This file is for uploading new powerplay tables. Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) 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 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev, 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) -- 2.13.6
