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amd/display: allow non-linear multi-planar formats 

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@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Simon Ser 2021-03-26 17:59:44 +01:00 committed by Alex Deucher
parent 6d638b3ffd
commit 9ebb6bc012
1 changed files with 4 additions and 7 deletions
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11
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -4071,13 +4071,6 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane,
if (modifier == DRM_FORMAT_MOD_LINEAR)
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.
@ -4096,6 +4089,10 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane,
/* 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;