| Date | Tue, 24 Aug 2010 15:44:52 -0700 | From | Greg KH <> | Subject | [047/114] drm/i915/edp: Flush the write before waiting for PLLs |
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2.6.35-stable review patch. If anyone has any objections, please let us know.
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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 @@ -1502,6 +1502,7 @@ 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); }
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