2.6.34-stable review patch. If anyone has any objections, please let us know.
------------------
From: Chris Wilson <chris@chris-wilson.co.uk>
commit 5ddb954b9ee50824977d2931e0ff58b3050b337d upstream.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/gpu/drm/i915/intel_display.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1470,6 +1470,7 @@ static void ironlake_enable_pll_edp (str
dpa_ctl = I915_READ(DP_A);
dpa_ctl |= DP_PLL_ENABLE;
I915_WRITE(DP_A, dpa_ctl);
+ POSTING_READ(DP_A);
udelay(200);
}
--