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drm/panic: Add ABGR2101010 support

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Add support for ABGR2101010, used by the nouveau driver.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241022185553.1103384-2-jfalempe@redhat.com
This commit is contained in:
Jocelyn Falempe
2024-10-22 20:39:47 +02:00
parent 1d43dddd7c
commit 04596969ee
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/drm_panic.c
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@@ -209,6 +209,14 @@ 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
@@ -242,6 +250,8 @@ 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;