +3915,19 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 
 static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 {
-	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
+	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+	struct drm_i915_private *i915 = to_i915(plane->base.dev);
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	unsigned int rotation = plane_state->hw.rotation;
 	int uv_plane = 1;
-	int max_width = skl_max_plane_width(fb, uv_plane, rotation);
-	int max_height = 4096;
+	int max_width = intel_plane_max_width(plane, fb, uv_plane, rotation);
+	int max_height = intel_plane_max_height(plane, fb, uv_plane, rotation);
 	int x = plane_state->uapi.src.x1 >> 17;
 	int y = plane_state->uapi.src.y1 >> 17;
 	int w = drm_rect_width(&plane_state->uapi.src) >> 17;
 	int h = drm_rect_height(&plane_state->uapi.src) >> 17;
 	u32 offset;
 
-	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
-	offset = intel_plane_compute_aligned_offset(&x, &y,
-						    plane_state, uv_plane);
-
 	/* FIXME not quite sure how/if these apply to the chroma plane */
 	if (w > max_width || h > max_height) {
 		drm_dbg_kms(&i915->drm,
@@ -4017,10 +3936,14 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 		return -EINVAL;
 	}
 
+	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
+	offset = intel_plane_compute_aligned_offset(&x, &y,
+						    plane_state, uv_plane);
+
 	if (is_ccs_modifier(fb->modifier)) {
 		int ccs_plane = main_to_ccs_plane(fb, uv_plane);
-		int aux_offset = plane_state->color_plane[ccs_plane].offset;
-		int alignment = intel_surf_alignment(fb, uv_plane);
+		u32 aux_offset = plane_state->color_plane[ccs_plane].offset;
+		u32 alignment = intel_surf_alignment(fb, uv_plane);
 
 		if (offset > aux_offset)
 			offset = intel_plane_adjust_aligned_offset(&x, &y,
@@ -4128,7 +4051,7 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
 	}
 
 	for (i = fb->format->num_planes; i < ARRAY_SIZE(plane_state->color_plane); i++) {
-		plane_state->color_plane[i].offset = ~0xfff;
+		plane_state->color_plane[i].offset = 0;
 		plane_state->color_plane[i].x = 0;
 		plane_state->color_plane[i].y = 0;
 	}
@@ -4392,12 +4315,10 @@ i9xx_plane_check(struct intel_crtc_state *crtc_state,
 	if (ret)
 		return ret;
 
-	ret = drm_atomic_helper_check_plane_state(&plane_state->uapi,
-						  &crtc_state->uapi,
-						  DRM_PLANE_HELPER_NO_SCALING,
-						  DRM_PLANE_HELPER_NO_SCALING,
-						  i9xx_plane_has_windowing(plane),
-						  true);
+	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
+						DRM_PLANE_HELPER_NO_SCALING,
+						DRM_PLANE_HELPER_NO_SCALING,
+						i9xx_plane_has_windowing(plane));
 	if (ret)
 		return ret;
 
@@ -4786,6 +4707,9 @@ u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 	u32 plane_ctl = 0;
 
+	if (crtc_state->uapi.async_flip)
+		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
+
 	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
 		return plane_ctl;
 
@@ -4933,13 +4857,16 @@ static bool gpu_reset_clobbers_display(struct drm_i915_private *dev_priv)
 		intel_has_gpu_reset(&dev_priv->gt));
 }
 
-void intel_prepare_reset(struct drm_i915_private *dev_priv)
+void intel_display_prepare_reset(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
 	struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx;
 	struct drm_atomic_state *state;
 	int ret;
 
+	if (!HAS_DISPLAY(dev_priv))
+		return;
+
 	/* reset doesn't touch the display */
 	if (!dev_priv->params.force_reset_modeset_test &&
 	    !gpu_reset_clobbers_display(dev_priv))
@@ -4993,13 +4920,16 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv)
 	state->acquire_ctx = ctx;
 }
 
-void intel_finish_reset(struct drm_i915_private *dev_priv)
+void intel_display_finish_reset(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
 	struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx;
 	struct drm_atomic_state *state;
 	int ret;
 
