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drm/amdgpu: add powerplay support for CI asics 

currently, for CI asics,
use dpm by default, amdgpu.dpm=-1.
when set amdgpu.dpm=1, enable powplay.
when set amdgpu.dpm=0, disable both dpm and powerplay.

when powerplay is stable on CI asics, ci_dpm will
be removed.

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>
This commit is contained in:
Rex Zhu 2017-09-12 13:37:40 +08:00 committed by Alex Deucher
parent 86457c3b21
commit 780cffc599
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
View File

@ -93,8 +93,16 @@ static int amdgpu_pp_early_init(void *handle)
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_BONAIRE:
case CHIP_HAWAII:
amd_pp->ip_funcs = &ci_dpm_ip_funcs;
amd_pp->pp_funcs = &ci_dpm_funcs;
if (amdgpu_dpm == -1) {
amd_pp->ip_funcs = &ci_dpm_ip_funcs;
amd_pp->pp_funcs = &ci_dpm_funcs;
} else {
adev->pp_enabled = true;
if (amdgpu_create_pp_handle(adev))
return -EINVAL;
amd_pp->ip_funcs = &pp_ip_funcs;
amd_pp->pp_funcs = &pp_dpm_funcs;
}
break;
case CHIP_KABINI:
case CHIP_MULLINS: