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Subject[PATCH v2] drm/qxl: use ttm_tt
Date
qxl device will not dma, so we don't need ttm_dma_tt.  Go use ttm_tt
instead, to avoid wasting resources (swiotlb bounce buffers for
example).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
drivers/gpu/drm/qxl/qxl_ttm.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 36ea993aac..92f5db5b29 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -204,7 +204,7 @@ static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
* TTM backend functions.
*/
struct qxl_ttm_tt {
- struct ttm_dma_tt ttm;
+ struct ttm_tt ttm;
struct qxl_device *qdev;
u64 offset;
};
@@ -233,7 +233,7 @@ static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
{
struct qxl_ttm_tt *gtt = (void *)ttm;

- ttm_dma_tt_fini(&gtt->ttm);
+ ttm_tt_fini(&gtt->ttm);
kfree(gtt);
}

@@ -253,13 +253,13 @@ static struct ttm_tt *qxl_ttm_tt_create(struct ttm_buffer_object *bo,
gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
if (gtt == NULL)
return NULL;
- gtt->ttm.ttm.func = &qxl_backend_func;
+ gtt->ttm.func = &qxl_backend_func;
gtt->qdev = qdev;
- if (ttm_dma_tt_init(&gtt->ttm, bo, page_flags)) {
+ if (ttm_tt_init(&gtt->ttm, bo, page_flags)) {
kfree(gtt);
return NULL;
}
- return &gtt->ttm.ttm;
+ return &gtt->ttm;
}

static void qxl_move_null(struct ttm_buffer_object *bo,
--
2.9.3
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