[PATCH] drm/i915: Promote .format_mod_supported() to the lead role

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Up to now we've used the plane's modifier list as the primary
source of information for which modifiers are supported by a
given plane. In order to allow auxiliary metadata to be embedded
within the bits of the modifier we need to stop doing that.

Thus we have to make .format_mod_supported() aware of the plane's
capabilities and gracefully deal with any modifier being passed
in directly from userspace.

Cc: Eric Anholt <eric@xxxxxxxxxx>
References: https://lists.freedesktop.org/archives/dri-devel/2018-March/169782.html
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 147 +++++++++++++++-----------
 drivers/gpu/drm/i915/intel_drv.h     |   1 +
 drivers/gpu/drm/i915/intel_sprite.c  | 194 ++++++++++++++++++++++-------------
 3 files changed, 210 insertions(+), 132 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3e7ab75e1b41..d717004be0b8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -88,15 +88,7 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
-static const uint64_t skl_format_modifiers_noccs[] = {
-	I915_FORMAT_MOD_Yf_TILED,
-	I915_FORMAT_MOD_Y_TILED,
-	I915_FORMAT_MOD_X_TILED,
-	DRM_FORMAT_MOD_LINEAR,
-	DRM_FORMAT_MOD_INVALID
-};
-
-static const uint64_t skl_format_modifiers_ccs[] = {
+static const uint64_t skl_format_modifiers[] = {
 	I915_FORMAT_MOD_Yf_TILED_CCS,
 	I915_FORMAT_MOD_Y_TILED_CCS,
 	I915_FORMAT_MOD_Yf_TILED,
@@ -12997,8 +12989,17 @@ void intel_plane_destroy(struct drm_plane *plane)
 	kfree(to_intel_plane(plane));
 }
 
-static bool i8xx_mod_supported(uint32_t format, uint64_t modifier)
+static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
+					    u32 format, u64 modifier)
 {
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_C8:
 	case DRM_FORMAT_RGB565:
@@ -13011,8 +13012,17 @@ static bool i8xx_mod_supported(uint32_t format, uint64_t modifier)
 	}
 }
 
-static bool i965_mod_supported(uint32_t format, uint64_t modifier)
+static bool i965_plane_format_mod_supported(struct drm_plane *_plane,
+					    u32 format, u64 modifier)
 {
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_C8:
 	case DRM_FORMAT_RGB565:
@@ -13027,17 +13037,37 @@ static bool i965_mod_supported(uint32_t format, uint64_t modifier)
 	}
 }
 
-static bool skl_mod_supported(uint32_t format, uint64_t modifier)
+static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
+					   u32 format, u64 modifier)
 {
+	struct intel_plane *plane = to_intel_plane(_plane);
+
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+	case I915_FORMAT_MOD_Y_TILED:
+	case I915_FORMAT_MOD_Yf_TILED:
+		break;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		if (!plane->has_ccs)
+			return false;
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_XBGR8888:
 	case DRM_FORMAT_ARGB8888:
 	case DRM_FORMAT_ABGR8888:
-		if (modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-		    modifier == I915_FORMAT_MOD_Y_TILED_CCS)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED ||
+			modifier == I915_FORMAT_MOD_Yf_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+			modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
 	case DRM_FORMAT_RGB565:
 	case DRM_FORMAT_XRGB2101010:
 	case DRM_FORMAT_XBGR2101010:
@@ -13045,52 +13075,49 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier)
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
-		if (modifier == I915_FORMAT_MOD_Yf_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED ||
+			modifier == I915_FORMAT_MOD_Yf_TILED;
 	case DRM_FORMAT_C8:
-		if (modifier == DRM_FORMAT_MOD_LINEAR ||
-		    modifier == I915_FORMAT_MOD_X_TILED ||
-		    modifier == I915_FORMAT_MOD_Y_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED;
 	default:
 		return false;
 	}
 }
 
