Commit 780cffc5 authored Sep 12, 2017 by Rex Zhu Committed by Alex Deucher Sep 26, 2017

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>

parent 86457c3b

drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -93,8 +93,16 @@ static int amdgpu_pp_early_init(void *handle)
		#ifdef CONFIG_DRM_AMDGPU_CIK
		case CHIP_BONAIRE:
		case CHIP_HAWAII:
		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:

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