Add support for ABGR2101010, used by the nouveau driver.
Signed-off-by: Jocelyn Falempe <jfalempe@xxxxxxxxxx>
---
drivers/gpu/drm/drm_panic.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c
index 7ece67086cec..78fdecfede84 100644
--- a/drivers/gpu/drm/drm_panic.c
+++ b/drivers/gpu/drm/drm_panic.c
@@ -152,6 +152,14 @@ static u32 convert_xrgb8888_to_argb2101010(u32 pix)
return GENMASK(31, 30) /* set alpha bits */ | pix | ((pix >> 8) & 0x00300C03);
}
+static u32 convert_xrgb8888_to_abgr2101010(u32 pix)
+{
+ pix = ((pix & 0x00FF0000) >> 14) |
+ ((pix & 0x0000FF00) << 4) |
+ ((pix & 0x000000FF) << 22);
+ return GENMASK(31, 30) /* set alpha bits */ | pix | ((pix >> 8) & 0x00300C03);
+}
+
/*
* convert_from_xrgb8888 - convert one pixel from xrgb8888 to the desired format
* @color: input color, in xrgb8888 format
@@ -185,6 +193,8 @@ static u32 convert_from_xrgb8888(u32 color, u32 format)
return convert_xrgb8888_to_xrgb2101010(color);
case DRM_FORMAT_ARGB2101010:
return convert_xrgb8888_to_argb2101010(color);
+ case DRM_FORMAT_ABGR2101010:
+ return convert_xrgb8888_to_abgr2101010(color);
default:
WARN_ONCE(1, "Can't convert to %p4cc\n", &format);
return 0;
--
2.45.0
