diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2011-12-20 00:06:48 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 10:05:50 +0000 |
| commit | 935b59774012d11e3012c909cdd0c3cba0adf219 (patch) | |
| tree | aaea8d15e32e4cbe49eed606fcec92724d8fd032 /drivers/gpu/drm/drm_crtc.c | |
| parent | 62443be626a3a753e6c650abd87e8a39fd569d7e (diff) | |
| download | blackbird-op-linux-935b59774012d11e3012c909cdd0c3cba0adf219.tar.gz blackbird-op-linux-935b59774012d11e3012c909cdd0c3cba0adf219.zip | |
drm: Check that the requested pixel format is valid
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 66a165dac5c4..07d78e27ec3d 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2061,6 +2061,75 @@ out: return ret; } +static int format_check(struct drm_mode_fb_cmd2 *r) +{ + uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; + + switch (format) { + case DRM_FORMAT_C8: + case DRM_FORMAT_RGB332: + case DRM_FORMAT_BGR233: + case DRM_FORMAT_XRGB4444: + case DRM_FORMAT_XBGR4444: + case DRM_FORMAT_RGBX4444: + case DRM_FORMAT_BGRX4444: + case DRM_FORMAT_ARGB4444: + case DRM_FORMAT_ABGR4444: + case DRM_FORMAT_RGBA4444: + case DRM_FORMAT_BGRA4444: + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_XBGR1555: + case DRM_FORMAT_RGBX5551: + case DRM_FORMAT_BGRX5551: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_ABGR1555: + case DRM_FORMAT_RGBA5551: + case DRM_FORMAT_BGRA5551: + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_RGBX8888: + case DRM_FORMAT_BGRX8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_RGBA8888: + case DRM_FORMAT_BGRA8888: + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_ABGR2101010: + case DRM_FORMAT_RGBA1010102: + case DRM_FORMAT_BGRA1010102: + case DRM_FORMAT_YUYV: + case DRM_FORMAT_YVYU: + case DRM_FORMAT_UYVY: + case DRM_FORMAT_VYUY: + case DRM_FORMAT_AYUV: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV21: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV61: + case DRM_FORMAT_YUV410: + case DRM_FORMAT_YVU410: + case DRM_FORMAT_YUV411: + case DRM_FORMAT_YVU411: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV444: + case DRM_FORMAT_YVU444: + return 0; + default: + return -EINVAL; + } +} + /** * drm_mode_addfb2 - add an FB to the graphics configuration * @inode: inode from the ioctl @@ -2100,6 +2169,12 @@ int drm_mode_addfb2(struct drm_device *dev, return -EINVAL; } + ret = format_check(r); + if (ret) { + DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format); + return ret; + } + mutex_lock(&dev->mode_config.mutex); fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
