diff options
Diffstat (limited to 'drivers/gpu/drm/drm_format_internal.h')
| -rw-r--r-- | drivers/gpu/drm/drm_format_internal.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_format_internal.h b/drivers/gpu/drm/drm_format_internal.h index 9f857bfa368d..9428d5cfebc5 100644 --- a/drivers/gpu/drm/drm_format_internal.h +++ b/drivers/gpu/drm/drm_format_internal.h @@ -42,7 +42,7 @@ static inline u32 drm_pixel_xrgb8888_to_r8_bt601(u32 pix) u32 b = pix & 0x000000ff; /* ITU-R BT.601: Y = 0.299 R + 0.587 G + 0.114 B */ - return (3 * r + 6 * g + b) / 10; + return (77 * r + 150 * g + 29 * b) / 256; } static inline u32 drm_pixel_xrgb8888_to_rgb332(u32 pix) @@ -111,6 +111,14 @@ static inline u32 drm_pixel_xrgb8888_to_xbgr8888(u32 pix) ((pix & 0x000000ff) << 16); } +static inline u32 drm_pixel_xrgb8888_to_bgrx8888(u32 pix) +{ + return ((pix & 0xff000000) >> 24) | /* also copy filler bits */ + ((pix & 0x00ff0000) >> 8) | + ((pix & 0x0000ff00) << 8) | + ((pix & 0x000000ff) << 24); +} + static inline u32 drm_pixel_xrgb8888_to_abgr8888(u32 pix) { return GENMASK(31, 24) | /* fill alpha bits */ |