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| author | Evan Quan <evan.quan@amd.com> | 2017-09-08 13:04:52 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-12 14:30:11 -0400 |
| commit | 4ef72453311a697b3fb90da9c86c83012911ccf9 (patch) | |
| tree | 155c5d6d86530f48434ba9f2bb10ab89d84c7638 /drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | |
| parent | f1ac0fc2f2355495628a45e90cbd88e3d2c40ef9 (diff) | |
| download | linux-4ef72453311a697b3fb90da9c86c83012911ccf9.tar.bz2 | |
drm/amdgpu: added api for stopping psp ring (v2)
- v2: reuse the ring stop api in ring destory
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/amd/amdgpu/psp_v3_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index 2a535a4b8d5b..bcbe30dfff39 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -319,7 +319,7 @@ int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type) return ret; } -int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; struct psp_ring *ring; @@ -339,6 +339,19 @@ int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x80000000, false); + return ret; +} + +int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring = &psp->km_ring; + struct amdgpu_device *adev = psp->adev; + + ret = psp_v3_1_ring_stop(psp, ring_type); + if (ret) + DRM_ERROR("Fail to stop psp ring\n"); + amdgpu_bo_free_kernel(&adev->firmware.rbuf, &ring->ring_mem_mc_addr, (void **)&ring->ring_mem); |