diff options
| author |   Evan Quan <evan.quan@amd.com> | 2018-07-19 18:40:25 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:10:36 -0500 |
| commit | d940def9ab1f02bb421e02f3e9137153705a79e6 (patch) | |
| tree | 0f0a06423a6dda88cda6092664f0602563e91422 /drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | |
| parent | drm/amd/powerplay: remove setting soc floor voltage before sending pptable (diff) | |
| download | linux-dev-d940def9ab1f02bb421e02f3e9137153705a79e6.tar.xz linux-dev-d940def9ab1f02bb421e02f3e9137153705a79e6.zip | |
drm/amd/powerplay: avoid enabling/disabling uvd/vce dpm twice
For vega20, there are two UVD rings which share one powerplay instance.
Under some case(two rings used parallel), the uvd dpm is disabled twice
which causes the SMC hang.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Rex Zhu <rezhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index ad6ce148fb3f..c4302bc41a24 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -2464,6 +2464,9 @@ static void vega20_power_gate_vce(struct pp_hwmgr *hwmgr, bool bgate) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); + if (data->vce_power_gated == bgate) + return ; + data->vce_power_gated = bgate; vega20_enable_disable_vce_dpm(hwmgr, !bgate); } @@ -2472,6 +2475,9 @@ static void vega20_power_gate_uvd(struct pp_hwmgr *hwmgr, bool bgate) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); + if (data->uvd_power_gated == bgate) + return ; + data->uvd_power_gated = bgate; vega20_enable_disable_uvd_dpm(hwmgr, !bgate); } |