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drm/amdgpu: add mmhub powergating set by smu

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PSP will disable legacy mmhub PG setting that is programming
registers, and drive will use SMC message to
set it up.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2018-02-06 16:21:05 -05:00 committed by Alex Deucher
parent 72d7619106
commit 7e452ce9c9
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
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@ -471,6 +471,9 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
RENG_EXECUTE_ON_REG_UPDATE, 1);
WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
if (adev->powerplay.pp_funcs->set_mmhub_powergating_by_smu)
amdgpu_dpm_set_mmhub_powergating_by_smu(adev);
} else {
pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
PCTL0_RENG_EXECUTE,