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-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c11
-rw-r--r--include/drm/ttm/ttm_bo_driver.h7
2 files changed, 2 insertions, 16 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index c68b0e770d16..f0c5ffd446d9 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -70,7 +70,7 @@ static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
int ret;
- while (NULL == (p = ttm->pages[index])) {
+ if (NULL == (p = ttm->pages[index])) {
INIT_LIST_HEAD(&h);
@@ -86,10 +86,7 @@ static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
if (unlikely(ret != 0))
goto out_err;
- if (PageHighMem(p))
- ttm->pages[--ttm->first_himem_page] = p;
- else
- ttm->pages[++ttm->last_lomem_page] = p;
+ ttm->pages[index] = p;
}
return p;
out_err:
@@ -271,8 +268,6 @@ static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state,
ttm->dma_address);
ttm->state = tt_unpopulated;
- ttm->first_himem_page = ttm->num_pages;
- ttm->last_lomem_page = -1;
}
void ttm_tt_destroy(struct ttm_tt *ttm)
@@ -316,8 +311,6 @@ struct ttm_tt *ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
ttm->glob = bdev->glob;
ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- ttm->first_himem_page = ttm->num_pages;
- ttm->last_lomem_page = -1;
ttm->caching_state = tt_cached;
ttm->page_flags = page_flags;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 37527d671f80..9da182b400ec 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -136,11 +136,6 @@ enum ttm_caching_state {
* @dummy_read_page: Page to map where the ttm_tt page array contains a NULL
* pointer.
* @pages: Array of pages backing the data.
- * @first_himem_page: Himem pages are put last in the page array, which
- * enables us to run caching attribute changes on only the first part
- * of the page array containing lomem pages. This is the index of the
- * first himem page.
- * @last_lomem_page: Index of the last lomem page in the page array.
* @num_pages: Number of pages in the page array.
* @bdev: Pointer to the current struct ttm_bo_device.
* @be: Pointer to the ttm backend.
@@ -157,8 +152,6 @@ enum ttm_caching_state {
struct ttm_tt {
struct page *dummy_read_page;
struct page **pages;
- long first_himem_page;
- long last_lomem_page;
uint32_t page_flags;
unsigned long num_pages;
struct ttm_bo_global *glob;