From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Thu, 24 Mar 2016 20:44:18 +0000 (-0400)
Subject: drm/amd/powerplay: Fix a bug for enabling ACDC gpio interrupt
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c8c67448b798e4bf5b320c7a15373b10e2d25523;p=linux-beck.git

drm/amd/powerplay: Fix a bug for enabling ACDC gpio interrupt

Only enable it if it's supported rather than unconitionally.

Signed-off-by: Eric Yang <eric.yang2@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@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 fd29c5683085..045c7ef3e81b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -2354,10 +2354,13 @@ static int polaris10_start_dpm(struct pp_hwmgr *hwmgr)
 				return -1);
 	}
 
-	PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(hwmgr->smumgr,
-					PPSMC_MSG_EnableACDCGPIOInterrupt)),
-					"Failed to enable AC DC GPIO Interrupt!",
-			);
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				PHM_PlatformCaps_Falcon_QuickTransition)) {
+		PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(hwmgr->smumgr,
+				PPSMC_MSG_EnableACDCGPIOInterrupt)),
+				"Failed to enable AC DC GPIO Interrupt!",
+				);
+	}
 
 	return 0;
 }