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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>
This commit is contained in:
Evan Quan 2017-09-08 13:09:50 +08:00 committed by Alex Deucher
parent 4ef7245331
commit bcd6eab837
2 changed files with 11 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View File

@ -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;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View File

@ -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))