Commit 23f166ca authored by Christian König's avatar Christian König
Browse files

drm/vram-helper: stop using TTM_MEMTYPE_FLAG_MAPPABLE 



The helper doesn't expose any not-mapable memory resources.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/377649/
parent 7c7b2a35

drivers/gpu/drm/drm_gem_vram_helper.c

+2 −7
Original line number Diff line number Diff line
@@ -1009,14 +1009,13 @@ static int bo_driver_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, 
{

	switch (type) {

	case TTM_PL_SYSTEM:

		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;

		man->flags = 0;

		man->available_caching = TTM_PL_MASK_CACHING;

		man->default_caching = TTM_PL_FLAG_CACHED;

		break;

	case TTM_PL_VRAM:

		man->func = &ttm_bo_manager_func;

		man->flags = TTM_MEMTYPE_FLAG_FIXED |

			     TTM_MEMTYPE_FLAG_MAPPABLE;

		man->flags = TTM_MEMTYPE_FLAG_FIXED;

		man->available_caching = TTM_PL_FLAG_UNCACHED |

					 TTM_PL_FLAG_WC;

		man->default_caching = TTM_PL_FLAG_WC;
@@ -1059,12 +1058,8 @@ static void bo_driver_move_notify(struct ttm_buffer_object *bo, 
static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,

				    struct ttm_mem_reg *mem)

{

	struct ttm_mem_type_manager *man = bdev->man + mem->mem_type;

	struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bdev);



	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))

		return -EINVAL;



	mem->bus.addr = NULL;

	mem->bus.size = mem->num_pages << PAGE_SHIFT;

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