+	if (!HAS_DISPLAY(dev_priv))
+		return;
+
 	/* reset doesn't touch the display */
 	if (!test_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags))
 		return;
@@ -5023,18 +4953,14 @@ void intel_finish_reset(struct drm_i915_private *dev_priv)
 		intel_pps_unlock_regs_wa(dev_priv);
 		intel_modeset_init_hw(dev_priv);
 		intel_init_clock_gating(dev_priv);
-
-		spin_lock_irq(&dev_priv->irq_lock);
-		if (dev_priv->display.hpd_irq_setup)
-			dev_priv->display.hpd_irq_setup(dev_priv);
-		spin_unlock_irq(&dev_priv->irq_lock);
+		intel_hpd_init(dev_priv);
 
 		ret = __intel_display_resume(dev, state, ctx);
 		if (ret)
 			drm_err(&dev_priv->drm,
 				"Restoring old state failed with %i\n", ret);
 
-		intel_hpd_init(dev_priv);
+		intel_hpd_poll_disable(dev_priv);
 	}
 
 	drm_atomic_state_put(state);
@@ -6153,18 +6079,16 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
 
 static int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state)
 {
-	const struct drm_display_mode *adjusted_mode =
-		&crtc_state->hw.adjusted_mode;
+	const struct drm_display_mode *pipe_mode = &crtc_state->hw.pipe_mode;
 	int width, height;
 
 	if (crtc_state->pch_pfit.enabled) {
 		width = drm_rect_width(&crtc_state->pch_pfit.dst);
 		height = drm_rect_height(&crtc_state->pch_pfit.dst);
 	} else {
-		width = adjusted_mode->crtc_hdisplay;
-		height = adjusted_mode->crtc_vdisplay;
+		width = pipe_mode->crtc_hdisplay;
+		height = pipe_mode->crtc_vdisplay;
 	}
-
 	return skl_update_scaler(crtc_state, !crtc_state->hw.active,
 				 SKL_CRTC_INDEX,
 				 &crtc_state->scaler_state.scaler_id,
@@ -6275,6 +6199,105 @@ void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state)
 		skl_detach_scaler(crtc, i);
 }
 
