[PATCH] drm/amd/powerplay: refine phm_register_thermal_interrupt interface

[Rex Zhu]

currently, not all asics implement this callback function
so not return error to avoid powerplay initialize failed
in those asices

Change-Id: I492b7ab54eebcc0d84c169edc0d5876c4529c619
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index f31d2cf..623cff9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -210,10 +210,10 @@ int phm_register_thermal_interrupt(struct pp_hwmgr *hwmgr, const void *info)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (hwmgr->hwmgr_func->register_internal_thermal_interrupt == NULL)
-		return -EINVAL;
+	if (hwmgr->hwmgr_func->register_internal_thermal_interrupt != NULL)
+		return hwmgr->hwmgr_func->register_internal_thermal_interrupt(hwmgr, info);
 
-	return hwmgr->hwmgr_func->register_internal_thermal_interrupt(hwmgr, info);
+	return 0;
 }
 
 /**
-- 
1.9.1