hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Evan Quan 2018-07-19 18:40:25 +08:00 committed by Alex Deucher
parent be6a55a11a
commit d940def9ab
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
View File

@ -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);
}