Signed-off-by: Tom St Denis <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 073cf9ed0674..615b8b16ad04 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -569,6 +569,7 @@ static int vce_v3_0_check_soft_reset(void *handle)
*
* VCE team suggest use bit 3--bit 6 for busy status check
*/
+ mutex_lock(&adev->grbm_idx_mutex);
WREG32_FIELD(GRBM_GFX_INDEX, INSTANCE_INDEX, 0);
if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) {
srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
@@ -588,6 +589,7 @@ static int vce_v3_0_check_soft_reset(void *handle)
adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang = false;
adev->vce.srbm_soft_reset = 0;
}
+ mutex_unlock(&adev->grbm_idx_mutex);
return 0;
}
--
2.9.2
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