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authorDaniel Vetter <daniel.vetter@ffwll.ch>2010-02-11 14:14:42 +0100
committerEric Anholt <eric@anholt.net>2010-02-22 11:54:29 -0500
commit4667a4a52ffc3789c45f46096cdffb053591a8e1 (patch)
tree46b77eb6124f56e1bb465cd26150ef5f2ee2e294 /drivers/gpu/drm/i915/intel_overlay.c
parent4a9bef37e5cf2c73b61ecc9ead52cad2eb4a372b (diff)
drm/i915: overlay: nuke readback to flush wc caches
I retested this and whatever this papered over, the problem doesn't seem to exist anymore. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Eric Anholt <eric@anholt.net> [anholt: fixed up compile warning] Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 2639591c72e..1257dc3cb47 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -199,16 +199,11 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
-
if (OVERLAY_NONPHYSICAL(overlay->dev))
io_mapping_unmap_atomic(overlay->virt_addr);
overlay->virt_addr = NULL;
- I915_READ(OVADD); /* flush wc cashes */
-
return;
}