The helper doesn't expose any not-mapable memory resources.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index e62a2b68fe3a..b6e4e49027aa 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1017,14 +1017,13 @@ 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;
@@ -1067,12 +1066,8 @@ 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;
--
2.17.1
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