diff options
| author | Yong Zhao <Yong.Zhao@amd.com> | 2017-07-20 18:44:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-15 14:45:44 -0400 |
| commit | 330df03b3abf944f8f5180f2abc61367749984c0 (patch) | |
| tree | 5ec669d4c0c2ceb1e923e5282268a3d700e1efd2 | |
| parent | aef060e1147e33fc6d886f8376f1c6c6aa991073 (diff) | |
drm/amdgpu: Add support for filling a buffer with 64 bit value
That function will be used later to support setting a page table
block with 64 bit value.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 2 |
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index e6f9a54c959d..24c414630e65 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1509,11 +1509,12 @@ error_free: } int amdgpu_fill_buffer(struct amdgpu_bo *bo, - uint32_t src_data, + uint64_t src_data, struct reservation_object *resv, struct dma_fence **fence) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + /* max_bytes applies to SDMA_OP_PTEPDE as well as SDMA_OP_CONST_FILL*/ uint32_t max_bytes = adev->mman.buffer_funcs->fill_max_bytes; struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; @@ -1545,7 +1546,9 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, num_pages -= mm_node->size; ++mm_node; } - num_dw = num_loops * adev->mman.buffer_funcs->fill_num_dw; + + /* 10 double words for each SDMA_OP_PTEPDE cmd */ + num_dw = num_loops * 10; /* for IB padding */ num_dw += 64; @@ -1570,12 +1573,16 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, uint32_t byte_count = mm_node->size << PAGE_SHIFT; uint64_t dst_addr; + WARN_ONCE(byte_count & 0x7, "size should be a multiple of 8"); + dst_addr = amdgpu_mm_node_addr(&bo->tbo, mm_node, &bo->tbo.mem); while (byte_count) { uint32_t cur_size_in_bytes = min(byte_count, max_bytes); - amdgpu_emit_fill_buffer(adev, &job->ibs[0], src_data, - dst_addr, cur_size_in_bytes); + amdgpu_vm_set_pte_pde(adev, &job->ibs[0], + dst_addr, 0, + cur_size_in_bytes >> 3, 0, + src_data); dst_addr += cur_size_in_bytes; byte_count -= cur_size_in_bytes; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index f137c2458ee8..0e2399f32de7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -73,7 +73,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, struct dma_fence **fence, bool direct_submit, bool vm_needs_flush); int amdgpu_fill_buffer(struct amdgpu_bo *bo, - uint32_t src_data, + uint64_t src_data, struct reservation_object *resv, struct dma_fence **fence); |