diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index edd49067c8ca..1f7dac63abb7 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -11,33 +11,34 @@ #include <linux/mutex.h> #include <linux/io-mapping.h> #include <drm/drm_mm.h> - -#include "i915_buddy.h" +#include <drm/i915_drm.h> struct drm_i915_private; struct drm_i915_gem_object; struct intel_memory_region; struct sg_table; +struct ttm_resource; -/** - * Base memory type - */ enum intel_memory_type { - INTEL_MEMORY_SYSTEM = 0, - INTEL_MEMORY_LOCAL, + INTEL_MEMORY_SYSTEM = I915_MEMORY_CLASS_SYSTEM, + INTEL_MEMORY_LOCAL = I915_MEMORY_CLASS_DEVICE, INTEL_MEMORY_STOLEN_SYSTEM, + INTEL_MEMORY_STOLEN_LOCAL, + INTEL_MEMORY_MOCK, }; enum intel_region_id { INTEL_REGION_SMEM = 0, INTEL_REGION_LMEM, INTEL_REGION_STOLEN_SMEM, + INTEL_REGION_STOLEN_LMEM, INTEL_REGION_UNKNOWN, /* Should be last */ }; #define REGION_SMEM BIT(INTEL_REGION_SMEM) #define REGION_LMEM BIT(INTEL_REGION_LMEM) #define REGION_STOLEN_SMEM BIT(INTEL_REGION_STOLEN_SMEM) +#define REGION_STOLEN_LMEM BIT(INTEL_REGION_STOLEN_LMEM) #define I915_ALLOC_MIN_PAGE_SIZE BIT(0) #define I915_ALLOC_CONTIGUOUS BIT(1) @@ -58,10 +59,19 @@ struct intel_memory_region_ops { unsigned int flags); }; +struct intel_memory_region_private_ops { + struct ttm_resource *(*reserve)(struct intel_memory_region *mem, + resource_size_t offset, + resource_size_t size); + void (*free)(struct intel_memory_region *mem, + struct ttm_resource *res); +}; + struct intel_memory_region { struct drm_i915_private *i915; const struct intel_memory_region_ops *ops; + const struct intel_memory_region_private_ops *priv_ops; struct io_mapping iomap; struct resource region; @@ -69,7 +79,6 @@ struct intel_memory_region { /* For fake LMEM */ struct drm_mm_node fake_mappable; - struct i915_buddy_mm mm; struct mutex mm_lock; struct kref kref; @@ -82,7 +91,8 @@ struct intel_memory_region { u16 type; u16 instance; enum intel_region_id id; - char name[8]; + char name[16]; + bool private; /* not for userspace */ struct list_head reserved; @@ -93,25 +103,17 @@ struct intel_memory_region { struct list_head list; struct list_head purgeable; } objects; -}; -int intel_memory_region_init_buddy(struct intel_memory_region *mem); -void intel_memory_region_release_buddy(struct intel_memory_region *mem); - -int __intel_memory_region_get_pages_buddy(struct intel_memory_region *mem, - resource_size_t size, - unsigned int flags, - struct list_head *blocks); -struct i915_buddy_block * -__intel_memory_region_get_block_buddy(struct intel_memory_region *mem, - resource_size_t size, - unsigned int flags); -void __intel_memory_region_put_pages_buddy(struct intel_memory_region *mem, - struct list_head *blocks); -void __intel_memory_region_put_block_buddy(struct i915_buddy_block *block); + size_t chunk_size; + unsigned int max_order; + bool is_range_manager; -int intel_memory_region_reserve(struct intel_memory_region *mem, - u64 offset, u64 size); + void *region_private; +}; + +struct intel_memory_region * +intel_memory_region_lookup(struct drm_i915_private *i915, + u16 class, u16 instance); struct intel_memory_region * intel_memory_region_create(struct drm_i915_private *i915, @@ -119,6 +121,8 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + u16 type, + u16 instance, const struct intel_memory_region_ops *ops); struct intel_memory_region * @@ -135,4 +139,9 @@ __printf(2, 3) void intel_memory_region_set_name(struct intel_memory_region *mem, const char *fmt, ...); +void intel_memory_region_unreserve(struct intel_memory_region *mem); + +int intel_memory_region_reserve(struct intel_memory_region *mem, + resource_size_t offset, + resource_size_t size); #endif |