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| author | Christian König <christian.koenig@amd.com> | 2020-09-07 13:44:36 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-09-08 10:43:30 +0200 |
| commit | 54d04ea8cdbd143496e4f5cc9c0a9f86c0e55a2e (patch) | |
| tree | 189c73b8584412722829922f5e963ca514887e65 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 1ff67ce49875f289d63e426b63c6561aa63fa888 (diff) | |
| download | linux-54d04ea8cdbd143496e4f5cc9c0a9f86c0e55a2e.tar.gz linux-54d04ea8cdbd143496e4f5cc9c0a9f86c0e55a2e.tar.bz2 linux-54d04ea8cdbd143496e4f5cc9c0a9f86c0e55a2e.zip | |
drm/ttm: merge offset and base in ttm_bus_placement
This is used by TTM to communicate the physical address
which should be used with ioremap(), ioremap_wc(). We don't
need to separate the base and offset in any way here.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389457/
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index ca568e25c41c..c6f4d9ede0e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -773,7 +773,7 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso mem->bus.addr = (u8 *)adev->mman.aper_base_kaddr + mem->bus.offset; - mem->bus.base = adev->gmc.aper_base; + mem->bus.offset += adev->gmc.aper_base; mem->bus.is_iomem = true; break; default: @@ -785,12 +785,13 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, unsigned long page_offset) { + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); uint64_t offset = (page_offset << PAGE_SHIFT); struct drm_mm_node *mm; mm = amdgpu_find_mm_node(&bo->mem, &offset); - return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + - (offset >> PAGE_SHIFT); + offset += adev->gmc.aper_base; + return mm->start + (offset >> PAGE_SHIFT); } /** |