drm/gem-fb-helper: Use actual bpp for size calculations
authorGeert Uytterhoeven <geert@linux-m68k.org>
Fri, 8 Jul 2022 18:20:52 +0000 (20:20 +0200)
committerSam Ravnborg <sam@ravnborg.org>
Sat, 9 Jul 2022 13:08:16 +0000 (15:08 +0200)
commit0a2486f85e0cfa6439116abb9078ab888a619746
treedf47e72a5a31a96ce0e032144d596ff3f2b7955b
parentba71593217b5b03c9e3385b268ff8613a71fc6ce
drm/gem-fb-helper: Use actual bpp for size calculations

The AFBC helpers derive the number of bits per pixel from the deprecated
drm_format_info.cpp[] field, which does not take into account block
sizes.

Fix this by using the actual number of bits per pixel instead.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/b1d938d903157627c4ac101df92a1f3bf8ebe83d.1657294931.git.geert@linux-m68k.org
drivers/gpu/drm/drm_gem_framebuffer_helper.c