diff options
| author | Philip Yang <[email protected]> | 2021-11-13 00:05:08 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-11-24 19:06:53 +0000 |
| commit | 514f4a99c7a1b635f7336a6e4732e6fe3ec972a9 (patch) | |
| tree | 0a4557ffe27f80550534476907ba3337d4da5ff5 /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | |
| parent | drm/amd/pm: add new fields for Sienna Cichlid. (diff) | |
| download | kernel-514f4a99c7a1b635f7336a6e4732e6fe3ec972a9.tar.gz kernel-514f4a99c7a1b635f7336a6e4732e6fe3ec972a9.zip | |
drm/amdgpu: IH process reset count when restart
Otherwise when IH process restart, count is zero, the loop will
not exit to wake_up_all after processing AMDGPU_IH_MAX_NUM_IVS
interrupts.
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c index f3d62e196901..0c7963dfacad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c @@ -223,7 +223,7 @@ int amdgpu_ih_wait_on_checkpoint_process(struct amdgpu_device *adev, */ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih) { - unsigned int count = AMDGPU_IH_MAX_NUM_IVS; + unsigned int count; u32 wptr; if (!ih->enabled || adev->shutdown) @@ -232,6 +232,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih) wptr = amdgpu_ih_get_wptr(adev, ih); restart_ih: + count = AMDGPU_IH_MAX_NUM_IVS; DRM_DEBUG("%s: rptr %d, wptr %d\n", __func__, ih->rptr, wptr); /* Order reading of wptr vs. reading of IH ring data */ |