diff options
| author | Alex Deucher <[email protected]> | 2018-04-19 19:02:52 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-05-15 18:43:45 +0000 |
| commit | d54bb40f607d40fca60da0613c65005086653300 (patch) | |
| tree | 7bc96946387d72f068999e2ca71842abb6bf391c /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | |
| parent | drm/amdgpu/pm: document power_dpm_state (diff) | |
| download | kernel-d54bb40f607d40fca60da0613c65005086653300.tar.gz kernel-d54bb40f607d40fca60da0613c65005086653300.zip | |
drm/amdgpu/pm: document pp_table
This file is for uploading new powerplay tables.
Acked-by: Felix Kuehling <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index e33e0f4c4a28..9982f1b1f8c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -408,6 +408,17 @@ fail: return count; } +/** + * DOC: pp_table + * + * The amdgpu driver provides a sysfs API for uploading new powerplay + * tables. The file pp_table is used for this. Reading the file + * will dump the current power play table. Writing to the file + * will attempt to upload a new powerplay table and re-initialize + * powerplay using that new table. + * + */ + static ssize_t amdgpu_get_pp_table(struct device *dev, struct device_attribute *attr, char *buf) |