drm/amdgpu: remove the exclusive lock
Finally getting rid of it.
Signed-off-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 25012c7..5fdc039 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -831,11 +831,8 @@
bool reserved_buffers = false;
int i, r;
- down_read(&adev->exclusive_lock);
- if (!adev->accel_working) {
- up_read(&adev->exclusive_lock);
+ if (!adev->accel_working)
return -EBUSY;
- }
parser = amdgpu_cs_parser_create(adev, filp, NULL, NULL, 0);
if (!parser)
@@ -843,8 +840,7 @@
r = amdgpu_cs_parser_init(parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
- kfree(parser);
- up_read(&adev->exclusive_lock);
+ amdgpu_cs_parser_fini(parser, r, false);
r = amdgpu_cs_handle_lockup(adev, r);
return r;
}
@@ -915,14 +911,12 @@
mutex_unlock(&job->job_lock);
amdgpu_cs_parser_fini_late(parser);
- up_read(&adev->exclusive_lock);
return 0;
}
cs->out.handle = parser->ibs[parser->num_ibs - 1].sequence;
out:
amdgpu_cs_parser_fini(parser, r, reserved_buffers);
- up_read(&adev->exclusive_lock);
r = amdgpu_cs_handle_lockup(adev, r);
return r;
}