Hi Christian,
The 2 patches are:
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
Thanks,
Pierre-Eric
On 22/03/2020 16:48, Christian König wrote:
> This should allow us to also support VRAM->GTT moves.
>
> v2: fix missing vram_base_adjustment
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 38
> ++++++++++++++++++++++++++-------
> 1 file changed, 30 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 53de99dbaead..e15a343a944b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -309,21 +309,21 @@ static int amdgpu_ttm_map_buffer(struct
> ttm_buffer_object *bo,
> unsigned window, struct amdgpu_ring *ring,
> bool tmz, uint64_t *addr)
> {
> - struct ttm_dma_tt *dma = container_of(bo->ttm, struct ttm_dma_tt, ttm);
> struct amdgpu_device *adev = ring->adev;
> struct amdgpu_job *job;
> unsigned num_dw, num_bytes;
> - dma_addr_t *dma_address;
> struct dma_fence *fence;
> uint64_t src_addr, dst_addr;
> + void *cpu_addr;
> uint64_t flags;
> + unsigned int i;
> int r;
>
> BUG_ON(adev->mman.buffer_funcs->copy_max_bytes <
> AMDGPU_GTT_MAX_TRANSFER_SIZE * 8);
>
> /* Map only what can't be accessed directly */
> - if (mem->start != AMDGPU_BO_INVALID_OFFSET) {
> + if (!tmz && mem->start != AMDGPU_BO_INVALID_OFFSET) {
> *addr = amdgpu_mm_node_addr(bo, mm_node, mem) + offset;
> return 0;
> }
> @@ -351,15 +351,37 @@ static int amdgpu_ttm_map_buffer(struct
> ttm_buffer_object *bo,
> amdgpu_ring_pad_ib(ring, &job->ibs[0]);
> WARN_ON(job->ibs[0].length_dw > num_dw);
>
> - dma_address = &dma->dma_address[offset >> PAGE_SHIFT];
> flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, mem);
> if (tmz)
> flags |= AMDGPU_PTE_TMZ;
>
> - r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
> - &job->ibs[0].ptr[num_dw]);
> - if (r)
> - goto error_free;
> + cpu_addr = &job->ibs[0].ptr[num_dw];
> +
> + if (mem->mem_type == TTM_PL_TT) {
> + struct ttm_dma_tt *dma;
> + dma_addr_t *dma_address;
> +
> + dma = container_of(bo->ttm, struct ttm_dma_tt, ttm);
> + dma_address = &dma->dma_address[offset >> PAGE_SHIFT];
> + r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
> + cpu_addr);
> + if (r)
> + goto error_free;
> + } else {
> + dma_addr_t dma_address;
> +
> + dma_address = (mm_node->start << PAGE_SHIFT) + offset;
> + dma_address += adev->vm_manager.vram_base_offset;
> +
> + for (i = 0; i < num_pages; ++i) {
> + r = amdgpu_gart_map(adev, i << PAGE_SHIFT, 1,
> + &dma_address, flags, cpu_addr);
> + if (r)
> + goto error_free;
> +
> + dma_address += PAGE_SIZE;
> + }
> + }
>
> r = amdgpu_job_submit(job, &adev->mman.entity,
> AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
>
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