-static bool intel_primary_plane_format_mod_supported(struct drm_plane *plane,
-						     uint32_t format,
-						     uint64_t modifier)
+static bool intel_cursor_format_mod_supported(struct drm_plane *_plane,
+					      u32 format, u64 modifier)
 {
-	struct drm_i915_private *dev_priv = to_i915(plane->dev);
-
-	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))
-		return false;
-
-	if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_INTEL &&
-	    modifier != DRM_FORMAT_MOD_LINEAR)
-		return false;
-
-	if (INTEL_GEN(dev_priv) >= 9)
-		return skl_mod_supported(format, modifier);
-	else if (INTEL_GEN(dev_priv) >= 4)
-		return i965_mod_supported(format, modifier);
-	else
-		return i8xx_mod_supported(format, modifier);
+	return modifier == DRM_FORMAT_MOD_LINEAR &&
+		format == DRM_FORMAT_ARGB8888;
 }
 
-static bool intel_cursor_plane_format_mod_supported(struct drm_plane *plane,
-						    uint32_t format,
-						    uint64_t modifier)
-{
-	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))
-		return false;
+static struct drm_plane_funcs skl_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = skl_plane_format_mod_supported,
+};
 
-	return modifier == DRM_FORMAT_MOD_LINEAR && format == DRM_FORMAT_ARGB8888;
-}
+static struct drm_plane_funcs i965_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = i965_plane_format_mod_supported,
+};
 
-static struct drm_plane_funcs intel_plane_funcs = {
+static struct drm_plane_funcs i8xx_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
 	.destroy = intel_plane_destroy,
@@ -13098,7 +13125,7 @@ static struct drm_plane_funcs intel_plane_funcs = {
 	.atomic_set_property = intel_plane_atomic_set_property,
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
-	.format_mod_supported = intel_primary_plane_format_mod_supported,
+	.format_mod_supported = i8xx_plane_format_mod_supported,
 };
 
 static int
@@ -13223,7 +13250,7 @@ static const struct drm_plane_funcs intel_cursor_plane_funcs = {
 	.atomic_set_property = intel_plane_atomic_set_property,
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
-	.format_mod_supported = intel_cursor_plane_format_mod_supported,
+	.format_mod_supported = intel_cursor_format_mod_supported,
 };
 
 static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
@@ -13314,11 +13341,10 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 	if (INTEL_GEN(dev_priv) >= 9) {
 		intel_primary_formats = skl_primary_formats;
 		num_formats = ARRAY_SIZE(skl_primary_formats);
+		modifiers = skl_format_modifiers;
 
-		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_PRIMARY))
-			modifiers = skl_format_modifiers_ccs;
-		else
-			modifiers = skl_format_modifiers_noccs;
+		primary->has_ccs = skl_plane_has_ccs(dev_priv, pipe,
+						     PLANE_PRIMARY);
 
 		primary->update_plane = skl_update_plane;
 		primary->disable_plane = skl_disable_plane;
@@ -13343,21 +13369,22 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 
 	if (INTEL_GEN(dev_priv) >= 9)
 		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
-					       0, &intel_plane_funcs,
+					       0, &skl_plane_funcs,
 					       intel_primary_formats, num_formats,
 					       modifiers,
 					       DRM_PLANE_TYPE_PRIMARY,
 					       "plane 1%c", pipe_name(pipe));
 	else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
 		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
-					       0, &intel_plane_funcs,
+					       0, &i965_plane_funcs,
 					       intel_primary_formats, num_formats,
 					       modifiers,
 					       DRM_PLANE_TYPE_PRIMARY,
 					       "primary %c", pipe_name(pipe));
 	else
 		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,
-					       0, &intel_plane_funcs,
+					       0, IS_GEN4(dev_priv) ?
+					       &i965_plane_funcs : &i8xx_plane_funcs,
 					       intel_primary_formats, num_formats,
 					       modifiers,
 					       DRM_PLANE_TYPE_PRIMARY,
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a215aa78b0be..e0b70c563e9f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -937,6 +937,7 @@ struct intel_plane {
 	enum pipe pipe;
 	bool can_scale;
 	bool has_fbc;
+	bool has_ccs;
 	int max_downscale;
 	uint32_t frontbuffer_bit;
 
