From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932670Ab0HXXqH (ORCPT ); Tue, 24 Aug 2010 19:46:07 -0400 Received: from kroah.org ([198.145.64.141]:52125 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756468Ab0HXWxs (ORCPT ); Tue, 24 Aug 2010 18:53:48 -0400 X-Mailbox-Line: From gregkh@clark.site Tue Aug 24 15:25:24 2010 Message-Id: <20100824222524.241490015@clark.site> User-Agent: quilt/0.48-11.2 Date: Tue, 24 Aug 2010 15:24:33 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Chris Wilson , Eric Anholt Subject: [21/59] drm/i915/edp: Flush the write before waiting for PLLs In-Reply-To: <20100824224625.GA5449@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.32-stable review patch. If anyone has any objections, please let us know. ------------------ From: Chris Wilson commit 5ddb954b9ee50824977d2931e0ff58b3050b337d upstream. Signed-off-by: Chris Wilson Signed-off-by: Eric Anholt Signed-off-by: Greg Kroah-Hartman --- 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 @@ -1402,6 +1402,7 @@ static void igdng_enable_pll_edp (struct dpa_ctl = I915_READ(DP_A); dpa_ctl |= DP_PLL_ENABLE; I915_WRITE(DP_A, dpa_ctl); + POSTING_READ(DP_A); udelay(200); }