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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c69
1 files changed, 43 insertions, 26 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index dbb068830d80..2dc031fe4a90 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -265,6 +265,7 @@ static dma_addr_t __vmw_piter_sg_addr(struct vmw_piter *viter)
*
* @viter: Pointer to the iterator to initialize
* @vsgt: Pointer to a struct vmw_sg_table to initialize from
+ * @p_offset: Pointer offset used to update current array position
*
* Note that we're following the convention of __sg_page_iter_start, so that
* the iterator doesn't point to a valid page after initialization; it has
@@ -482,7 +483,7 @@ const struct vmw_sg_table *vmw_bo_sg_table(struct ttm_buffer_object *bo)
}
-static int vmw_ttm_bind(struct ttm_bo_device *bdev,
+static int vmw_ttm_bind(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_resource *bo_mem)
{
struct vmw_ttm_tt *vmw_be =
@@ -526,7 +527,7 @@ static int vmw_ttm_bind(struct ttm_bo_device *bdev,
return ret;
}
-static void vmw_ttm_unbind(struct ttm_bo_device *bdev,
+static void vmw_ttm_unbind(struct ttm_device *bdev,
struct ttm_tt *ttm)
{
struct vmw_ttm_tt *vmw_be =
@@ -552,7 +553,7 @@ static void vmw_ttm_unbind(struct ttm_bo_device *bdev,
}
-static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
{
struct vmw_ttm_tt *vmw_be =
container_of(ttm, struct vmw_ttm_tt, dma_ttm);
@@ -572,21 +573,42 @@ static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
}
-static int vmw_ttm_populate(struct ttm_bo_device *bdev,
+static int vmw_ttm_populate(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
+ unsigned int i;
+ int ret;
+
/* TODO: maybe completely drop this ? */
if (ttm_tt_is_populated(ttm))
return 0;
- return ttm_pool_alloc(&bdev->pool, ttm, ctx);
+ ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ttm->num_pages; ++i) {
+ ret = ttm_mem_global_alloc_page(&ttm_mem_glob, ttm->pages[i],
+ PAGE_SIZE, ctx);
+ if (ret)
+ goto error;
+ }
+ return 0;
+
+error:
+ while (i--)
+ ttm_mem_global_free_page(&ttm_mem_glob, ttm->pages[i],
+ PAGE_SIZE);
+ ttm_pool_free(&bdev->pool, ttm);
+ return ret;
}
-static void vmw_ttm_unpopulate(struct ttm_bo_device *bdev,
+static void vmw_ttm_unpopulate(struct ttm_device *bdev,
struct ttm_tt *ttm)
{
struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt,
dma_ttm);
+ unsigned int i;
if (vmw_tt->mob) {
vmw_mob_destroy(vmw_tt->mob);
@@ -594,6 +616,11 @@ static void vmw_ttm_unpopulate(struct ttm_bo_device *bdev,
}
vmw_ttm_unmap_dma(vmw_tt);
+
+ for (i = 0; i < ttm->num_pages; ++i)
+ ttm_mem_global_free_page(&ttm_mem_glob, ttm->pages[i],
+ PAGE_SIZE);
+
ttm_pool_free(&bdev->pool, ttm);
}
@@ -639,7 +666,7 @@ static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp)
return vmw_user_bo_verify_access(bo, tfile);
}
-static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
+static int vmw_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
{
struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
@@ -664,20 +691,19 @@ static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resourc
* vmw_move_notify - TTM move_notify_callback
*
* @bo: The TTM buffer object about to move.
- * @mem: The struct ttm_resource indicating to what memory
+ * @old_mem: The old memory where we move from
+ * @new_mem: The struct ttm_resource indicating to what memory
* region the move is taking place.
*
* Calls move_notify for all subsystems needing it.
* (currently only resources).
*/
static void vmw_move_notify(struct ttm_buffer_object *bo,
- bool evict,
- struct ttm_resource *mem)
+ struct ttm_resource *old_mem,
+ struct ttm_resource *new_mem)
{
- if (!mem)
- return;
- vmw_bo_move_notify(bo, mem);
- vmw_query_move_notify(bo, mem);
+ vmw_bo_move_notify(bo, new_mem);
+ vmw_query_move_notify(bo, old_mem, new_mem);
}
@@ -708,7 +734,7 @@ static int vmw_move(struct ttm_buffer_object *bo,
return ret;
}
- vmw_move_notify(bo, evict, new_mem);
+ vmw_move_notify(bo, &bo->mem, new_mem);
if (old_man->use_tt && new_man->use_tt) {
if (bo->mem.mem_type == TTM_PL_SYSTEM) {
@@ -730,19 +756,11 @@ static int vmw_move(struct ttm_buffer_object *bo,
}
return 0;
fail:
- swap(*new_mem, bo->mem);
- vmw_move_notify(bo, false, new_mem);
- swap(*new_mem, bo->mem);
+ vmw_move_notify(bo, new_mem, &bo->mem);
return ret;
}
-static void
-vmw_delete_mem_notify(struct ttm_buffer_object *bo)
-{
- vmw_move_notify(bo, false, NULL);
-}
-
-struct ttm_bo_driver vmw_bo_driver = {
+struct ttm_device_funcs vmw_bo_driver = {
.ttm_tt_create = &vmw_ttm_tt_create,
.ttm_tt_populate = &vmw_ttm_populate,
.ttm_tt_unpopulate = &vmw_ttm_unpopulate,
@@ -751,7 +769,6 @@ struct ttm_bo_driver vmw_bo_driver = {
.evict_flags = vmw_evict_flags,
.move = vmw_move,
.verify_access = vmw_verify_access,
- .delete_mem_notify = vmw_delete_mem_notify,
.swap_notify = vmw_swap_notify,
.io_mem_reserve = &vmw_ttm_io_mem_reserve,
};