drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell.

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commit 1c0b0efd14 upstream.

If GC has entered CGPG, ringing doorbell > first page doesn't wakeup GC.
Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround this issue.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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>

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Yifan Zhang 2021-06-10 10:10:07 +08:00 • committed by Greg Kroah-Hartman

parent 96b4126f8c

commit bc58ec307c

1 changed files with 5 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

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