Deduplicate the IB padding code and will also be used
later to check locking.

Signed-off-by: Pierre-Eric Pelloux-Prayer <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 34 ++++++++++++-------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 17e1892c44a2..be1232b2d55e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -162,6 +162,18 @@ static void amdgpu_evict_flags(struct ttm_buffer_object 
*bo,
        *placement = abo->placement;
 }
 
+static struct dma_fence *
+amdgpu_ttm_job_submit(struct amdgpu_device *adev, struct amdgpu_job *job, u32 
num_dw)
+{
+       struct amdgpu_ring *ring;
+
+       ring = adev->mman.buffer_funcs_ring;
+       amdgpu_ring_pad_ib(ring, &job->ibs[0]);
+       WARN_ON(job->ibs[0].length_dw > num_dw);
+
+       return amdgpu_job_submit(job);
+}
+
 /**
  * amdgpu_ttm_map_buffer - Map memory into the GART windows
  * @adev: the device being used
@@ -185,7 +197,6 @@ static int amdgpu_ttm_map_buffer(struct amdgpu_device *adev,
 {
        unsigned int offset, num_pages, num_dw, num_bytes;
        uint64_t src_addr, dst_addr;
-       struct amdgpu_ring *ring;
        struct amdgpu_job *job;
        void *cpu_addr;
        uint64_t flags;
@@ -240,10 +251,6 @@ static int amdgpu_ttm_map_buffer(struct amdgpu_device 
*adev,
        amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr,
                                dst_addr, num_bytes, 0);
 
-       ring = adev->mman.buffer_funcs_ring;
-       amdgpu_ring_pad_ib(ring, &job->ibs[0]);
-       WARN_ON(job->ibs[0].length_dw > num_dw);
-
        flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, mem);
        if (tmz)
                flags |= AMDGPU_PTE_TMZ;
@@ -261,7 +268,7 @@ static int amdgpu_ttm_map_buffer(struct amdgpu_device *adev,
                amdgpu_gart_map_vram_range(adev, pa, 0, num_pages, flags, 
cpu_addr);
        }
 
-       dma_fence_put(amdgpu_job_submit(job));
+       dma_fence_put(amdgpu_ttm_job_submit(adev, job, num_dw));
        return 0;
 }
 
@@ -1497,10 +1504,7 @@ static int amdgpu_ttm_access_memory_sdma(struct 
ttm_buffer_object *bo,
        amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr, dst_addr,
                                PAGE_SIZE, 0);
 
-       amdgpu_ring_pad_ib(adev->mman.buffer_funcs_ring, &job->ibs[0]);
-       WARN_ON(job->ibs[0].length_dw > num_dw);
-
-       fence = amdgpu_job_submit(job);
+       fence = amdgpu_ttm_job_submit(adev, job, num_dw);
 
        if (!dma_fence_wait_timeout(fence, false, adev->sdma_timeout))
                r = -ETIMEDOUT;
@@ -2285,11 +2289,9 @@ int amdgpu_copy_buffer(struct amdgpu_device *adev, 
uint64_t src_offset,
                byte_count -= cur_size_in_bytes;
        }
 
-       amdgpu_ring_pad_ib(ring, &job->ibs[0]);
-       WARN_ON(job->ibs[0].length_dw > num_dw);
-       *fence = amdgpu_job_submit(job);
        if (r)
                goto error_free;
+       *fence = amdgpu_ttm_job_submit(adev, job, num_dw);
 
        return r;
 
@@ -2307,7 +2309,6 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_device 
*adev, uint32_t src_data,
                               u64 k_job_id)
 {
        unsigned int num_loops, num_dw;
-       struct amdgpu_ring *ring;
        struct amdgpu_job *job;
        uint32_t max_bytes;
        unsigned int i;
@@ -2331,10 +2332,7 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_device 
*adev, uint32_t src_data,
                byte_count -= cur_size;
        }
 
-       ring = adev->mman.buffer_funcs_ring;
-       amdgpu_ring_pad_ib(ring, &job->ibs[0]);
-       WARN_ON(job->ibs[0].length_dw > num_dw);
-       *fence = amdgpu_job_submit(job);
+       *fence = amdgpu_ttm_job_submit(adev, job, num_dw);
        return 0;
 }
 
-- 
2.43.0

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