drm/format-helper: Add drm_fb_xrgb8888_to_rgb332()
commit a0c3df96af77c7704e4a6619ad93d1f4d75a23b4 from https://nv-tegra.nvidia.com/r/3rdparty/canonical/linux-jammy.git jetson_36.3 Add XRGB8888 emulation support for devices that can only do RGB332. v2: - Support Big Endian (Daniel) Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210929191201.34456-3-noralf@tronnes.org (cherry picked from commit cee0b7cb ) Change-Id: I761349098f42857da020ddf228fb58fba7a29c4d Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/3rdparty/canonical/linux-jammy/+/2985818 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com> Signed-off-by: Rajeshkumar Ramasamy <rajeshkumar.ramasamy@windriver.com>
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