| 294,6 → 294,48 |
|---|
| return 0; |
| } |
| |
| int radeon_bo_user_map(struct radeon_bo *bo, void **ptr) |
| { |
| bool is_iomem; |
| |
| if (bo->uptr) { |
| if (ptr) { |
| *ptr = bo->uptr; |
| } |
| return 0; |
| } |
| |
| if(bo->domain & RADEON_GEM_DOMAIN_VRAM) |
| { |
| return -1; |
| } |
| else |
| { |
| bo->uptr = UserAlloc(bo->tbo.num_pages << PAGE_SHIFT); |
| if(bo->uptr) |
| { |
| u32_t *src, *dst; |
| int count; |
| src = &((u32_t*)page_tabs)[(u32_t)bo->kptr >> 12]; |
| dst = &((u32_t*)page_tabs)[(u32_t)bo->uptr >> 12]; |
| count = bo->tbo.num_pages; |
| |
| while(count--) |
| { |
| *dst++ = (0xFFFFF000 & *src++) | 0x207 ; // map as shared page |
| }; |
| } |
| else |
| return -1; |
| } |
| |
| if (ptr) { |
| *ptr = bo->uptr; |
| } |
| |
| return 0; |
| } |
| |
| void radeon_bo_kunmap(struct radeon_bo *bo) |
| { |
| if (bo->kptr == NULL) |