diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_object.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_object.h | 74 |
1 files changed, 69 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h index 5b19a4916a4d..63ce38c1cce9 100644 --- a/drivers/gpu/drm/i915/i915_gem_object.h +++ b/drivers/gpu/drm/i915/i915_gem_object.h @@ -33,8 +33,24 @@ #include <drm/i915_drm.h> +#include "i915_gem_request.h" #include "i915_selftest.h" +struct drm_i915_gem_object; + +/* + * struct i915_lut_handle tracks the fast lookups from handle to vma used + * for execbuf. Although we use a radixtree for that mapping, in order to + * remove them as the object or context is closed, we need a secondary list + * and a translation entry (i915_lut_handle). + */ +struct i915_lut_handle { + struct list_head obj_link; + struct list_head ctx_link; + struct i915_gem_context *ctx; + u32 handle; +}; + struct drm_i915_gem_object_ops { unsigned int flags; #define I915_GEM_OBJECT_HAS_STRUCT_PAGE BIT(0) @@ -53,7 +69,7 @@ struct drm_i915_gem_object_ops { * being released or under memory pressure (where we attempt to * reap pages for the shrinker). */ - struct sg_table *(*get_pages)(struct drm_i915_gem_object *); + int (*get_pages)(struct drm_i915_gem_object *); void (*put_pages)(struct drm_i915_gem_object *, struct sg_table *); int (*pwrite)(struct drm_i915_gem_object *, @@ -86,11 +102,18 @@ struct drm_i915_gem_object { * They are also added to @vma_list for easy iteration. */ struct rb_root vma_tree; - struct i915_vma *vma_hashed; + + /** + * @lut_list: List of vma lookup entries in use for this object. + * + * If this object is closed, we need to remove all of its VMA from + * the fast lookup index in associated contexts; @lut_list provides + * this translation from object to context->handles_vma. + */ + struct list_head lut_list; /** Stolen memory for this object, instead of being backed by shmem. */ struct drm_mm_node *stolen; - struct list_head global_link; union { struct rcu_head rcu; struct llist_node freed; @@ -99,6 +122,7 @@ struct drm_i915_gem_object { /** * Whether the object is currently in the GGTT mmap. */ + unsigned int userfault_count; struct list_head userfault_link; struct list_head batch_pool_link; @@ -118,8 +142,10 @@ struct drm_i915_gem_object { */ unsigned long gt_ro:1; unsigned int cache_level:3; + unsigned int cache_coherent:2; +#define I915_BO_CACHE_COHERENT_FOR_READ BIT(0) +#define I915_BO_CACHE_COHERENT_FOR_WRITE BIT(1) unsigned int cache_dirty:1; - unsigned int cache_coherent:1; atomic_t frontbuffer_bits; unsigned int frontbuffer_ggtt_origin; /* write once */ @@ -134,7 +160,8 @@ struct drm_i915_gem_object { /** Count of VMA actually bound by this object */ unsigned int bind_count; unsigned int active_count; - unsigned int pin_display; + /** Count of how many global VMA are currently pinned for use by HW */ + unsigned int pin_global; struct { struct mutex lock; /* protects the pages and their use */ @@ -143,6 +170,35 @@ struct drm_i915_gem_object { struct sg_table *pages; void *mapping; + /* TODO: whack some of this into the error state */ + struct i915_page_sizes { + /** + * The sg mask of the pages sg_table. i.e the mask of + * of the lengths for each sg entry. + */ + unsigned int phys; + + /** + * The gtt page sizes we are allowed to use given the + * sg mask and the supported page sizes. This will + * express the smallest unit we can use for the whole + * object, as well as the larger sizes we may be able + * to use opportunistically. + */ + unsigned int sg; + + /** + * The actual gtt page size usage. Since we can have + * multiple vma associated with this object we need to + * prevent any trampling of state, hence a copy of this + * struct also lives in each vma, therefore the gtt + * value here should only be read/write through the vma. + */ + unsigned int gtt; + } page_sizes; + + I915_SELFTEST_DECLARE(unsigned int page_mask); + struct i915_gem_object_page_iter { struct scatterlist *sg_pos; unsigned int sg_idx; /* in pages, but 32bit eek! */ @@ -152,6 +208,12 @@ struct drm_i915_gem_object { } get_page; /** + * Element within i915->mm.unbound_list or i915->mm.bound_list, + * locked by i915->mm.obj_lock. + */ + struct list_head link; + + /** * Advice: are the backing pages purgeable? */ unsigned int madv:2; @@ -391,6 +453,8 @@ i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj) return engine; } +void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj, + unsigned int cache_level); void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj); #endif |