Commit 409b9499 authored by Sanjay Yadav's avatar Sanjay Yadav Committed by Matthew Auld
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drm/xe/uapi: Add documentation for DRM_XE_GEM_CREATE_FLAG_SCANOUT 



Add documentation for drm_xe_gem_create structure flag
DRM_XE_GEM_CREATE_FLAG_SCANOUT.

Signed-off-by: default avatarSanjay Yadav <sanjay.kumar.yadav@intel.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Signed-off-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20251014142823.3701228-2-sanjay.kumar.yadav@intel.com
parent a10b4a69

include/uapi/drm/xe_drm.h

+5 −1
Original line number Diff line number Diff line
@@ -771,7 +771,11 @@ struct drm_xe_device_query { 
 *    until the object is either bound to a virtual memory region via

 *    VM_BIND or accessed by the CPU. As a result, no backing memory is

 *    reserved at the time of GEM object creation.

 *  - %DRM_XE_GEM_CREATE_FLAG_SCANOUT

 *  - %DRM_XE_GEM_CREATE_FLAG_SCANOUT - Indicates that the GEM object is

 *    intended for scanout via the display engine. When set, kernel ensures

 *    that the allocation is placed in a memory region compatible with the

 *    display engine requirements. This may impose restrictions on tiling,

 *    alignment, and memory placement to guarantee proper display functionality.

 *  - %DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM - When using VRAM as a

 *    possible placement, ensure that the corresponding VRAM allocation

 *    will always use the CPU accessible part of VRAM. This is important