diff options
| author | Evan Quan <evan.quan@amd.com> | 2019-10-16 14:43:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-25 16:50:09 -0400 |
| commit | 3697b339c64f82af195fd3cc6492ef26b6dfcd47 (patch) | |
| tree | 3823065f99f5769f0b8774cd298a45d520bbc0de /drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | |
| parent | 6aec5bb4892a2c4881261532e99eef86e5f1c734 (diff) | |
drm/amd/powerplay: add lock protection for swSMU APIs V2
This is a quick and low risk fix. Those APIs which
are exposed to other IPs or to support sysfs/hwmon
interfaces or DAL will have lock protection. Meanwhile
no lock protection is enforced for swSMU internal used
APIs. Future optimization is needed.
V2: strip the lock protection for all swSMU internal APIs
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index 5803fcbae22f..9cc270efee7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -911,7 +911,8 @@ int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low) if (is_support_sw_smu(adev)) { ret = smu_get_dpm_freq_range(&adev->smu, SMU_GFXCLK, low ? &clk_freq : NULL, - !low ? &clk_freq : NULL); + !low ? &clk_freq : NULL, + true); if (ret) return 0; return clk_freq * 100; @@ -928,7 +929,8 @@ int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low) if (is_support_sw_smu(adev)) { ret = smu_get_dpm_freq_range(&adev->smu, SMU_UCLK, low ? &clk_freq : NULL, - !low ? &clk_freq : NULL); + !low ? &clk_freq : NULL, + true); if (ret) return 0; return clk_freq * 100; |