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index dbdcf85032df..f4dbdd6d1ddc 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1248,15 +1248,7 @@ static uint32_t skl_plane_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
-static const uint64_t skl_plane_format_modifiers_noccs[] = {
-	I915_FORMAT_MOD_Yf_TILED,
-	I915_FORMAT_MOD_Y_TILED,
-	I915_FORMAT_MOD_X_TILED,
-	DRM_FORMAT_MOD_LINEAR,
-	DRM_FORMAT_MOD_INVALID
-};
-
-static const uint64_t skl_plane_format_modifiers_ccs[] = {
+static const uint64_t skl_plane_format_modifiers[] = {
 	I915_FORMAT_MOD_Yf_TILED_CCS,
 	I915_FORMAT_MOD_Y_TILED_CCS,
 	I915_FORMAT_MOD_Yf_TILED,
@@ -1266,25 +1258,41 @@ static const uint64_t skl_plane_format_modifiers_ccs[] = {
 	DRM_FORMAT_MOD_INVALID
 };
 
-static bool g4x_mod_supported(uint32_t format, uint64_t modifier)
+static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,
+					    u32 format, u64 modifier)
 {
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
-		if (modifier == DRM_FORMAT_MOD_LINEAR ||
-		    modifier == I915_FORMAT_MOD_X_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED;
 	default:
 		return false;
 	}
 }
 
-static bool snb_mod_supported(uint32_t format, uint64_t modifier)
+static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,
+					    u32 format, u64 modifier)
 {
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_XBGR8888:
@@ -1292,17 +1300,24 @@ static bool snb_mod_supported(uint32_t format, uint64_t modifier)
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
-		if (modifier == DRM_FORMAT_MOD_LINEAR ||
-		    modifier == I915_FORMAT_MOD_X_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED;
 	default:
 		return false;
 	}
 }
 
-static bool vlv_mod_supported(uint32_t format, uint64_t modifier)
+static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,
+					    u32 format, u64 modifier)
 {
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_RGB565:
 	case DRM_FORMAT_ABGR8888:
@@ -1315,26 +1330,44 @@ static bool vlv_mod_supported(uint32_t format, uint64_t modifier)
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
-		if (modifier == DRM_FORMAT_MOD_LINEAR ||
-		    modifier == I915_FORMAT_MOD_X_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED;
 	default:
 		return false;
 	}
 }
 
-static bool skl_mod_supported(uint32_t format, uint64_t modifier)
+static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
+					   u32 format, u64 modifier)
 {
+	struct intel_plane *plane = to_intel_plane(_plane);
+
+	switch (modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+	case I915_FORMAT_MOD_X_TILED:
+	case I915_FORMAT_MOD_Y_TILED:
+	case I915_FORMAT_MOD_Yf_TILED:
+		break;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		if (!plane->has_ccs)
+			return false;
+		break;
+	default:
+		return false;
+	}
+
 	switch (format) {
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_XBGR8888:
 	case DRM_FORMAT_ARGB8888:
 	case DRM_FORMAT_ABGR8888:
-		if (modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-		    modifier == I915_FORMAT_MOD_Y_TILED_CCS)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED ||
+			modifier == I915_FORMAT_MOD_Yf_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+			modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
 	case DRM_FORMAT_RGB565:
 	case DRM_FORMAT_XRGB2101010:
 	case DRM_FORMAT_XBGR2101010:
@@ -1342,52 +1375,61 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier)
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
-		if (modifier == I915_FORMAT_MOD_Yf_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED ||
+			modifier == I915_FORMAT_MOD_Yf_TILED;
 	case DRM_FORMAT_C8:
-		if (modifier == DRM_FORMAT_MOD_LINEAR ||
-		    modifier == I915_FORMAT_MOD_X_TILED ||
-		    modifier == I915_FORMAT_MOD_Y_TILED)
-			return true;
-		/* fall through */
+		return modifier == DRM_FORMAT_MOD_LINEAR ||
+			modifier == I915_FORMAT_MOD_X_TILED ||
+			modifier == I915_FORMAT_MOD_Y_TILED;
 	default:
 		return false;
 	}
 }
 
-static bool intel_sprite_plane_format_mod_supported(struct drm_plane *plane,
-                                                    uint32_t format,
-                                                    uint64_t modifier)
-{
-	struct drm_i915_private *dev_priv = to_i915(plane->dev);
-
-	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))
-		return false;
+static const struct drm_plane_funcs g4x_sprite_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = g4x_sprite_format_mod_supported,
+};
 
-	if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_INTEL &&
-	    modifier != DRM_FORMAT_MOD_LINEAR)
-		return false;
+static const struct drm_plane_funcs snb_sprite_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = snb_sprite_format_mod_supported,
+};
 
