drm/i915: Make pin count per VMA
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 780f815..bf022c4a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -651,6 +651,19 @@
unsigned long exec_handle;
struct drm_i915_gem_exec_object2 *exec_entry;
+ /**
+ * How many users have pinned this object in GTT space. The following
+ * users can each hold at most one reference: pwrite/pread, pin_ioctl
+ * (via user_pin_count), execbuffer (objects are not allowed multiple
+ * times for the same batchbuffer), and the framebuffer code. When
+ * switching/pageflipping, the framebuffer code has at most two buffers
+ * pinned per crtc.
+ *
+ * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
+ * bits with absolutely no headroom. So use 4 bits.
+ */
+ unsigned int pin_count:4;
+#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
};
struct i915_ctx_hang_stats {
@@ -1617,18 +1630,6 @@
*/
unsigned int fence_dirty:1;
- /** How many users have pinned this object in GTT space. The following
- * users can each hold at most one reference: pwrite/pread, pin_ioctl
- * (via user_pin_count), execbuffer (objects are not allowed multiple
- * times for the same batchbuffer), and the framebuffer code. When
- * switching/pageflipping, the framebuffer code has at most two buffers
- * pinned per crtc.
- *
- * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
- * bits with absolutely no headroom. So use 4 bits. */
- unsigned int pin_count:4;
-#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
-
/**
* Is the object at the current location in the gtt mappable and
* fenceable? Used to avoid costly recalculations.
@@ -2005,7 +2006,7 @@
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking);
-void i915_gem_object_unpin(struct drm_i915_gem_object *obj);
+void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
int __must_check i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
@@ -2168,6 +2169,13 @@
struct i915_address_space *vm);
struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
+static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
+ struct i915_vma *vma;
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ if (vma->pin_count > 0)
+ return true;
+ return false;
+}
/* Some GGTT VM helpers */
#define obj_to_ggtt(obj) \