From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [regression] drm/i915: Flush pending writes on i830/i845 after updating GTT Date: Thu, 30 Dec 2010 09:51:49 +0000 Message-ID: References: <1293701795.5595.7.camel@zwerg> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 1EC369E943 for ; Thu, 30 Dec 2010 01:51:52 -0800 (PST) In-Reply-To: <1293701795.5595.7.camel@zwerg> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Alexey Fisher , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, 30 Dec 2010 10:36:35 +0100, Alexey Fisher wrote: > Hi, > after this patch i get some rendering issues on my Intel DG45ID board, > (Vendor: 0x8086, Device: 0x2e22, Revision: 0x03 (A3)) I need a few more details on the nature of the rendering issue and driver versions. The idea is to skip the flush in case we have nothing to flush (this is required to avoid the too-early-flush during initialisation of the ring buffer). Finding the circumstances of the flush that causes the issue should help determine the root cause of the bug. -Chris -- Chris Wilson, Intel Open Source Technology Centre