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drm/amdgpu: Avoid destroy hqd when GPU is on reset

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Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Shaoyun Liu
2018-07-11 22:33:03 -04:00
committed by Oded Gabbay
parent bff418a2ee
commit 1b0bfcff46
3 changed files with 9 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
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@@ -575,6 +575,9 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
unsigned long flags, end_jiffies;
int retry;
if (adev->in_gpu_reset)
return -EIO;
acquire_queue(kgd, pipe_id, queue_id);
WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, 0);