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| author | Evan Quan <evan.quan@amd.com> | 2017-09-08 08:09:50 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-12 21:30:21 +0300 |
| commit | bcd6eab837fc9db67292c1d071ce2d96bb9689be (patch) | |
| tree | 7720e070aa21a2c8ca356b93f11c34ef37cf4320 /drivers/gpu/drm | |
| parent | 4ef72453311a697b3fb90da9c86c83012911ccf9 (diff) | |
| download | linux-bcd6eab837fc9db67292c1d071ce2d96bb9689be.tar.xz | |
drm/amdgpu: stop psp ring on suspend
Otherwise, the ring will fail to create on next resume.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index abd20819ba6b..0d530524ab21 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -455,6 +455,16 @@ static int psp_hw_fini(void *handle) static int psp_suspend(void *handle) { + int ret; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct psp_context *psp = &adev->psp; + + ret = psp_ring_stop(psp, PSP_RING_TYPE__KM); + if (ret) { + DRM_ERROR("PSP ring stop failed\n"); + return ret; + } + return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index e79795b59797..1b7d12d88720 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -125,6 +125,7 @@ struct amdgpu_psp_funcs { #define psp_prep_cmd_buf(ucode, type) (psp)->prep_cmd_buf((ucode), (type)) #define psp_ring_init(psp, type) (psp)->ring_init((psp), (type)) #define psp_ring_create(psp, type) (psp)->ring_create((psp), (type)) +#define psp_ring_stop(psp, type) (psp)->ring_stop((psp), (type)) #define psp_ring_destroy(psp, type) ((psp)->ring_destroy((psp), (type))) #define psp_cmd_submit(psp, ucode, cmd_mc, fence_mc, index) \ (psp)->cmd_submit((psp), (ucode), (cmd_mc), (fence_mc), (index)) |