+static int cnl_coef_tap(int i)
+{
+	return i % 7;
+}
+
+static u16 cnl_nearest_filter_coef(int t)
+{
+	return t == 3 ? 0x0800 : 0x3000;
+}
+
+/*
+ *  Theory behind setting nearest-neighbor integer scaling:
+ *
+ *  17 phase of 7 taps requires 119 coefficients in 60 dwords per set.
+ *  The letter represents the filter tap (D is the center tap) and the number
+ *  represents the coefficient set for a phase (0-16).
+ *
+ *         +------------+------------------------+------------------------+
+ *         |Index value | Data value coeffient 1 | Data value coeffient 2 |
+ *         +------------+------------------------+------------------------+
+ *         |   00h      |          B0            |          A0            |
+ *         +------------+------------------------+------------------------+
+ *         |   01h      |          D0            |          C0            |
+ *         +------------+------------------------+------------------------+
+ *         |   02h      |          F0            |          E0            |
+ *         +------------+------------------------+------------------------+
+ *         |   03h      |          A1            |          G0            |
+ *         +------------+------------------------+------------------------+
+ *         |   04h      |          C1            |          B1            |
+ *         +------------+------------------------+------------------------+
+ *         |   ...      |          ...           |          ...           |
+ *         +------------+------------------------+------------------------+
+ *         |   38h      |          B16           |          A16           |
+ *         +------------+------------------------+------------------------+
+ *         |   39h      |          D16           |          C16           |
+ *         +------------+------------------------+------------------------+
+ *         |   3Ah      |          F16           |          C16           |
+ *         +------------+------------------------+------------------------+
+ *         |   3Bh      |        Reserved        |          G16           |
+ *         +------------+------------------------+------------------------+
+ *
+ *  To enable nearest-neighbor scaling:  program scaler coefficents with
+ *  the center tap (Dxx) values set to 1 and all other values set to 0 as per
+ *  SCALER_COEFFICIENT_FORMAT
+ *
+ */
+
+static void cnl_program_nearest_filter_coefs(struct drm_i915_private *dev_priv,
+					     enum pipe pipe, int id, int set)
+{
+	int i;
+
+	intel_de_write_fw(dev_priv, CNL_PS_COEF_INDEX_SET(pipe, id, set),
+			  PS_COEE_INDEX_AUTO_INC);
+
+	for (i = 0; i < 17 * 7; i += 2) {
+		u32 tmp;
+		int t;
+
+		t = cnl_coef_tap(i);
+		tmp = cnl_nearest_filter_coef(t);
+
+		t = cnl_coef_tap(i + 1);
+		tmp |= cnl_nearest_filter_coef(t) << 16;
+
+		intel_de_write_fw(dev_priv, CNL_PS_COEF_DATA_SET(pipe, id, set),
+				  tmp);
+	}
+
+	intel_de_write_fw(dev_priv, CNL_PS_COEF_INDEX_SET(pipe, id, set), 0);
+}
+
+inline u32 skl_scaler_get_filter_select(enum drm_scaling_filter filter, int set)
+{
+	if (filter == DRM_SCALING_FILTER_NEAREST_NEIGHBOR) {
+		return (PS_FILTER_PROGRAMMED |
+			PS_Y_VERT_FILTER_SELECT(set) |
+			PS_Y_HORZ_FILTER_SELECT(set) |
+			PS_UV_VERT_FILTER_SELECT(set) |
+			PS_UV_HORZ_FILTER_SELECT(set));
+	}
+
+	return PS_FILTER_MEDIUM;
+}
+
+void skl_scaler_setup_filter(struct drm_i915_private *dev_priv, enum pipe pipe,
+			     int id, int set, enum drm_scaling_filter filter)
+{
+	switch (filter) {
+	case DRM_SCALING_FILTER_DEFAULT:
+		break;
+	case DRM_SCALING_FILTER_NEAREST_NEIGHBOR:
+		cnl_program_nearest_filter_coefs(dev_priv, pipe, id, set);
+		break;
+	default:
+		MISSING_CASE(filter);
+	}
+}
+
 static void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -6295,6 +6318,7 @@ static void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
 	int hscale, vscale;
 	unsigned long irqflags;
 	int id;
+	u32 ps_ctrl;
 
 	if (!crtc_state->pch_pfit.enabled)
 		return;
@@ -6311,10 +6335,16 @@ static void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
 
 	id = scaler_state->scaler_id;
 
+	ps_ctrl = skl_scaler_get_filter_select(crtc_state->hw.scaling_filter, 0);
+	ps_ctrl |=  PS_SCALER_EN | scaler_state->scalers[id].mode;
+
 	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 
-	intel_de_write_fw(dev_priv, SKL_PS_CTRL(pipe, id), PS_SCALER_EN |
-			  PS_FILTER_MEDIUM | scaler_state->scalers[id].mode);
+	skl_scaler_setup_filter(dev_priv, pipe, id, 0,
+				crtc_state->hw.scaling_filter);
+
+	intel_de_write_fw(dev_priv, SKL_PS_CTRL(pipe, id), ps_ctrl);
+
 	intel_de_write_fw(dev_priv, SKL_PS_VPHASE(pipe, id),
 			  PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_vphase));
 	intel_de_write_fw(dev_priv, SKL_PS_HPHASE(pipe, id),
@@ -6560,6 +6590,43 @@ static void intel_post_plane_update(struct intel_atomic_state *state,
 		icl_wa_scalerclkgating(dev_priv, pipe, false);
 }
 
