[PATCH] squash! drm/i915: Add format modifiers for Intel

[Ben Widawsky]

make sprite and cursor have separate functions
---

Ville, I think this addresses most of your comments. I'm guessing you're going
to ask for separate gen sprite plane functions, but I think this looks pretty
decent as is.
---

 drivers/gpu/drm/i915/intel_display.c | 26 ++++++++++++------
 drivers/gpu/drm/i915/intel_sprite.c  | 51 ++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a5edcc910f4a..3f7ce8c39bc8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13535,18 +13535,16 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier)
 	}
 }
 
-static bool intel_plane_format_mod_supported(struct drm_plane *plane,
-					     uint32_t format,
-					     uint64_t modifier)
+static bool intel_primary_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;
 
-	if (plane->base.type == DRM_PLANE_TYPE_PRIMARY)
-		return modifier == DRM_FORMAT_MOD_LINEAR &&
-			format == DRM_FORMAT_ARGB8888;
+	BUG_ON(plane->base.type != DRM_PLANE_TYPE_PRIMARY);
 
 	if (INTEL_GEN(dev_priv) >= 9)
 		return skl_mod_supported(format, modifier);
@@ -13558,6 +13556,18 @@ static bool intel_plane_format_mod_supported(struct drm_plane *plane,
 	return false;
 }
 
+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;
+
+	BUG_ON(plane->base.type != DRM_PLANE_TYPE_CURSOR);
+
+	return modifier == DRM_FORMAT_MOD_LINEAR && format == DRM_FORMAT_ARGB8888;
+}
+
 const struct drm_plane_funcs intel_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
@@ -13567,7 +13577,7 @@ const 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_plane_format_mod_supported,
+	.format_mod_supported = intel_primary_plane_format_mod_supported,
 };
 
 static int
@@ -13704,7 +13714,7 @@ 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_plane_format_mod_supported,
+	.format_mod_supported = intel_cursor_plane_format_mod_supported,
 };
 
 static struct intel_plane *
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index bf18d9edc66f..dae8e8a943b9 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -30,6 +30,7 @@
  * support.
  */
 #include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_rect.h>
@@ -1102,6 +1103,56 @@ static const uint64_t skl_plane_format_modifiers[] = {
 	DRM_FORMAT_MOD_INVALID
 };
 
+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;
+
+        BUG_ON(plane->base.type != DRM_PLANE_TYPE_OVERLAY);
+
+	switch (format) {
+		case DRM_FORMAT_XBGR2101010:
+		case DRM_FORMAT_ABGR2101010:
+			if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+				return true;
+			break;
+		case DRM_FORMAT_RGB565:
+		case DRM_FORMAT_ABGR8888:
+		case DRM_FORMAT_ARGB8888:
+			if (INTEL_GEN(dev_priv) >= 9 || IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+				return true;
+			break;
+		case DRM_FORMAT_XBGR8888:
+			if (INTEL_GEN(dev_priv) >= 6)
+				return true;
+			break;
+		case DRM_FORMAT_XRGB8888:
+		case DRM_FORMAT_YUYV:
+		case DRM_FORMAT_YVYU:
+		case DRM_FORMAT_UYVY:
+		case DRM_FORMAT_VYUY:
+			return true;
+	}
+
+        return false;
+}
+
+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,
+        .set_property = drm_atomic_helper_plane_set_property,
+        .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,
+};
+
 struct intel_plane *
 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, int plane)
-- 
2.12.1