From e745c3c9aa5e30ae94a1be04a1d2f326fb213a56 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 18 Nov 2014 14:36:59 -0500
Subject: drm/radeon/ci: use different smc command for pcie dpm

Use unforce levels rather than enable mask instruction.
This is the preferred method.

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

diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index e781628..73f8c4b 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -3773,7 +3773,7 @@ static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev)
 				return -EINVAL;
 		}
 	}
-
+#if 0
 	if (!pi->pcie_dpm_key_disabled) {
 		if (pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
 			result = ci_send_msg_to_smc_with_parameter(rdev,
@@ -3783,7 +3783,7 @@ static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev)
 				return -EINVAL;
 		}
 	}
-
+#endif
 	return 0;
 }
 
@@ -4247,6 +4247,14 @@ int ci_dpm_force_performance_level(struct radeon_device *rdev,
 			}
 		}
 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
+		if (!pi->pcie_dpm_key_disabled) {
+			PPSMC_Result smc_result;
+
+			smc_result = ci_send_msg_to_smc(rdev,
+							PPSMC_MSG_PCIeDPM_UnForceLevel);
+			if (smc_result != PPSMC_Result_OK)
+				return -EINVAL;
+		}
 		ret = ci_upload_dpm_level_enable_mask(rdev);
 		if (ret)
 			return ret;
-- 
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