diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_ttm.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm.h | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h index 0b7291dd897c..9d698ad00853 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h @@ -5,6 +5,8 @@ #ifndef _I915_GEM_TTM_H_ #define _I915_GEM_TTM_H_ +#include <drm/ttm/ttm_placement.h> + #include "gem/i915_gem_object_types.h" /** @@ -35,7 +37,7 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo); static inline struct drm_i915_gem_object * i915_ttm_to_gem(struct ttm_buffer_object *bo) { - if (GEM_WARN_ON(bo->destroy != i915_ttm_bo_destroy)) + if (bo->destroy != i915_ttm_bo_destroy) return NULL; return container_of(bo, struct drm_i915_gem_object, __do_not_access); @@ -47,10 +49,6 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem, resource_size_t page_size, unsigned int flags); -int i915_gem_obj_copy_ttm(struct drm_i915_gem_object *dst, - struct drm_i915_gem_object *src, - bool allow_accel, bool intr); - /* Internal I915 TTM declarations and definitions below. */ #define I915_PL_LMEM0 TTM_PL_PRIV @@ -60,4 +58,37 @@ int i915_gem_obj_copy_ttm(struct drm_i915_gem_object *dst, struct ttm_placement *i915_ttm_sys_placement(void); +void i915_ttm_free_cached_io_rsgt(struct drm_i915_gem_object *obj); + +struct i915_refct_sgt * +i915_ttm_resource_get_st(struct drm_i915_gem_object *obj, + struct ttm_resource *res); + +void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj); + +int i915_ttm_purge(struct drm_i915_gem_object *obj); + +/** + * i915_ttm_gtt_binds_lmem - Should the memory be viewed as LMEM by the GTT? + * @mem: struct ttm_resource representing the memory. + * + * Return: true if memory should be viewed as LMEM for GTT binding purposes, + * false otherwise. + */ +static inline bool i915_ttm_gtt_binds_lmem(struct ttm_resource *mem) +{ + return mem->mem_type != I915_PL_SYSTEM; +} + +/** + * i915_ttm_cpu_maps_iomem - Should the memory be viewed as IOMEM by the CPU? + * @mem: struct ttm_resource representing the memory. + * + * Return: true if memory should be viewed as IOMEM for CPU mapping purposes. + */ +static inline bool i915_ttm_cpu_maps_iomem(struct ttm_resource *mem) +{ + /* Once / if we support GGTT, this is also false for cached ttm_tts */ + return mem->mem_type != I915_PL_SYSTEM; +} #endif |