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drm/amdgpu: skip invalid ip blocks in ip helpers 

Skip IP blocks that are not enabled.

Reviewed-by: Chunming zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Alex Deucher 2016-06-23 11:53:12 -04:00
parent a225bf1c9c
commit 9ecbe7f506
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1075,6 +1075,8 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_block_status[i].valid)
continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
state);
@ -1093,6 +1095,8 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev,
int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_block_status[i].valid)
continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_powergating_state((void *)adev,
state);
@ -1110,6 +1114,8 @@ int amdgpu_wait_for_idle(struct amdgpu_device *adev,
int i, r;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_block_status[i].valid)
continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev);
if (r)
@ -1127,6 +1133,8 @@ bool amdgpu_is_idle(struct amdgpu_device *adev,
int i;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_block_status[i].valid)
continue;
if (adev->ip_blocks[i].type == block_type)
return adev->ip_blocks[i].funcs->is_idle((void *)adev);
}