drm/i915: Apply i830 errata for cursor alignment

i830 requires 32bpp cursors to be aligned to 16KB, so we have to expose
the alignment parameter to i915_gem_attach_phys_object().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4b0ffb6c556..8df6ac73518 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1000,7 +1000,9 @@ int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
                                       int write);
 int i915_gem_object_set_to_display_plane(struct drm_gem_object *obj);
 int i915_gem_attach_phys_object(struct drm_device *dev,
-                                struct drm_gem_object *obj, int id);
+                                struct drm_gem_object *obj,
+                                int id,
+                                int align);
 void i915_gem_detach_phys_object(struct drm_device *dev,
                                  struct drm_gem_object *obj);
 void i915_gem_free_all_phys_object(struct drm_device *dev);