lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

drm/ttm/radeon: add dma32 support.

Browse Source 
This add support for using dma32 memory on gpus that really need it.

Currently IGPs are left without DMA32 but we might need to change
that unless we can fix rs690.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2009-07-10 22:36:26 +10:00
committed by Dave Airlie
parent 61b576dbbe
commit ad49f50186
6 changed files with 36 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/drm/ttm/ttm_bo_driver.h
View File

@@ -121,6 +121,7 @@ struct ttm_backend {
#define TTM_PAGE_FLAG_SWAPPED (1 << 4)
#define TTM_PAGE_FLAG_PERSISTANT_SWAP (1 << 5)
#define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6)
#define TTM_PAGE_FLAG_DMA32 (1 << 7)
enum ttm_caching_state {
tt_uncached,
@@ -429,6 +430,8 @@ struct ttm_bo_device {
*/
struct delayed_work wq;
bool need_dma32;
};
/**
@@ -648,7 +651,7 @@ extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
extern int ttm_bo_device_init(struct ttm_bo_device *bdev,
struct ttm_mem_global *mem_glob,
struct ttm_bo_driver *driver,
uint64_t file_page_offset);
uint64_t file_page_offset, bool need_dma32);
/**
* ttm_bo_reserve: