88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
#ifndef _I915_GEM_STOLEN_H_
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#define _I915_GEM_STOLEN_H_
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#include "xe_ttm_stolen_mgr.h"
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#include "xe_res_cursor.h"
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struct xe_bo;
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struct i915_stolen_fb {
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struct xe_bo *bo;
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};
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static inline int i915_gem_stolen_insert_node_in_range(struct xe_device *xe,
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struct i915_stolen_fb *fb,
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u32 size, u32 align,
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u32 start, u32 end)
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{
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struct xe_bo *bo;
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int err;
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u32 flags = XE_BO_FLAG_PINNED | XE_BO_FLAG_STOLEN;
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if (start < SZ_4K)
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start = SZ_4K;
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if (align) {
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size = ALIGN(size, align);
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start = ALIGN(start, align);
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}
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bo = xe_bo_create_locked_range(xe, xe_device_get_root_tile(xe),
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NULL, size, start, end,
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ttm_bo_type_kernel, flags);
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if (IS_ERR(bo)) {
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err = PTR_ERR(bo);
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bo = NULL;
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return err;
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}
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err = xe_bo_pin(bo);
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xe_bo_unlock_vm_held(bo);
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if (err) {
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xe_bo_put(fb->bo);
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bo = NULL;
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}
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fb->bo = bo;
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return err;
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}
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static inline int i915_gem_stolen_insert_node(struct xe_device *xe,
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struct i915_stolen_fb *fb,
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u32 size, u32 align)
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{
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/* Not used on xe */
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BUG_ON(1);
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return -ENODEV;
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}
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static inline void i915_gem_stolen_remove_node(struct xe_device *xe,
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struct i915_stolen_fb *fb)
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{
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xe_bo_unpin_map_no_vm(fb->bo);
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fb->bo = NULL;
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}
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#define i915_gem_stolen_initialized(xe) (!!ttm_manager_type(&(xe)->ttm, XE_PL_STOLEN))
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#define i915_gem_stolen_node_allocated(fb) (!!((fb)->bo))
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static inline u32 i915_gem_stolen_node_offset(struct i915_stolen_fb *fb)
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{
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struct xe_res_cursor res;
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xe_res_first(fb->bo->ttm.resource, 0, 4096, &res);
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return res.start;
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}
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/* Used for < gen4. These are not supported by Xe */
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#define i915_gem_stolen_area_address(xe) (!WARN_ON(1))
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/* Used for gen9 specific WA. Gen9 is not supported by Xe */
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#define i915_gem_stolen_area_size(xe) (!WARN_ON(1))
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#define i915_gem_stolen_node_address(xe, fb) (xe_ttm_stolen_gpu_offset(xe) + \
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i915_gem_stolen_node_offset(fb))
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#define i915_gem_stolen_node_size(fb) ((u64)((fb)->bo->ttm.base.size))
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#endif
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