Commit 7e553e2a authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/format-helper: Print warning on missing format conversion 



Not all possible format conversions are supported yet. Print a
warning on unsupported combinations.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220425075939.30450-2-tzimmermann@suse.de
parent e87826ef

drivers/gpu/drm/drm_format_helper.c

+3 −0
Original line number Diff line number Diff line
@@ -590,6 +590,9 @@ int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_for 
		}

	}



	drm_warn_once(fb->dev, "No conversion helper from %p4cc to %p4cc found.\n",

		      &fb_format, &dst_format);



	return -EINVAL;

}

EXPORT_SYMBOL(drm_fb_blit_toio);