From: Simon Ser <contact@xxxxxxxxxxx> commit 9ebb6bc0125dfb1e65a53eea4aeecc63d4d6ec2d upstream. Accept non-linear buffers which use a multi-planar format, as long as they don't use DCC. Tested on GFX9 with NV12. Signed-off-by: Simon Ser <contact@xxxxxxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: Harry Wentland <hwentlan@xxxxxxx> Cc: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Cc: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx> Reviewed-by: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3963,13 +3963,6 @@ static bool dm_plane_format_mod_supporte return true; /* - * The arbitrary tiling support for multiplane formats has not been hooked - * up. - */ - if (info->num_planes > 1) - return false; - - /* * For D swizzle the canonical modifier depends on the bpp, so check * it here. */ @@ -3987,6 +3980,10 @@ static bool dm_plane_format_mod_supporte /* Per radeonsi comments 16/64 bpp are more complicated. */ if (info->cpp[0] != 4) return false; + /* We support multi-planar formats, but not when combined with + * additional DCC metadata planes. */ + if (info->num_planes > 1) + return false; } return true;
