aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2018-04-19 14:02:52 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-05-15 13:43:45 -0500
commitd54bb40f607d40fca60da0613c65005086653300 (patch)
tree7bc96946387d72f068999e2ca71842abb6bf391c /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
parentca8d40ca194dfb573e59a5e42b88da83e63a6630 (diff)
download96b-common-d54bb40f607d40fca60da0613c65005086653300.tar.gz
drm/amdgpu/pm: document pp_table
This file is for uploading new powerplay tables. Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c11
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)