diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-06-05 11:46:35 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:49 -0500 |
| commit | 9134c6d7f288f902d932e7cf57fab2f49e8ad70b (patch) | |
| tree | 48592372b204ffe526d897b993bbd83f78fe8adb /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | a214e1c415e70f5cbc7835180cb9ed5c8e4aa35e (diff) | |
| download | op-kernel-dev-9134c6d7f288f902d932e7cf57fab2f49e8ad70b.zip op-kernel-dev-9134c6d7f288f902d932e7cf57fab2f49e8ad70b.tar.gz | |
drm/amdgpu: Add gfx_off support in smu through pp_set_powergating_by_smu
we can take gfx off feature as gfx power gate. gfx off feature is also
controled by smu. so add gfx_off support in pp_set_powergating_by_smu.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index d82d0d3..c33a41a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1730,16 +1730,11 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev) } } - if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) { + if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) /* enable gfx powergating */ amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_GFX, AMD_PG_STATE_GATE); - /* enable gfxoff */ - amdgpu_device_ip_set_powergating_state(adev, - AMD_IP_BLOCK_TYPE_SMC, - AMD_PG_STATE_GATE); - } return 0; } @@ -1812,6 +1807,8 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) adev->ip_blocks[i].version->funcs->name, r); return r; } + if (adev->powerplay.pp_funcs->set_powergating_by_smu) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false); r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); /* XXX handle errors */ if (r) { @@ -1921,12 +1918,6 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) amdgpu_virt_request_full_gpu(adev, false); - /* ungate SMC block powergating */ - if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) - amdgpu_device_ip_set_powergating_state(adev, - AMD_IP_BLOCK_TYPE_SMC, - AMD_PG_STATE_UNGATE); - /* ungate SMC block first */ r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, AMD_CG_STATE_UNGATE); @@ -1934,6 +1925,10 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev) DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n", r); } + /* call smu to disable gfx off feature first when suspend */ + if (adev->powerplay.pp_funcs->set_powergating_by_smu) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false); + for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.valid) continue; |
