Am 09.03.2017 um 18:04 schrieb Alex Deucher:
> From: Rex Zhu <Rex.Zhu at amd.com>
>
> v2: agd: integrate Christian's comments.
> v3: print error message if call fails
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 32 +++++++++++++++++-------------
> 1 file changed, 18 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index b64c2db..3c24bec 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1192,13 +1192,15 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
> for (i = 0; i < adev->num_ip_blocks; i++) {
> if (!adev->ip_blocks[i].status.valid)
> continue;
> - if (adev->ip_blocks[i].version->type == block_type) {
> - r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
> - state);
> - if (r)
> - return r;
> - break;
> - }
> + if (adev->ip_blocks[i].version->type != block_type)
> + continue;
> + if (!adev->ip_blocks[i].version->funcs->set_clockgating_state)
> + continue;
> + r = adev->ip_blocks[i].version->funcs->set_clockgating_state(
> + (void *)adev, state);
> + if (r)
> + DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n",
> + adev->ip_blocks[i].version->funcs->name, r);
> }
> return r;
> }
> @@ -1212,13 +1214,15 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev,
> for (i = 0; i < adev->num_ip_blocks; i++) {
> if (!adev->ip_blocks[i].status.valid)
> continue;
> - if (adev->ip_blocks[i].version->type == block_type) {
> - r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev,
> - state);
> - if (r)
> - return r;
> - break;
> - }
> + if (adev->ip_blocks[i].version->type != block_type)
> + continue;
> + if (!adev->ip_blocks[i].version->funcs->set_powergating_state)
> + continue;
> + r = adev->ip_blocks[i].version->funcs->set_powergating_state(
> + (void *)adev, state);
> + if (r)
> + DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n",
> + adev->ip_blocks[i].version->funcs->name, r);
> }
> return r;
> }
