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drm/vram-helper: stop using TTM_MEMTYPE_FLAG_MAPPABLE 

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

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/377649/
This commit is contained in:
Christian König 2020-07-16 13:58:35 +02:00
parent 7c7b2a35a9
commit 23f166ca9a
1 changed files with 2 additions and 7 deletions
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9
drivers/gpu/drm/drm_gem_vram_helper.c
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@ -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;