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drm/qxl: use ttm_tt 

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>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190129082541.1392-1-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2019-01-29 09:25:41 +01:00
parent 1ff494813b
commit 11ca1b663a
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/qxl/qxl_ttm.c
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@ -204,7 +204,7 @@ static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
* TTM backend functions. * TTM backend functions.
*/ */
struct qxl_ttm_tt { struct qxl_ttm_tt {
struct ttm_dma_tt ttm; struct ttm_tt ttm;
struct qxl_device *qdev; struct qxl_device *qdev;
u64 offset; u64 offset;
}; };
@ -233,7 +233,7 @@ static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
{ {
struct qxl_ttm_tt *gtt = (void *)ttm; struct qxl_ttm_tt *gtt = (void *)ttm;
ttm_dma_tt_fini(&gtt->ttm); ttm_tt_fini(&gtt->ttm);
kfree(gtt); 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); gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
if (gtt == NULL) if (gtt == NULL)
return NULL; return NULL;
gtt->ttm.ttm.func = &qxl_backend_func; gtt->ttm.func = &qxl_backend_func;
gtt->qdev = qdev; gtt->qdev = qdev;
if (ttm_dma_tt_init(&gtt->ttm, bo, page_flags)) { if (ttm_tt_init(&gtt->ttm, bo, page_flags)) {
kfree(gtt); kfree(gtt);
return NULL; return NULL;
} }
return &gtt->ttm.ttm; return &gtt->ttm;
} }
static void qxl_move_null(struct ttm_buffer_object *bo, static void qxl_move_null(struct ttm_buffer_object *bo,