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| author |   Evan Quan <evan.quan@amd.com> | 2020-01-03 14:18:22 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-01-07 12:01:40 -0500 |
| commit | 29a45960647b243af5f2aa73fd7a822ef3db33eb (patch) | |
| tree | 148e5a7cdc653661d0b5f1bd4575501c62ed58ea /drivers/gpu/drm/amd/powerplay/amd_powerplay.c | |
| parent | drm/amd/powerplay: unified VRAM address for driver table interaction with SMU V2 (diff) | |
| download | linux-dev-29a45960647b243af5f2aa73fd7a822ef3db33eb.tar.xz linux-dev-29a45960647b243af5f2aa73fd7a822ef3db33eb.zip | |
drm/amd/powerplay: refine code to support no-dpm case
With "dpm=0", there will be no DPM enabled. The code
needs to be refined to support this.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 7293763d524c..c195575366a3 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -927,9 +927,12 @@ static int pp_dpm_set_mp1_state(void *handle, enum pp_mp1_state mp1_state) { struct pp_hwmgr *hwmgr = handle; - if (!hwmgr || !hwmgr->pm_en) + if (!hwmgr) return -EINVAL; + if (!hwmgr->pm_en) + return 0; + if (hwmgr->hwmgr_func->set_mp1_state) return hwmgr->hwmgr_func->set_mp1_state(hwmgr, mp1_state); |