-	if (INTEL_GEN(dev_priv) >= 9)
-		return skl_mod_supported(format, modifier);
-	else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
-		return vlv_mod_supported(format, modifier);
-	else if (INTEL_GEN(dev_priv) >= 6)
-		return snb_mod_supported(format, modifier);
-	else
-		return g4x_mod_supported(format, modifier);
-}
+static const struct drm_plane_funcs vlv_sprite_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = vlv_sprite_format_mod_supported,
+};
 
-static const struct drm_plane_funcs intel_sprite_plane_funcs = {
-        .update_plane = drm_atomic_helper_update_plane,
-        .disable_plane = drm_atomic_helper_disable_plane,
-        .destroy = intel_plane_destroy,
-        .atomic_get_property = intel_plane_atomic_get_property,
-        .atomic_set_property = intel_plane_atomic_set_property,
-        .atomic_duplicate_state = intel_plane_duplicate_state,
-        .atomic_destroy_state = intel_plane_destroy_state,
-        .format_mod_supported = intel_sprite_plane_format_mod_supported,
+static const struct drm_plane_funcs skl_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_get_property = intel_plane_atomic_get_property,
+	.atomic_set_property = intel_plane_atomic_set_property,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = skl_plane_format_mod_supported,
 };
 
 bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
@@ -1413,6 +1455,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 {
 	struct intel_plane *intel_plane = NULL;
 	struct intel_plane_state *state = NULL;
+	const struct drm_plane_funcs *plane_funcs;
 	unsigned long possible_crtcs;
 	const uint32_t *plane_formats;
 	const uint64_t *modifiers;
@@ -1436,6 +1479,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 	if (INTEL_GEN(dev_priv) >= 9) {
 		intel_plane->can_scale = true;
 		state->scaler_id = -1;
+		intel_plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe,
+							 PLANE_SPRITE0 + plane);
 
 		intel_plane->update_plane = skl_update_plane;
 		intel_plane->disable_plane = skl_disable_plane;
@@ -1443,11 +1488,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 
 		plane_formats = skl_plane_formats;
 		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		modifiers = skl_plane_format_modifiers;
 
-		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane))
-			modifiers = skl_plane_format_modifiers_ccs;
-		else
-			modifiers = skl_plane_format_modifiers_noccs;
+		plane_funcs = &skl_plane_funcs;
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_plane->can_scale = false;
 		intel_plane->max_downscale = 1;
@@ -1459,6 +1502,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 		plane_formats = vlv_plane_formats;
 		num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
 		modifiers = i9xx_plane_format_modifiers;
+
+		plane_funcs = &vlv_sprite_funcs;
 	} else if (INTEL_GEN(dev_priv) >= 7) {
 		if (IS_IVYBRIDGE(dev_priv)) {
 			intel_plane->can_scale = true;
@@ -1475,6 +1520,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 		plane_formats = snb_plane_formats;
 		num_plane_formats = ARRAY_SIZE(snb_plane_formats);
 		modifiers = i9xx_plane_format_modifiers;
+
+		plane_funcs = &snb_sprite_funcs;
 	} else {
 		intel_plane->can_scale = true;
 		intel_plane->max_downscale = 16;
@@ -1491,6 +1538,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			plane_formats = g4x_plane_formats;
 			num_plane_formats = ARRAY_SIZE(g4x_plane_formats);
 		}
+
+		plane_funcs = IS_GEN6(dev_priv) ?
+			&snb_sprite_funcs : &g4x_sprite_funcs;
 	}
 
 	if (INTEL_GEN(dev_priv) >= 9) {
@@ -1516,14 +1566,14 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 
 	if (INTEL_GEN(dev_priv) >= 9)
 		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
-					       possible_crtcs, &intel_sprite_plane_funcs,
+					       possible_crtcs, plane_funcs,
 					       plane_formats, num_plane_formats,
 					       modifiers,
 					       DRM_PLANE_TYPE_OVERLAY,
 					       "plane %d%c", plane + 2, pipe_name(pipe));
 	else
 		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
-					       possible_crtcs, &intel_sprite_plane_funcs,
+					       possible_crtcs, plane_funcs,
 					       plane_formats, num_plane_formats,
 					       modifiers,
 					       DRM_PLANE_TYPE_OVERLAY,
-- 
2.16.1

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