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authorDave Airlie <airlied@linux.ie>2009-07-10 22:36:26 +1000
committerDave Airlie <airlied@redhat.com>2009-07-15 17:13:18 +1000
commitad49f501867cba87e1e45e5ebae0b12435d68bf1 (patch)
tree4602e5caf96451b1dcdda7a38628d494466d2e20 /include/drm/ttm
parent61b576dbbe6a19d102c025ebc102a0749e2d3c80 (diff)
downloadblackbird-op-linux-ad49f501867cba87e1e45e5ebae0b12435d68bf1.tar.gz
blackbird-op-linux-ad49f501867cba87e1e45e5ebae0b12435d68bf1.zip
drm/ttm/radeon: add dma32 support.
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>
Diffstat (limited to 'include/drm/ttm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 62ed733c52a2..ea83dd23a4d7 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -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:
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