diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 88f3aca02b08..ab7d1b26c773 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -541,8 +541,25 @@ struct drm_xe_gem_create { */ __u32 handle; + /** + * @cpu_caching: The CPU caching mode to select for this object. If + * mmaping the object the mode selected here will also be used. + * + * Supported values: + * + * DRM_XE_GEM_CPU_CACHING_WB: Allocate the pages with write-back + * caching. On iGPU this can't be used for scanout surfaces. Currently + * not allowed for objects placed in VRAM. + * + * DRM_XE_GEM_CPU_CACHING_WC: Allocate the pages as write-combined. This + * is uncached. Scanout surfaces should likely use this. All objects + * that can be placed in VRAM must use this. + */ +#define DRM_XE_GEM_CPU_CACHING_WB 1 +#define DRM_XE_GEM_CPU_CACHING_WC 2 + __u16 cpu_caching; /** @pad: MBZ */ - __u32 pad; + __u16 pad; /** @reserved: Reserved */ __u64 reserved[2]; |