Overhaul the pread and pwrite code to match what Linux does. Should fix a few

more cache coherency issues, hopefully reducing the number of artifacts
showing up the screen.

1 files changed, 13 insertions, 1 deletions

diff --git a/sys/dev/pci/drm/i915/i915_trace.h b/sys/dev/pci/drm/i915/i915_trace.h
index 15503b4e632..67cb00404f9 100644
--- a/sys/dev/pci/drm/i915/i915_trace.h
+++ b/sys/dev/pci/drm/i915/i915_trace.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: i915_trace.h,v 1.9 2013/12/01 11:47:13 kettenis Exp $	*/
+/*	$OpenBSD: i915_trace.h,v 1.10 2013/12/15 11:42:10 kettenis Exp $	*/
 /*
  * Copyright (c) 2013 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -47,6 +47,18 @@ trace_i915_gem_object_change_domain(struct drm_i915_gem_object *obj,
 }
 
 static inline void
+trace_i915_gem_object_pwrite(struct drm_i915_gem_object *obj,
+			     u32 offset, u32 len)
+{
+}
+
+static inline void
+trace_i915_gem_object_pread(struct drm_i915_gem_object *obj,
+			    u32 offset, u32 len)
+{
+}
+
+static inline void
 trace_i915_gem_object_bind(struct drm_i915_gem_object *obj, bool mappable)
 {
 }