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| author | James Zhu <James.Zhu@amd.com> | 2021-05-18 10:58:22 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-03 09:00:30 +0200 |
| commit | 2e4f262ef51d7336b319656897d7dce9d5b49bad (patch) | |
| tree | 49235bee4658a7c9b7c5aac237c62caae7c9a620 /drivers | |
| parent | e3a662e5e882b2d1b0d03a7671798cacbedcc540 (diff) | |
| download | kernel_replicant_linux-2e4f262ef51d7336b319656897d7dce9d5b49bad.tar.gz kernel_replicant_linux-2e4f262ef51d7336b319656897d7dce9d5b49bad.tar.bz2 kernel_replicant_linux-2e4f262ef51d7336b319656897d7dce9d5b49bad.zip | |
drm/amdgpu/vcn1: add cancel_delayed_work_sync before power gate
commit b95f045ea35673572ef46d6483ad8bd6d353d63c upstream.
Add cancel_delayed_work_sync before set power gating state
to avoid race condition issue when power gating.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Acked-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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 86e1ef732ebe..aa8ae0ca62f9 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -232,9 +232,13 @@ static int vcn_v1_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + cancel_delayed_work_sync(&adev->vcn.idle_work); + if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || - RREG32_SOC15(VCN, 0, mmUVD_STATUS)) + (adev->vcn.cur_state != AMD_PG_STATE_GATE && + RREG32_SOC15(VCN, 0, mmUVD_STATUS))) { vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE); + } return 0; } |