drm/amd/scheduler: Mark amdgpu_sched_ops const

This marks the struct amdgpu_sched_ops const and
adjusts amd_sched_init to take a const pointer
for the ops param. The ops member of
struct amd_gpu_scheduler is also changed to const.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 5d05b5d..660213a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -748,7 +748,7 @@
 	AMDGPU_RING_TYPE_VCE
 };
 
-extern struct amd_sched_backend_ops amdgpu_sched_ops;
+extern const struct amd_sched_backend_ops amdgpu_sched_ops;
 
 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
 		     struct amdgpu_job **job);

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index a052ac2..4eea2a1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -198,7 +198,7 @@
 	return fence;
 }
 
-struct amd_sched_backend_ops amdgpu_sched_ops = {
+const struct amd_sched_backend_ops amdgpu_sched_ops = {
 	.dependency = amdgpu_job_dependency,
 	.run_job = amdgpu_job_run,
 	.begin_job = amd_sched_job_begin,

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 639c70d..c16248c 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -530,7 +530,7 @@
  * Return 0 on success, otherwise error code.
 */
 int amd_sched_init(struct amd_gpu_scheduler *sched,
-		   struct amd_sched_backend_ops *ops,
+		   const struct amd_sched_backend_ops *ops,
 		   unsigned hw_submission, long timeout, const char *name)
 {
 	int i;

drivers/gpu/drm/amd/scheduler/gpu_scheduler.h

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 95ebfd0..169f70f 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -123,7 +123,7 @@
  * One scheduler is implemented for each hardware ring
 */
 struct amd_gpu_scheduler {
-	struct amd_sched_backend_ops	*ops;
+	const struct amd_sched_backend_ops	*ops;
 	uint32_t			hw_submission_limit;
 	long				timeout;
 	const char			*name;
@@ -137,7 +137,7 @@
 };
 
 int amd_sched_init(struct amd_gpu_scheduler *sched,
-		   struct amd_sched_backend_ops *ops,
+		   const struct amd_sched_backend_ops *ops,
 		   uint32_t hw_submission, long timeout, const char *name);
 void amd_sched_fini(struct amd_gpu_scheduler *sched);