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From de4ce25805d74cc18d3f0a6eaf3ef291b36e6d35 Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Tue, 6 Feb 2018 16:21:05 -0500
Subject: [PATCH 3519/4131] drm/amdgpu: add mmhub powergating set by smu
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>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 82f8bc8..d0ade9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -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,
--
2.7.4
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