diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.h | 39 |
1 files changed, 13 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.h b/drivers/gpu/drm/i915/i915_gem_context.h index 2d02918a449e..44688e22a5c2 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.h +++ b/drivers/gpu/drm/i915/i915_gem_context.h @@ -27,6 +27,7 @@ #include <linux/bitops.h> #include <linux/list.h> +#include <linux/radix-tree.h> struct pid; @@ -149,32 +150,6 @@ struct i915_gem_context { /** ggtt_offset_bias: placement restriction for context objects */ u32 ggtt_offset_bias; - struct i915_gem_context_vma_lut { - /** ht_size: last request size to allocate the hashtable for. */ - unsigned int ht_size; -#define I915_CTX_RESIZE_IN_PROGRESS BIT(0) - /** ht_bits: real log2(size) of hashtable. */ - unsigned int ht_bits; - /** ht_count: current number of entries inside the hashtable */ - unsigned int ht_count; - - /** ht: the array of buckets comprising the simple hashtable */ - struct hlist_head *ht; - - /** - * resize: After an execbuf completes, we check the load factor - * of the hashtable. If the hashtable is too full, or too empty, - * we schedule a task to resize the hashtable. During the - * resize, the entries are moved between different buckets and - * so we cannot simultaneously read the hashtable as it is - * being resized (unlike rhashtable). Therefore we treat the - * active work as a strong barrier, pausing a subsequent - * execbuf to wait for the resize worker to complete, if - * required. - */ - struct work_struct resize; - } vma_lut; - /** engine: per-engine logical HW state */ struct intel_context { struct i915_vma *state; @@ -205,6 +180,18 @@ struct i915_gem_context { /** remap_slice: Bitmask of cache lines that need remapping */ u8 remap_slice; + + /** handles_vma: rbtree to look up our context specific obj/vma for + * the user handle. (user handles are per fd, but the binding is + * per vm, which may be one per context or shared with the global GTT) + */ + struct radix_tree_root handles_vma; + + /** handles_list: reverse list of all the rbtree entries in use for + * this context, which allows us to free all the allocations on + * context close. + */ + struct list_head handles_list; }; static inline bool i915_gem_context_is_closed(const struct i915_gem_context *ctx) |
