[PATCH 5/7] drm/amdgpu/jpeg2.0: add cancel_delayed_work_sync before power gate
James Zhu
James.Zhu at amd.com
Wed May 19 16:22:36 UTC 2021
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 at amd.com>
---
drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
index de5abce..85967a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
@@ -172,6 +172,8 @@ static int jpeg_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
--
2.7.4
More information about the amd-gfx
mailing list