diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2011-12-20 00:06:47 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 10:05:32 +0000 |
| commit | 62443be626a3a753e6c650abd87e8a39fd569d7e (patch) | |
| tree | 5c7239f89724b31a8d24f77c451cb832ffbff710 | |
| parent | 22cd7c625837e520c94ffda7bc926396bbc4ba67 (diff) | |
drm: plane: Check that the fb pixel format is supported by the plane
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 80cfe1cbeb9..66a165dac5c 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1662,6 +1662,7 @@ int drm_mode_setplane(struct drm_device *dev, void *data, struct drm_framebuffer *fb; int ret = 0; unsigned int fb_width, fb_height; + int i; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; @@ -1710,6 +1711,16 @@ int drm_mode_setplane(struct drm_device *dev, void *data, } fb = obj_to_fb(obj); + /* Check whether this plane supports the fb pixel format. */ + for (i = 0; i < plane->format_count; i++) + if (fb->pixel_format == plane->format_types[i]) + break; + if (i == plane->format_count) { + DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); + ret = -EINVAL; + goto out; + } + fb_width = fb->width << 16; fb_height = fb->height << 16; |