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[10/11] drm/i915: overlay: nuke readback to flush wc caches

Message ID 7353308ce2b1dfe4316f661162f30399f163f2c8.1265028983.git.daniel.vetter@ffwll.ch (mailing list archive)
State Accepted
Headers show

Commit Message

Daniel Vetter Feb. 1, 2010, 12:59 p.m. UTC 
None
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Patch

diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 2639591..566614c 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -207,8 +207,6 @@  static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
 
 	overlay->virt_addr = NULL;
 
-	I915_READ(OVADD); /* flush wc cashes */
-
 	return;
 }