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

[Alex Deucher]

From: Eric Huang <JinHuiEric.Huang at amd.com>

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

Signed-off-by: Eric Yang <eric.yang2 at amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index fd29c56..045c7ef 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;
 }
-- 
2.5.5