+static void skl_disable_async_flip_wa(struct intel_atomic_state *state,
+				      struct intel_crtc *crtc,
+				      const struct intel_crtc_state *new_crtc_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_plane *plane;
+	struct intel_plane_state *new_plane_state;
+	int i;
+
+	for_each_new_intel_plane_in_state(state, plane, new_plane_state, i) {
+		u32 update_mask = new_crtc_state->update_planes;
+		u32 plane_ctl, surf_addr;
+		enum plane_id plane_id;
+		unsigned long irqflags;
+		enum pipe pipe;
+
+		if (crtc->pipe != plane->pipe ||
+		    !(update_mask & BIT(plane->id)))
+			continue;
+
+		plane_id = plane->id;
+		pipe = plane->pipe;
+
+		spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
+		plane_ctl = intel_de_read_fw(dev_priv, PLANE_CTL(pipe, plane_id));
+		surf_addr = intel_de_read_fw(dev_priv, PLANE_SURF(pipe, plane_id));
+
+		plane_ctl &= ~PLANE_CTL_ASYNC_FLIP;
+
+		intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
+		intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), surf_addr);
+		spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
+	}
+
+	intel_wait_for_vblank(dev_priv, crtc->pipe);
+}
+
 static void intel_pre_plane_update(struct intel_atomic_state *state,
 				   struct intel_crtc *crtc)
 {
@@ -6645,6 +6712,15 @@ static void intel_pre_plane_update(struct intel_atomic_state *state,
 	 */
 	if (IS_GEN(dev_priv, 2) && planes_disabling(old_crtc_state, new_crtc_state))
 		intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
+
+	/*
+	 * WA for platforms where async address update enable bit
+	 * is double buffered and only latched at start of vblank.
+	 */
+	if (old_crtc_state->uapi.async_flip &&
+	    !new_crtc_state->uapi.async_flip &&
+	    IS_GEN_RANGE(dev_priv, 9, 10))
+		skl_disable_async_flip_wa(state, crtc, new_crtc_state);
 }
 
 static void intel_crtc_disable_planes(struct intel_atomic_state *state,
@@ -6944,7 +7020,7 @@ static void ilk_crtc_enable(struct intel_atomic_state *state,
 	if (intel_crtc_has_dp_encoder(new_crtc_state))
 		intel_dp_set_m_n(new_crtc_state, M1_N1);
 
-	intel_set_pipe_timings(new_crtc_state);
+	intel_set_transcoder_timings(new_crtc_state);
 	intel_set_pipe_src_size(new_crtc_state);
 
 	if (new_crtc_state->has_pch_encoder)
@@ -7068,6 +7144,45 @@ static void hsw_set_frame_start_delay(const struct intel_crtc_state *crtc_state)
 	intel_de_write(dev_priv, reg, val);
 }
 
+static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
+					 const struct intel_crtc_state *crtc_state)
+{
+	struct intel_crtc *master = to_intel_crtc(crtc_state->uapi.crtc);
+	struct intel_crtc_state *master_crtc_state;
+	struct drm_connector_state *conn_state;
+	struct drm_connector *conn;
+	struct intel_encoder *encoder = NULL;
+	int i;
+
+	if (crtc_state->bigjoiner_slave)
+		master = crtc_state->bigjoiner_linked_crtc;
+
+	master_crtc_state = intel_atomic_get_new_crtc_state(state, master);
+
+	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
+		if (conn_state->crtc != &master->base)
+			continue;
+
+		encoder = to_intel_encoder(conn_state->best_encoder);
+		break;
+	}
+
+	if (!crtc_state->bigjoiner_slave) {
+		/* need to enable VDSC, which we skipped in pre-enable */
+		intel_dsc_enable(encoder, crtc_state);
+	} else {
+		/*
+		 * Enable sequence steps 1-7 on bigjoiner master
+		 */
+		intel_encoders_pre_pll_enable(state, master);
+		intel_enable_shared_dpll(master_crtc_state);
+		intel_encoders_pre_enable(state, master);
+
+		/* and DSC on slave */
+		intel_dsc_enable(NULL, crtc_state);
+	}
+}
+
 static void hsw_crtc_enable(struct intel_atomic_state *state,
 			    struct intel_crtc *crtc)
 {
@@ -7081,34 +7196,37 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
 	if (drm_WARN_ON(&dev_priv->drm, crtc->active))
 		return;
 
