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| author | Dave Airlie <airlied@redhat.com> | 2021-05-21 15:59:04 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-05-21 15:59:05 +1000 |
| commit | 9a91e5e0af5e03940d0eec72c36364a1701de240 (patch) | |
| tree | 9231cabe7aecb0d57876c7c8b17892d90dc0156d /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | c99c4d0ca57c978dcc2a2f41ab8449684ea154cc (diff) | |
| parent | 81db370c88196400972acd6ebbaa73a1d1e4145f (diff) | |
| download | linux-9a91e5e0af5e03940d0eec72c36364a1701de240.tar.bz2 | |
Merge tag 'amd-drm-next-5.14-2021-05-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.14-2021-05-21:
amdgpu:
- RAS fixes
- SR-IOV fixes
- More BO management cleanups
- Aldebaran fixes
- Display fixes
- Support for new GPU, Beige Goby
- Backlight fixes
amdkfd:
- RAS fixes
- DMA mapping fixes
- HMM SVM fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210521045743.4047-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 70 |
1 files changed, 32 insertions, 38 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 10391fcff343..e039f5b8bc87 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -231,7 +231,7 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo, *addr += mm_cur->start & ~PAGE_MASK; num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8); - num_bytes = num_pages * 8; + num_bytes = num_pages * 8 * AMDGPU_GPU_PAGES_IN_CPU_PAGE; r = amdgpu_job_alloc_with_ib(adev, num_dw * 4 + num_bytes, AMDGPU_IB_POOL_DELAYED, &job); @@ -576,10 +576,10 @@ out: * * Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault() */ -static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) +static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, + struct ttm_resource *mem) { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); - struct drm_mm_node *mm_node = mem->mm_node; size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT; switch (mem->mem_type) { @@ -593,12 +593,9 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resourc /* check if it's visible */ if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size) return -EINVAL; - /* Only physically contiguous buffers apply. In a contiguous - * buffer, size of the first mm_node would match the number of - * pages in ttm_resource. - */ + if (adev->mman.aper_base_kaddr && - (mm_node->size == mem->num_pages)) + mem->placement & TTM_PL_FLAG_CONTIGUOUS) mem->bus.addr = (u8 *)adev->mman.aper_base_kaddr + mem->bus.offset; @@ -910,7 +907,23 @@ static int amdgpu_ttm_backend_bind(struct ttm_device *bdev, DRM_ERROR("failed to pin userptr\n"); return r; } + } else if (ttm->page_flags & TTM_PAGE_FLAG_SG) { + if (!ttm->sg) { + struct dma_buf_attachment *attach; + struct sg_table *sgt; + + attach = gtt->gobj->import_attach; + sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); + if (IS_ERR(sgt)) + return PTR_ERR(sgt); + + ttm->sg = sgt; + } + + drm_prime_sg_to_dma_addr_array(ttm->sg, gtt->ttm.dma_address, + ttm->num_pages); } + if (!ttm->num_pages) { WARN(1, "nothing to bind %u pages for mreg %p back %p!\n", ttm->num_pages, bo_mem, ttm); @@ -1035,8 +1048,15 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, int r; /* if the pages have userptr pinning then clear that first */ - if (gtt->userptr) + if (gtt->userptr) { amdgpu_ttm_tt_unpin_userptr(bdev, ttm); + } else if (ttm->sg && gtt->gobj->import_attach) { + struct dma_buf_attachment *attach; + + attach = gtt->gobj->import_attach; + dma_buf_unmap_attachment(attach, ttm->sg, DMA_BIDIRECTIONAL); + ttm->sg = NULL; + } if (!gtt->bound) return; @@ -1123,23 +1143,8 @@ static int amdgpu_ttm_tt_populate(struct ttm_device *bdev, return 0; } - if (ttm->page_flags & TTM_PAGE_FLAG_SG) { - if (!ttm->sg) { - struct dma_buf_attachment *attach; - struct sg_table *sgt; - - attach = gtt->gobj->import_attach; - sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); - if (IS_ERR(sgt)) - return PTR_ERR(sgt); - - ttm->sg = sgt; - } - - drm_prime_sg_to_dma_addr_array(ttm->sg, gtt->ttm.dma_address, - ttm->num_pages); + if (ttm->page_flags & TTM_PAGE_FLAG_SG) return 0; - } return ttm_pool_alloc(&adev->mman.bdev.pool, ttm, ctx); } @@ -1159,16 +1164,8 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_device *bdev, if (gtt && gtt->userptr) { amdgpu_ttm_tt_set_user_pages(ttm, NULL); kfree(ttm->sg); - ttm->page_flags &= ~TTM_PAGE_FLAG_SG; - return; - } - - if (ttm->sg && gtt->gobj->import_attach) { - struct dma_buf_attachment *attach; - - attach = gtt->gobj->import_attach; - dma_buf_unmap_attachment(attach, ttm->sg, DMA_BIDIRECTIONAL); ttm->sg = NULL; + ttm->page_flags &= ~TTM_PAGE_FLAG_SG; return; } @@ -1581,11 +1578,8 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) bool mem_train_support = false; if (!amdgpu_sriov_vf(adev)) { - ret = amdgpu_mem_train_support(adev); - if (ret == 1) + if (amdgpu_atomfirmware_mem_training_supported(adev)) mem_train_support = true; - else if (ret == -1) - return -EINVAL; else DRM_DEBUG("memory training does not support!\n"); } |