drm/msm: drop return from gpu->submit()

At this point, there is nothing left to fail.  And submit already has a
fence assigned and is added to the submit_list.  Any problems from here
on out are asynchronous (ie. hangcheck/recovery).

Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/adreno/adreno_gpu.c

@@ -133,7 +133,7 @@ void adreno_recover(struct msm_gpu *gpu)
 	}
 }
 
-int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
+void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 		struct msm_file_private *ctx)
 {
 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
@@ -212,8 +212,6 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 #endif
 
 	gpu->funcs->flush(gpu);
-
-	return 0;
 }
 
 void adreno_flush(struct msm_gpu *gpu)

drivers/gpu/drm/msm/adreno/adreno_gpu.h

@@ -238,7 +238,7 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
 int adreno_hw_init(struct msm_gpu *gpu);
 uint32_t adreno_last_fence(struct msm_gpu *gpu);
 void adreno_recover(struct msm_gpu *gpu);
-int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
+void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 		struct msm_file_private *ctx);
 void adreno_flush(struct msm_gpu *gpu);
 void adreno_idle(struct msm_gpu *gpu);