-	intel_encoders_pre_pll_enable(state, crtc);
-
-	if (new_crtc_state->shared_dpll)
-		intel_enable_shared_dpll(new_crtc_state);
+	if (!new_crtc_state->bigjoiner) {
+		intel_encoders_pre_pll_enable(state, crtc);
 
-	intel_encoders_pre_enable(state, crtc);
+		if (new_crtc_state->shared_dpll)
+			intel_enable_shared_dpll(new_crtc_state);
 
-	if (!transcoder_is_dsi(cpu_transcoder))
-		intel_set_pipe_timings(new_crtc_state);
+		intel_encoders_pre_enable(state, crtc);
+	} else {
+		icl_ddi_bigjoiner_pre_enable(state, new_crtc_state);
+	}
 
 	intel_set_pipe_src_size(new_crtc_state);
+	if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
+		bdw_set_pipemisc(new_crtc_state);
 
-	if (cpu_transcoder != TRANSCODER_EDP &&
-	    !transcoder_is_dsi(cpu_transcoder))
-		intel_de_write(dev_priv, PIPE_MULT(cpu_transcoder),
-			       new_crtc_state->pixel_multiplier - 1);
+	if (!new_crtc_state->bigjoiner_slave && !transcoder_is_dsi(cpu_transcoder)) {
+		intel_set_transcoder_timings(new_crtc_state);
 
-	if (new_crtc_state->has_pch_encoder)
-		intel_cpu_transcoder_set_m_n(new_crtc_state,
-					     &new_crtc_state->fdi_m_n, NULL);
+		if (cpu_transcoder != TRANSCODER_EDP)
+			intel_de_write(dev_priv, PIPE_MULT(cpu_transcoder),
+				       new_crtc_state->pixel_multiplier - 1);
+
+		if (new_crtc_state->has_pch_encoder)
+			intel_cpu_transcoder_set_m_n(new_crtc_state,
+						     &new_crtc_state->fdi_m_n, NULL);
 
-	if (!transcoder_is_dsi(cpu_transcoder)) {
 		hsw_set_frame_start_delay(new_crtc_state);
-		hsw_set_pipeconf(new_crtc_state);
 	}
 
-	if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
-		bdw_set_pipemisc(new_crtc_state);
+	if (!transcoder_is_dsi(cpu_transcoder))
+		hsw_set_pipeconf(new_crtc_state);
 
 	crtc->active = true;
 
@@ -7144,6 +7262,11 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
 	if (INTEL_GEN(dev_priv) >= 11)
 		icl_pipe_mbus_enable(crtc);
 
+	if (new_crtc_state->bigjoiner_slave) {
+		trace_intel_pipe_enable(crtc);
+		intel_crtc_vblank_on(new_crtc_state);
+	}
+
 	intel_encoders_enable(state, crtc);
 
 	if (psl_clkgate_wa) {
@@ -7273,9 +7396,9 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
 {
 	if (phy == PHY_NONE)
 		return false;
-	else if (IS_ROCKETLAKE(dev_priv))
+	else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
 		return phy <= PHY_D;
-	else if (IS_ELKHARTLAKE(dev_priv))
+	else if (IS_JSL_EHL(dev_priv))
 		return phy <= PHY_C;
 	else if (INTEL_GEN(dev_priv) >= 11)
 		return phy <= PHY_B;
@@ -7285,11 +7408,11 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
 
 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
 {
-	if (IS_ROCKETLAKE(dev_priv))
+	if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
 		return false;
 	else if (INTEL_GEN(dev_priv) >= 12)
 		return phy >= PHY_D && phy <= PHY_I;
-	else if (INTEL_GEN(dev_priv) >= 11 && !IS_ELKHARTLAKE(dev_priv))
+	else if (INTEL_GEN(dev_priv) >= 11 && !IS_JSL_EHL(dev_priv))
 		return phy >= PHY_C && phy <= PHY_F;
 	else
 		return false;
@@ -7297,23 +7420,23 @@ bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
 
