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path: root/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
index ce2bf1fb79ed..6f55172e8337 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
@@ -259,20 +259,16 @@ static void xgpu_nv_mailbox_flr_work(struct work_struct *work)
struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, flr_work);
struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
int timeout = NV_MAILBOX_POLL_FLR_TIMEDOUT;
- int locked;
/* block amdgpu_gpu_recover till msg FLR COMPLETE received,
* otherwise the mailbox msg will be ruined/reseted by
* the VF FLR.
*
- * we can unlock the lock_reset to allow "amdgpu_job_timedout"
+ * we can unlock the reset_sem to allow "amdgpu_job_timedout"
* to run gpu_recover() after FLR_NOTIFICATION_CMPL received
* which means host side had finished this VF's FLR.
*/
- locked = mutex_trylock(&adev->lock_reset);
- if (locked)
- adev->in_gpu_reset = true;
-
+ down_read(&adev->reset_sem);
do {
if (xgpu_nv_mailbox_peek_msg(adev) == IDH_FLR_NOTIFICATION_CMPL)
goto flr_done;
@@ -282,10 +278,7 @@ static void xgpu_nv_mailbox_flr_work(struct work_struct *work)
} while (timeout > 1);
flr_done:
- if (locked) {
- adev->in_gpu_reset = false;
- mutex_unlock(&adev->lock_reset);
- }
+ up_read(&adev->reset_sem);
/* Trigger recovery for world switch failure if no TDR */
if (amdgpu_device_should_recover_gpu(adev)