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>
(cherry picked from commit e5df16d942)
The path `drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c` doesn't exist in
6.1.y, only modify the file that does exist.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Alex Deucher 2023-06-07 12:14:00 -04:00 • committed by Greg Kroah-Hartman

parent 7c880188c7

commit 4596c81291

1 changed files with 2 additions and 2 deletions

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

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