1. ip_block's index should not compared to type.
2. Add null function point check
Change-Id: Idbef9e5c69beef631e1e18cbc6f8c40cfe44862c
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 62d2740..a5d6f6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1572,7 +1572,8 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
if (!adev->ip_blocks[i].status.valid)
continue;
/* ungate blocks so that suspend can properly shut them down */
- if (i != AMD_IP_BLOCK_TYPE_SMC) {
+ if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_SMC
+ && adev->ip_blocks[i].version->funcs->set_clockgating_state) {
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
AMD_CG_STATE_UNGATE);
if (r) {
--
1.9.1
