diff options
| author | YuBiao Wang <[email protected]> | 2021-06-09 02:41:34 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-06-11 20:03:26 +0000 |
| commit | 29b4ac0ed9130229cf518edab01fd6b20d9f1c92 (patch) | |
| tree | d2567ff439d937fc023b694d28e6d2598acc980e /drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | |
| parent | drm/amd/pm: Only primary die supports power data (diff) | |
| download | kernel-29b4ac0ed9130229cf518edab01fd6b20d9f1c92.tar.gz kernel-29b4ac0ed9130229cf518edab01fd6b20d9f1c92.zip | |
drm/amdgpu: reset psp ring wptr during ring_create
[Why]
psp ring wptr is not initialized properly in ring_create,
which would lead to psp failure after several gpu reset.
[How]
Set ring_wptr to zero in psp_ring_create.
Signed-off-by: YuBiao Wang <[email protected]>
Reviewed-by: Horace Chen <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v3_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index ce7377d2368f..b86dcbabb635 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -227,6 +227,7 @@ static int psp_v3_1_ring_create(struct psp_context *psp, psp_v3_1_reroute_ih(psp); if (amdgpu_sriov_vf(adev)) { + ring->ring_wptr = 0; ret = psp_v3_1_ring_stop(psp, ring_type); if (ret) { DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n"); |