 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port)
 {
-	if (IS_ROCKETLAKE(i915) && port >= PORT_D)
-		return (enum phy)port - 1;
-	else if (IS_ELKHARTLAKE(i915) && port == PORT_D)
+	if ((IS_DG1(i915) || IS_ROCKETLAKE(i915)) && port >= PORT_TC1)
+		return PHY_C + port - PORT_TC1;
+	else if (IS_JSL_EHL(i915) && port == PORT_D)
 		return PHY_A;
 
-	return (enum phy)port;
+	return PHY_A + port - PORT_A;
 }
 
 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port)
 {
 	if (!intel_phy_is_tc(dev_priv, intel_port_to_phy(dev_priv, port)))
-		return PORT_TC_NONE;
+		return TC_PORT_NONE;
 
 	if (INTEL_GEN(dev_priv) >= 12)
-		return port - PORT_D;
-
-	return port - PORT_C;
+		return TC_PORT_1 + port - PORT_TC1;
+	else
+		return TC_PORT_1 + port - PORT_C;
 }
 
 enum intel_display_power_domain intel_port_to_power_domain(enum port port)
@@ -7438,6 +7561,9 @@ static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state)
 	if (crtc_state->shared_dpll)
 		mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE);
 
+	if (crtc_state->dsc.compression_enable)
+		mask |= BIT_ULL(intel_dsc_power_domain(crtc_state));
+
 	return mask;
 }
 
@@ -7484,7 +7610,7 @@ static void valleyview_crtc_enable(struct intel_atomic_state *state,
 	if (intel_crtc_has_dp_encoder(new_crtc_state))
 		intel_dp_set_m_n(new_crtc_state, M1_N1);
 
-	intel_set_pipe_timings(new_crtc_state);
+	intel_set_transcoder_timings(new_crtc_state);
 	intel_set_pipe_src_size(new_crtc_state);
 
 	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
@@ -7552,7 +7678,7 @@ static void i9xx_crtc_enable(struct intel_atomic_state *state,
 	if (intel_crtc_has_dp_encoder(new_crtc_state))
 		intel_dp_set_m_n(new_crtc_state, M1_N1);
 
-	intel_set_pipe_timings(new_crtc_state);
+	intel_set_transcoder_timings(new_crtc_state);
 	intel_set_pipe_src_size(new_crtc_state);
 
 	i9xx_set_pipeconf(new_crtc_state);
@@ -8026,7 +8152,7 @@ static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc)
 
 static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *crtc_state)
 {
-	u32 pixel_rate = crtc_state->hw.adjusted_mode.crtc_clock;
+	u32 pixel_rate = crtc_state->hw.pipe_mode.crtc_clock;
 	unsigned int pipe_w, pipe_h, pfit_w, pfit_h;
 
 	/*
@@ -8056,6 +8182,27 @@ static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *crtc_state)
 		       pfit_w * pfit_h);
 }
 
+static void intel_mode_from_crtc_timings(struct drm_display_mode *mode,
+					 const struct drm_display_mode *timings)
+{
+	mode->hdisplay = timings->crtc_hdisplay;
+	mode->htotal = timings->crtc_htotal;
+	mode->hsync_start = timings->crtc_hsync_start;
+	mode->hsync_end = timings->crtc_hsync_end;
+
+	mode->vdisplay = timings->crtc_vdisplay;
+	mode->vtotal = timings->crtc_vtotal;
+	mode->vsync_start = timings->crtc_vsync_start;
+	mode->vsync_end = timings->crtc_vsync_end;
+
+	mode->flags = timings->flags;
+	mode->type = DRM_MODE_TYPE_DRIVER;
+
+	mode->clock = timings->crtc_clock;
+
+	drm_mode_set_name(mode);
+}
+
 static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
@@ -8063,19 +8210,75 @@ static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
 	if (HAS_GMCH(dev_priv))
 		/* FIXME calculate proper pipe pixel rate for GMCH pfit */
 		crtc_state->pixel_rate =
-			crtc_state->hw.adjusted_mode.crtc_clock;
+			crtc_state->hw.pipe_mode.crtc_clock;
 	else
 		crtc_state->pixel_rate =
 			ilk_pipe_pixel_rate(crtc_state);
 }
 
