diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 0534ab716809..1703d216c88c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -127,6 +127,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, case AMDGPU_PL_GDS: case AMDGPU_PL_GWS: case AMDGPU_PL_OA: + case AMDGPU_PL_DOORBELL: placement->num_placement = 0; placement->num_busy_placement = 0; return; @@ -496,9 +497,11 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, if (old_mem->mem_type == AMDGPU_PL_GDS || old_mem->mem_type == AMDGPU_PL_GWS || old_mem->mem_type == AMDGPU_PL_OA || + old_mem->mem_type == AMDGPU_PL_DOORBELL || new_mem->mem_type == AMDGPU_PL_GDS || new_mem->mem_type == AMDGPU_PL_GWS || - new_mem->mem_type == AMDGPU_PL_OA) { + new_mem->mem_type == AMDGPU_PL_OA || + new_mem->mem_type == AMDGPU_PL_DOORBELL) { /* Nothing to save here */ ttm_bo_move_null(bo, new_mem); goto out; @@ -582,6 +585,12 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, mem->bus.offset += adev->gmc.aper_base; mem->bus.is_iomem = true; break; + case AMDGPU_PL_DOORBELL: + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->bus.offset += adev->doorbell.base; + mem->bus.is_iomem = true; + mem->bus.caching = ttm_uncached; + break; default: return -EINVAL; } @@ -596,6 +605,10 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, amdgpu_res_first(bo->resource, (u64)page_offset << PAGE_SHIFT, 0, &cursor); + + if (bo->resource->mem_type == AMDGPU_PL_DOORBELL) + return ((uint64_t)(adev->doorbell.base + cursor.start)) >> PAGE_SHIFT; + return (adev->gmc.aper_base + cursor.start) >> PAGE_SHIFT; } @@ -1305,6 +1318,7 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem) flags |= AMDGPU_PTE_VALID; if (mem && (mem->mem_type == TTM_PL_TT || + mem->mem_type == AMDGPU_PL_DOORBELL || mem->mem_type == AMDGPU_PL_PREEMPT)) { flags |= AMDGPU_PTE_SYSTEM; |