drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helper
authorNoralf Trønnes <noralf@tronnes.org>
Wed, 31 May 2017 20:26:53 +0000 (22:26 +0200)
committerRaspbian kernel package updater <root@raspbian.org>
Thu, 15 Feb 2018 17:38:13 +0000 (17:38 +0000)
commitcad586ce36e3aff912e7e619d2d8dea1cf5014ce
treece421c74ad12cd465f7f096869cb33cf0423c1a0
parent3f85cd23fdb137ca7fcd807acc664271117c8853
drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helper

Drm has no monochrome or greyscale support so add a conversion
from the common format XR24.

Also reorder includes into the common order.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
[rebase on 4.9]
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
include/drm/tinydrm/tinydrm-helpers.h