Commit bcd6eab8 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amdgpu: stop psp ring on suspend 



Otherwise, the ring will fail to create on next resume.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4ef72453

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

+1 −0
Original line number Diff line number Diff line
@@ -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))

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