+static void intel_crtc_readout_derived_state(struct intel_crtc_state *crtc_state)
+{
+	struct drm_display_mode *mode = &crtc_state->hw.mode;
+	struct drm_display_mode *pipe_mode = &crtc_state->hw.pipe_mode;
+	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+
+	drm_mode_copy(pipe_mode, adjusted_mode);
+
+	if (crtc_state->bigjoiner) {
+		/*
+		 * transcoder is programmed to the full mode,
+		 * but pipe timings are half of the transcoder mode
+		 */
+		pipe_mode->crtc_hdisplay /= 2;
+		pipe_mode->crtc_hblank_start /= 2;
+		pipe_mode->crtc_hblank_end /= 2;
+		pipe_mode->crtc_hsync_start /= 2;
+		pipe_mode->crtc_hsync_end /= 2;
+		pipe_mode->crtc_htotal /= 2;
+		pipe_mode->crtc_clock /= 2;
+	}
+
+	intel_mode_from_crtc_timings(pipe_mode, pipe_mode);
+	intel_mode_from_crtc_timings(adjusted_mode, adjusted_mode);
+
+	intel_crtc_compute_pixel_rate(crtc_state);
+
+	drm_mode_copy(mode, adjusted_mode);
+	mode->hdisplay = crtc_state->pipe_src_w << crtc_state->bigjoiner;
+	mode->vdisplay = crtc_state->pipe_src_h;
+}
+
+static void intel_encoder_get_config(struct intel_encoder *encoder,
+				     struct intel_crtc_state *crtc_state)
+{
+	encoder->get_config(encoder, crtc_state);
+
+	intel_crtc_readout_derived_state(crtc_state);
+}
+
 static int intel_crtc_compute_config(struct intel_crtc *crtc,
 				     struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+	struct drm_display_mode *pipe_mode = &pipe_config->hw.pipe_mode;
 	int clock_limit = dev_priv->max_dotclk_freq;
 
+	drm_mode_copy(pipe_mode, &pipe_config->hw.adjusted_mode);
+
+	/* Adjust pipe_mode for bigjoiner, with half the horizontal mode */
+	if (pipe_config->bigjoiner) {
+		pipe_mode->crtc_clock /= 2;
+		pipe_mode->crtc_hdisplay /= 2;
+		pipe_mode->crtc_hblank_start /= 2;
+		pipe_mode->crtc_hblank_end /= 2;
+		pipe_mode->crtc_hsync_start /= 2;
+		pipe_mode->crtc_hsync_end /= 2;
+		pipe_mode->crtc_htotal /= 2;
+		pipe_config->pipe_src_w /= 2;
+	}
+
+	intel_mode_from_crtc_timings(pipe_mode, pipe_mode);
+
 	if (INTEL_GEN(dev_priv) < 4) {
 		clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
 
@@ -8084,16 +8287,16 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
 		 * is > 90% of the (display) core speed.
 		 */
 		if (intel_crtc_supports_double_wide(crtc) &&
-		    adjusted_mode->crtc_clock > clock_limit) {
+		    pipe_mode->crtc_clock > clock_limit) {
 			clock_limit = dev_priv->max_dotclk_freq;
 			pipe_config->double_wide = true;
 		}
 	}
 
-	if (adjusted_mode->crtc_clock > clock_limit) {
+	if (pipe_mode->crtc_clock > clock_limit) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n",
-			    adjusted_mode->crtc_clock, clock_limit,
+			    pipe_mode->crtc_clock, clock_limit,
 			    yesno(pipe_config->double_wide));
 		return -EINVAL;
 	}
@@ -8136,7 +8339,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
 	 * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw.
 	 */
 	if ((INTEL_GEN(dev_priv) > 4 || IS_G4X(dev_priv)) &&
-		adjusted_mode->crtc_hsync_start == adjusted_mode->crtc_hdisplay)
+	    pipe_mode->crtc_hsync_start == pipe_mode->crtc_hdisplay)
 		return -EINVAL;
 
 	intel_crtc_compute_pi