diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-06-29 16:37:35 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-06 17:44:14 -0400 |
| commit | e5eb37170b3cbbf948c6aeaccece818a59e76a6c (patch) | |
| tree | e2db33d3e81cd211712790d87980d90173481b5a /drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | |
| parent | 4b2427605e5325eafb5cfc2698f517db68e41075 (diff) | |
| download | op-kernel-dev-e5eb37170b3cbbf948c6aeaccece818a59e76a6c.zip op-kernel-dev-e5eb37170b3cbbf948c6aeaccece818a59e76a6c.tar.gz | |
drm/amd/powerplay: fix bug that get wrong polaris evv voltage.
value is 32 bits for polaris, not 16.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c index 5785dc2..b8209ca 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c @@ -2685,7 +2685,7 @@ static int polaris10_get_evv_voltages(struct pp_hwmgr *hwmgr) { struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); uint16_t vv_id; - uint16_t vddc = 0; + uint32_t vddc = 0; uint16_t i, j; uint32_t sclk = 0; struct phm_ppt_v1_information *table_info = @@ -2716,8 +2716,9 @@ static int polaris10_get_evv_voltages(struct pp_hwmgr *hwmgr) continue); - /* need to make sure vddc is less than 2v or else, it could burn the ASIC. */ - PP_ASSERT_WITH_CODE((vddc < 2000 && vddc != 0), + /* need to make sure vddc is less than 2v or else, it could burn the ASIC. + * real voltage level in unit of 0.01mv */ + PP_ASSERT_WITH_CODE((vddc < 200000 && vddc != 0), "Invalid VDDC value", result = -EINVAL;); /* the voltage should not be zero nor equal to leakage ID */ |
