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authorRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
committerRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
commit74f1af95820fc2ee580a775a3a17c416db30b38c (patch)
tree7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/gpu/drm/drm_format_internal.h
parentd3deabe4c619875714b9a844b1a3d9752dbae1dd (diff)
parentf41830c57bb8e70e283b9db251c95f1270a8279d (diff)
downloadlinux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making stall-on-fault more reliable. Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/gpu/drm/drm_format_internal.h')
-rw-r--r--drivers/gpu/drm/drm_format_internal.h10
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 */