diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-01-03 17:24:36 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:15 -0500 |
| commit | 9bd2bae13d8ce279465a0acda60abc3d961a94dc (patch) | |
| tree | 2a2c09c1e5e278c98f653c019410b0f78c6bbb55 /drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | |
| parent | 64b9342f31363eee93d0d3e1fa87622fe2929732 (diff) | |
drm/amd/pp: Add a helper to convert VID to voltage value
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 654cb11bdf65..e35bdc5bafb7 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -60,6 +60,11 @@ uint8_t convert_to_vid(uint16_t vddc) return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25); } +uint16_t convert_to_vddc(uint8_t vid) +{ + return (uint16_t) ((6200 - (vid * 25)) / VOLTAGE_SCALE); +} + static int phm_get_pci_bus_devfn(struct pp_hwmgr *hwmgr, struct cgs_system_info *sys_info) { |