From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 27 Jun 2016 09:30:24 +0000 (+0800)
Subject: drm/amd/powerplay: add mvdd dpm support.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=696b2d7370c63f1f28636a5b8f61cc06e5012b23;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amd/powerplay: add mvdd dpm support.

SMC requires master switch bit to be set.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index c2b05af05780..69be3e59694f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -1913,9 +1913,8 @@ static int polaris10_populate_vr_config(struct pp_hwmgr *hwmgr,
 	if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
 		config = VR_SVI2_PLANE_2;
 		table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
-	} else if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
-		config = VR_SMIO_PATTERN_2;
-		table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
+		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start +
+			offsetof(SMU74_SoftRegisters, AllowMvddSwitch), 0x1);
 	} else {
 		config = VR_STATIC_VOLTAGE;
 		table->VRConfig |= (config << VRCONF_MVDD_SHIFT);