Currently there is some duplication of pixel format and modifier
validation code between the fb creation and plane check paths. We can
unify them by checking if any plane supports a pixel format and modifier
combination during framebuffer creation.

Suggested-by: Ville Syrjälä <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Dhinakaran Pandiyan <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 116 ++++++-----------------------------
 1 file changed, 19 insertions(+), 97 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index fe045abb6472..1b5d936a93d0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14362,6 +14362,19 @@ u32 intel_fb_pitch_limit(struct drm_i915_private 
*dev_priv,
                                 DRM_MODE_ROTATE_0);
 }
 
+static bool any_plane_supports_format(struct drm_i915_private *dev_priv,
+                                            uint64_t fb_modifier,
+                                            uint32_t pixel_format)
+{
+       struct drm_plane *plane;
+
+       drm_for_each_plane(plane, &dev_priv->drm)
+               if (!drm_plane_check_pixel_format(plane, pixel_format,
+                                                 fb_modifier))
+                       return true;
+       return false;
+}
+
 static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
                                  struct drm_i915_gem_object *obj,
                                  struct drm_mode_fb_cmd2 *mode_cmd)
@@ -14399,40 +14412,12 @@ static int intel_framebuffer_init(struct 
intel_framebuffer *intel_fb,
                }
        }
 
-       /* Passed in modifier sanity checking. */
-       switch (mode_cmd->modifier[0]) {
-       case I915_FORMAT_MOD_Y_TILED_CCS:
-       case I915_FORMAT_MOD_Yf_TILED_CCS:
-               switch (mode_cmd->pixel_format) {
-               case DRM_FORMAT_XBGR8888:
-               case DRM_FORMAT_ABGR8888:
-               case DRM_FORMAT_XRGB8888:
-               case DRM_FORMAT_ARGB8888:
-                       break;
-               default:
-                       DRM_DEBUG_KMS("RC supported only with RGB8888 
formats\n");
-                       goto err;
-               }
-               /* fall through */
-       case I915_FORMAT_MOD_Yf_TILED:
-               if (mode_cmd->pixel_format == DRM_FORMAT_C8) {
-                       DRM_DEBUG_KMS("Indexed format does not support Yf 
tiling\n");
-                       goto err;
-               }
-               /* fall through */
-       case I915_FORMAT_MOD_Y_TILED:
-               if (INTEL_GEN(dev_priv) < 9) {
-                       DRM_DEBUG_KMS("Unsupported tiling 0x%llx!\n",
-                                     mode_cmd->modifier[0]);
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_MOD_LINEAR:
-       case I915_FORMAT_MOD_X_TILED:
-               break;
-       default:
-               DRM_DEBUG_KMS("Unsupported fb modifier 0x%llx!\n",
-                             mode_cmd->modifier[0]);
+       if (!any_plane_supports_format(dev_priv, mode_cmd->modifier[0],
+                                      mode_cmd->pixel_format)) {
+               DRM_DEBUG_KMS("Unsupported pixel format %s or modifier 
0x%llx\n",
+                              drm_get_format_name(mode_cmd->pixel_format,
+                                                  &format_name),
+                              mode_cmd->modifier[0]);
                goto err;
        }
 
@@ -14466,69 +14451,6 @@ static int intel_framebuffer_init(struct 
intel_framebuffer *intel_fb,
                goto err;
        }
 
-       /* Reject formats not supported by any plane early. */
-       switch (mode_cmd->pixel_format) {
-       case DRM_FORMAT_C8:
-       case DRM_FORMAT_RGB565:
-       case DRM_FORMAT_XRGB8888:
-       case DRM_FORMAT_ARGB8888:
-               break;
-       case DRM_FORMAT_XRGB1555:
-               if (INTEL_GEN(dev_priv) > 3) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format, &format_name));
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_ABGR8888:
-               if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) &&
-                   INTEL_GEN(dev_priv) < 9) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format, &format_name));
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_XBGR8888:
-       case DRM_FORMAT_XRGB2101010:
-       case DRM_FORMAT_XBGR2101010:
-               if (INTEL_GEN(dev_priv) < 4) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format, &format_name));
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_ABGR2101010:
-               if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format, &format_name));
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_YUYV:
-       case DRM_FORMAT_UYVY:
-       case DRM_FORMAT_YVYU:
-       case DRM_FORMAT_VYUY:
-               if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format, &format_name));
-                       goto err;
-               }
-               break;
-       case DRM_FORMAT_NV12:
-               if (INTEL_GEN(dev_priv) < 9 || IS_SKYLAKE(dev_priv) ||
-                   IS_BROXTON(dev_priv)) {
-                       DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                                     
drm_get_format_name(mode_cmd->pixel_format,
-                                                         &format_name));
-                       goto err;
-               }
-               break;
-       default:
-               DRM_DEBUG_KMS("unsupported pixel format: %s\n",
-                             drm_get_format_name(mode_cmd->pixel_format, 
&format_name));
-               goto err;
-       }
-
        /* FIXME need to adjust LINOFF/TILEOFF accordingly. */
        if (mode_cmd->offsets[0] != 0)
                goto err;
-- 
2.14.1

_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to