These two helpers will be used on set page caching.
Signed-off-by: Huang Rui ray.huang@amd.com --- include/drm/ttm/ttm_set_memory.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/include/drm/ttm/ttm_set_memory.h b/include/drm/ttm/ttm_set_memory.h index a70723c..7c492b4 100644 --- a/include/drm/ttm/ttm_set_memory.h +++ b/include/drm/ttm/ttm_set_memory.h @@ -57,6 +57,18 @@ static inline int ttm_set_pages_wb(struct page *page, int numpages) return set_pages_wb(page, numpages); }
+static inline int ttm_set_pages_wc(struct page *page, int numpages) +{ + unsigned long addr = (unsigned long)page_address(page); + + return set_memory_wc(addr, numpages); +} + +static inline int ttm_set_pages_uc(struct page *page, int numpages) +{ + return set_pages_uc(page, numpages); +} + #else /* for CONFIG_X86 */
#if IS_ENABLED(CONFIG_AGP) @@ -123,6 +135,16 @@ static inline int ttm_set_pages_wb(struct page *page, int numpages)
#endif /* for CONFIG_AGP */
+static inline int ttm_set_pages_wc(struct page *page, int numpages) +{ + return 0; +} + +static inline int ttm_set_pages_uc(struct page *page, int numpages) +{ + return 0; +} + #endif /* for CONFIG_X86 */
#endif