Commit 04596969 authored by Jocelyn Falempe's avatar Jocelyn Falempe
Browse files

drm/panic: Add ABGR2101010 support 



Add support for ABGR2101010, used by the nouveau driver.

Signed-off-by: default avatarJocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241022185553.1103384-2-jfalempe@redhat.com
parent 1d43dddd

drivers/gpu/drm/drm_panic.c

+10 −0
Original line number Diff line number Diff line
@@ -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;