drm/amdgpu: add direct submision option for copy_buffer

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
index 33e47a4..3453052 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
@@ -39,7 +39,8 @@ static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
        start_jiffies = jiffies;
        for (i = 0; i < n; i++) {
                struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
-               r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence);
+               r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
+                                      false);
                if (r)
                        goto exit_do_move;
                r = fence_wait(fence, false);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
index 05a53f4..b827c75 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
@@ -111,7 +111,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
                amdgpu_bo_kunmap(gtt_obj[i]);
 
                r = amdgpu_copy_buffer(ring, gtt_addr, vram_addr,
-                                      size, NULL, &fence);
+                                      size, NULL, &fence, false);
 
                if (r) {
                        DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
@@ -156,7 +156,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
                amdgpu_bo_kunmap(vram_obj);
 
                r = amdgpu_copy_buffer(ring, vram_addr, gtt_addr,
-                                      size, NULL, &fence);
+                                      size, NULL, &fence, false);
 
                if (r) {
                        DRM_ERROR("Failed VRAM->GTT copy %d\n", i);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 783a970..bdc76e2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -282,7 +282,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
 
        r = amdgpu_copy_buffer(ring, old_start, new_start,
                               new_mem->num_pages * PAGE_SIZE, /* bytes */
-                              bo->resv, &fence);
+                              bo->resv, &fence, false);
        if (r)
                return r;
 
@@ -1143,7 +1143,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring,
                       uint64_t dst_offset,
                       uint32_t byte_count,
                       struct reservation_object *resv,
-                      struct fence **fence)
+                      struct fence **fence, bool direct_submit)
 {
        struct amdgpu_device *adev = ring->adev;
        struct amdgpu_job *job;
@@ -1187,12 +1187,21 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring,
 
        amdgpu_ring_pad_ib(ring, &job->ibs[0]);
        WARN_ON(job->ibs[0].length_dw > num_dw);
-       r = amdgpu_job_submit(job, ring, &adev->mman.entity,
-                             AMDGPU_FENCE_OWNER_UNDEFINED, fence);
-       if (r)
-               goto error_free;
+       if (direct_submit) {
+               r = amdgpu_ib_schedule(ring, job->num_ibs, job->ibs,
+                                      NULL, NULL, fence);
+               job->fence = fence_get(*fence);
+               if (r)
+                       DRM_ERROR("Error scheduling IBs (%d)\n", r);
+               amdgpu_job_free(job);
+       } else {
+               r = amdgpu_job_submit(job, ring, &adev->mman.entity,
+                                     AMDGPU_FENCE_OWNER_UNDEFINED, fence);
+               if (r)
+                       goto error_free;
+       }
 
-       return 0;
+       return r;
 
 error_free:
        amdgpu_job_free(job);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 8927e0e..4d39276 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -68,7 +68,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring,
                       uint64_t dst_offset,
                       uint32_t byte_count,
                       struct reservation_object *resv,
-                      struct fence **fence);
+                      struct fence **fence, bool direct_submit);
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
                        uint32_t src_data,
                        struct reservation_object *resv,