drm/amdgpu: give a fence param to ib_free

thus amdgpu_ib_free() can hook sched fence to SA manager
in later patches.

BTW:
for amdgpu_free_job(), it should only fence_put() the
fence of the last ib once, so fix it as well in this patch.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1178,7 +1178,7 @@ struct amdgpu_gfx {
 
 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		  unsigned size, struct amdgpu_ib *ib);
-void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
+void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib, struct fence *f);
 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 		       struct amdgpu_ib *ib, struct fence *last_vm_update,
 		       struct fence **f);

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

@@ -85,12 +85,13 @@ int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
  *
  * @adev: amdgpu_device pointer
  * @ib: IB object to free
+ * @f: the fence SA bo need wait on for the ib alloation
  *
  * Free an IB (all asics).
  */
-void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib)
+void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib, struct fence *f)
 {
-	amdgpu_sa_bo_free(adev, &ib->sa_bo, ib->fence);
+	amdgpu_sa_bo_free(adev, &ib->sa_bo, f);
 	fence_put(ib->fence);
 }
 

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

@@ -72,7 +72,8 @@ void amdgpu_job_free(struct amdgpu_job *job)
 	unsigned i;
 
 	for (i = 0; i < job->num_ibs; ++i)
-		amdgpu_ib_free(job->adev, &job->ibs[i]);
+		amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, job->ibs[job->num_ibs - 1].fence);
+	fence_put(job->ibs[job->num_ibs - 1].fence);
 
 	amdgpu_bo_unref(&job->uf.bo);
 	amdgpu_sync_free(&job->sync);

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

@@ -669,7 +669,7 @@ static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring)
 
 err1:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 err0:
 	amdgpu_wb_free(adev, index);
 	return r;

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -2163,7 +2163,7 @@ static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring)
 
 err2:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 err1:
 	amdgpu_gfx_scratch_free(adev, scratch);
 	return r;

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -732,7 +732,7 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring)
 	}
 err2:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 err1:
 	amdgpu_gfx_scratch_free(adev, scratch);
 	return r;
@@ -1289,7 +1289,7 @@ static int gfx_v8_0_do_edc_gpr_workarounds(struct amdgpu_device *adev)
 
 fail:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 
 	return r;
 }

drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c

@@ -727,7 +727,7 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring)
 
 err1:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 err0:
 	amdgpu_wb_free(adev, index);
 	return r;

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -878,7 +878,7 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring)
 	}
 err1:
 	fence_put(f);
-	amdgpu_ib_free(adev, &ib);
+	amdgpu_ib_free(adev, &ib, NULL);
 err0:
 	amdgpu_wb_free(adev, index);
 	return r;