Commit 08826772 authored by Maarten Lankhorst's avatar Maarten Lankhorst
Browse files

drm/xe: Extract xe_bo_is_visible_vram 



This will make it possible to call from xe_display code.

Reviewed-by: default avatarFrancois Dugast <francois.dugast@intel.com>
Link: https://lore.kernel.org/r/20251016075701.379023-2-jfalempe@redhat.com


Signed-off-by: default avatarMaarten Lankhorst <dev@lankhorst.se>
parent e681ddca

drivers/gpu/drm/xe/xe_bo.c

+18 −1
Original line number Diff line number Diff line
@@ -609,6 +609,23 @@ static bool xe_ttm_resource_visible(struct ttm_resource *mem) 
	return vres->used_visible_size == mem->size;

}



/**

 * xe_bo_is_visible_vram - check if BO is placed entirely in visible VRAM.

 * @bo: The BO

 *

 * This function checks whether a given BO resides entirely in memory visible from the CPU

 *

 * Returns: true if the BO is entirely visible, false otherwise.

 *

 */

bool xe_bo_is_visible_vram(struct xe_bo *bo)

{

	if (drm_WARN_ON(bo->ttm.base.dev, !xe_bo_is_vram(bo)))

		return false;



	return xe_ttm_resource_visible(bo->ttm.resource);

}



static int xe_ttm_io_mem_reserve(struct ttm_device *bdev,

				 struct ttm_resource *mem)

{
@@ -1634,7 +1651,7 @@ static int xe_ttm_access_memory(struct ttm_buffer_object *ttm_bo, 
	if (!mem_type_is_vram(ttm_bo->resource->mem_type))

		return -EIO;



	if (!xe_ttm_resource_visible(ttm_bo->resource) || len >= SZ_16K) {

	if (!xe_bo_is_visible_vram(bo) || len >= SZ_16K) {

		struct xe_migrate *migrate =

			mem_type_to_migrate(xe, ttm_bo->resource->mem_type);

drivers/gpu/drm/xe/xe_bo.h

+1 −0
Original line number Diff line number Diff line
@@ -274,6 +274,7 @@ int xe_bo_read(struct xe_bo *bo, u64 offset, void *dst, int size); 


bool mem_type_is_vram(u32 mem_type);

bool xe_bo_is_vram(struct xe_bo *bo);

bool xe_bo_is_visible_vram(struct xe_bo *bo);

bool xe_bo_is_stolen(struct xe_bo *bo);

bool xe_bo_is_stolen_devmem(struct xe_bo *bo);

bool xe_bo_is_vm_bound(struct xe_bo *bo);