drm/ttm: move placement structures into ttm_placement.h (7c732ea6) · Commits · 戴 / test

include/drm/ttm/ttm_bo_api.h

+1 −31

Original line number	Diff line number	Diff line
		@@ -45,37 +45,7 @@ struct ttm_bo_device;

		struct drm_mm_node;

		/**
		* struct ttm_place
		*
		* @fpfn: first valid page frame number to put the object
		* @lpfn: last valid page frame number to put the object
		* @flags: memory domain and caching flags for the object
		*
		* Structure indicating a possible place to put an object.
		*/
		struct ttm_place {
		unsigned fpfn;
		unsigned lpfn;
		uint32_t flags;
		};

		/**
		* struct ttm_placement
		*
		* @num_placement: number of preferred placements
		* @placement: preferred placements
		* @num_busy_placement: number of preferred placements when need to evict buffer
		* @busy_placement: preferred placements when need to evict buffer
		*
		* Structure indicating the placement you request for an object.
		*/
		struct ttm_placement {
		unsigned num_placement;
		const struct ttm_place *placement;
		unsigned num_busy_placement;
		const struct ttm_place *busy_placement;
		};
		struct ttm_placement;

		/**
		* struct ttm_bus_placement

+35 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,9 @@

		#ifndef _TTM_PLACEMENT_H_
		#define _TTM_PLACEMENT_H_

		#include <linux/types.h>

		/*
		* Memory regions for data placement.
		*/
		@@ -69,4 +72,36 @@

		#define TTM_PL_MASK_MEMTYPE (TTM_PL_MASK_MEM \| TTM_PL_MASK_CACHING)

		/**
		* struct ttm_place
		*
		* @fpfn: first valid page frame number to put the object
		* @lpfn: last valid page frame number to put the object
		* @flags: memory domain and caching flags for the object
		*
		* Structure indicating a possible place to put an object.
		*/
		struct ttm_place {
		unsigned fpfn;
		unsigned lpfn;
		uint32_t flags;
		};

		/**
		* struct ttm_placement
		*
		* @num_placement: number of preferred placements
		* @placement: preferred placements
		* @num_busy_placement: number of preferred placements when need to evict buffer
		* @busy_placement: preferred placements when need to evict buffer
		*
		* Structure indicating the placement you request for an object.
		*/
		struct ttm_placement {
		unsigned num_placement;
		const struct ttm_place *placement;
		unsigned num_busy_placement;
		const struct ttm_place *busy_placement;
		};

		#endif