drm/amdgpu/sdma4: set align mask to 255

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commit e5df16d942 upstream

The wptr needs to be incremented at at least 64 dword intervals,
use 256 to align with windows.  This should fix potential hangs
with unaligned updates.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Alex Deucher 2023-07-07 11:07:30 -04:00 • committed by Greg Kroah-Hartman

parent 50515f3852

commit f9fdc20982

2 changed files with 4 additions and 4 deletions

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4

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

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4

drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c

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