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| author | Evan Quan <evan.quan@amd.com> | 2021-11-22 10:57:20 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-14 17:51:14 -0500 |
| commit | bc143d8b8387ff0a22e4ef8e2375e63aa24bc311 (patch) | |
| tree | eb0259f5967e406195370bd5e203ec3c249f248d /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
| parent | 8c2d34eb53b96755b33a125c65c3e807dbe430a1 (diff) | |
| download | lwn-bc143d8b8387ff0a22e4ef8e2375e63aa24bc311.tar.gz lwn-bc143d8b8387ff0a22e4ef8e2375e63aa24bc311.zip | |
drm/amd/pm: do not expose implementation details to other blocks out of power
Those implementation details(whether swsmu supported, some ppt_funcs supported,
accessing internal statistics ...)should be kept internally. It's not a good
practice and even error prone to expose implementation details.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 25e2e5bf90eb..9aea1cc5b27e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1585,22 +1585,25 @@ static int amdgpu_debugfs_sclk_set(void *data, u64 val) return ret; } - if (is_support_sw_smu(adev)) { - ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq); - if (ret || val > max_freq || val < min_freq) - return -EINVAL; - ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val); - } else { - return 0; + ret = amdgpu_dpm_get_dpm_freq_range(adev, PP_SCLK, &min_freq, &max_freq); + if (ret == -EOPNOTSUPP) { + ret = 0; + goto out; } + if (ret || val > max_freq || val < min_freq) { + ret = -EINVAL; + goto out; + } + + ret = amdgpu_dpm_set_soft_freq_range(adev, PP_SCLK, (uint32_t)val, (uint32_t)val); + if (ret) + ret = -EINVAL; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - if (ret) - return -EINVAL; - - return 0; + return ret; } DEFINE_DEBUGFS_ATTRIBUTE(fops_ib_preempt, NULL, |