[AMD Public Use]
I don't know if these fixes related to modifiers make sense in the pre-modifier code base. Bas, Nick?
Alex ________________________________ From: amd-gfx amd-gfx-bounces@lists.freedesktop.org on behalf of Sasha Levin sashal@kernel.org Sent: Tuesday, December 22, 2020 9:16 PM To: linux-kernel@vger.kernel.org linux-kernel@vger.kernel.org; stable@vger.kernel.org stable@vger.kernel.org Cc: Sasha Levin sashal@kernel.org; dri-devel@lists.freedesktop.org dri-devel@lists.freedesktop.org; amd-gfx@lists.freedesktop.org amd-gfx@lists.freedesktop.org; Bas Nieuwenhuizen bas@basnieuwenhuizen.nl; Deucher, Alexander Alexander.Deucher@amd.com; Kazlauskas, Nicholas Nicholas.Kazlauskas@amd.com Subject: [PATCH AUTOSEL 5.4 006/130] drm/amd/display: Do not silently accept DCC for multiplane formats.
From: Bas Nieuwenhuizen bas@basnieuwenhuizen.nl
[ Upstream commit b35ce7b364ec80b54f48a8fdf9fb74667774d2da ]
Silently accepting it could result in corruption.
Signed-off-by: Bas Nieuwenhuizen bas@basnieuwenhuizen.nl Reviewed-by: Alex Deucher alexander.deucher@amd.com Reviewed-by: Nicholas Kazlauskas nicholas.kazlauskas@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d2dd387c95d86..ce70c42a2c3ec 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2734,7 +2734,7 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev, return 0;
if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) - return 0; + return -EINVAL;
if (!dc->cap_funcs.get_dcc_compression_cap) return -EINVAL; -- 2.27.0
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