drm/i915: Add intel implementation of the pageflip ioctl
Acked-by: Jakob Bornecrantz <jakob@vmware.com>
Acked-by: Thomas Hellström <thomas@shipmail.org>
Review-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jesse "Orange Smoothie" Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 450dcf0..ca1ba42 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -536,6 +536,10 @@
/* indicate whether the LVDS_BORDER should be enabled or not */
unsigned int lvds_border_bits;
+ struct drm_crtc *plane_to_crtc_mapping[2];
+ struct drm_crtc *pipe_to_crtc_mapping[2];
+ wait_queue_head_t pending_flip_queue;
+
/* Reclocking support */
bool render_reclock_avail;
bool lvds_downclock_avail;
@@ -639,6 +643,13 @@
* Advice: are the backing pages purgeable?
*/
int madv;
+
+ /**
+ * Number of crtcs where this object is currently the fb, but
+ * will be page flipped away on the next vblank. When it
+ * reaches 0, dev_priv->pending_flip_queue will be woken up.
+ */
+ atomic_t pending_flip;
};
/**
@@ -830,6 +841,7 @@
int i915_gem_object_get_pages(struct drm_gem_object *obj);
void i915_gem_object_put_pages(struct drm_gem_object *obj);
void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
+void i915_gem_object_flush_write_domain(struct drm_gem_object *obj);
void i915_gem_shrinker_init(void);
void i915_gem_shrinker_exit(void);