drm/amd/amdgpu: power up sdma engine when S3 resume back

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The sdma_v4 should be ungated when the IP resume back,
otherwise it will hang up and resume time out error.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Prike Liang 2019-09-11 13:15:17 +08:00 • committed by Alex Deucher

parent b05b69036f

commit a90a24d581

3 changed files with 10 additions and 5 deletions

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2

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

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10

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

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3

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

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