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path: root/drivers/gpu/drm/ttm
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Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_page_alloc.c8
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c10
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index b1e02fffd3cc..9d9d92945f8c 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -38,6 +38,7 @@
#include <linux/mm.h>
#include <linux/seq_file.h> /* for seq_printf */
#include <linux/slab.h>
+#include <linux/dma-mapping.h>
#include <asm/atomic.h>
@@ -662,7 +663,8 @@ out:
* cached pages.
*/
int ttm_get_pages(struct list_head *pages, int flags,
- enum ttm_caching_state cstate, unsigned count)
+ enum ttm_caching_state cstate, unsigned count,
+ dma_addr_t *dma_address)
{
struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
struct page *p = NULL;
@@ -720,7 +722,7 @@ int ttm_get_pages(struct list_head *pages, int flags,
printk(KERN_ERR TTM_PFX
"Failed to allocate extra pages "
"for large request.");
- ttm_put_pages(pages, 0, flags, cstate);
+ ttm_put_pages(pages, 0, flags, cstate, NULL);
return r;
}
}
@@ -731,7 +733,7 @@ int ttm_get_pages(struct list_head *pages, int flags,
/* Put all pages in pages list to correct pool to wait for reuse */
void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags,
- enum ttm_caching_state cstate)
+ enum ttm_caching_state cstate, dma_addr_t *dma_address)
{
unsigned long irq_flags;
struct ttm_page_pool *pool = ttm_get_pool(flags, cstate);
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index af789dc869b9..0d39001259fb 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -49,12 +49,16 @@ static int ttm_tt_swapin(struct ttm_tt *ttm);
static void ttm_tt_alloc_page_directory(struct ttm_tt *ttm)
{
ttm->pages = drm_calloc_large(ttm->num_pages, sizeof(*ttm->pages));
+ ttm->dma_address = drm_calloc_large(ttm->num_pages,
+ sizeof(*ttm->dma_address));
}
static void ttm_tt_free_page_directory(struct ttm_tt *ttm)
{
drm_free_large(ttm->pages);
ttm->pages = NULL;
+ drm_free_large(ttm->dma_address);
+ ttm->dma_address = NULL;
}
static void ttm_tt_free_user_pages(struct ttm_tt *ttm)
@@ -105,7 +109,8 @@ static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
INIT_LIST_HEAD(&h);
- ret = ttm_get_pages(&h, ttm->page_flags, ttm->caching_state, 1);
+ ret = ttm_get_pages(&h, ttm->page_flags, ttm->caching_state, 1,
+ &ttm->dma_address[index]);
if (ret != 0)
return NULL;
@@ -298,7 +303,8 @@ static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
count++;
}
}
- ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state);
+ 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;