gpu/drm/drm_gem_atomic_helper.c

21  * synchronization helpers, and plane state and framebuffer BO mappings
43  * a mapping of the shadow buffer into kernel address space. The mappings
47  * The helpers for shadow-buffered planes establish and release mappings,
70  * In the driver's atomic-update function, shadow-buffer mappings are available
87  * struct &drm_shadow_plane_state.map. The mappings are valid while the state
92  * callbacks. Access to shadow-buffer mappings is similar to regular
212  * The function does not duplicate existing mappings of the shadow buffers.
213  * Mappings are maintained during the atomic commit by the plane's prepare_fb
241  * The function does not duplicate existing mappings of the shadow buffers.
242  * Mappings are maintained during the atomic commit by the plane's prepare_fb
287  * for shadow-buffered planes. It expects that mappings of shadow buffers
447  * for shadow-buffered planes. It does not duplicate existing mappings of the shadow
448  * buffers. Mappings are maintained during the atomic commit by the plane's prepare_fb
467  * for shadow-buffered planes. It expects that mappings of shadow buffers