From mboxrd@z Thu Jan 1 00:00:00 1970 From: Damien Lespiau Subject: Re: [Intel gfx][i-g-t PATCH 1/4] lib: Clean the batch buffer store after reset Date: Fri, 6 Dec 2013 13:03:57 +0000 Message-ID: <20131206130357.GD16277@strange.amr.corp.intel.com> References: <1386320087-3017-1-git-send-email-haihao.xiang@intel.com> <52A1A39C.6000905@whitecape.org> 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 DFBF1FBC7A for ; Fri, 6 Dec 2013 05:03:59 -0800 (PST) Content-Disposition: inline In-Reply-To: <52A1A39C.6000905@whitecape.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Kenneth Graunke Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Fri, Dec 06, 2013 at 02:14:52AM -0800, Kenneth Graunke wrote: > On 12/06/2013 12:54 AM, Xiang, Haihao wrote: > > From: "Xiang, Haihao" > > > > Otherwise the stale data in the buffer > > > > Signed-off-by: Xiang, Haihao > > --- > > lib/intel_batchbuffer.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c > > index 06a5437..9ce7424 100644 > > --- a/lib/intel_batchbuffer.c > > +++ b/lib/intel_batchbuffer.c > > @@ -50,6 +50,8 @@ intel_batchbuffer_reset(struct intel_batchbuffer *batch) > > batch->bo = drm_intel_bo_alloc(batch->bufmgr, "batchbuffer", > > BATCH_SZ, 4096); > > > > + memset(batch->buffer, 0, sizeof(batch->buffer)); > > + > > batch->ptr = batch->buffer; > > } > > > > > > I don't think that should be harmful, but this would definitely make > debugging nicer. For intel-gpu-tools, I think it makes sense. > > Reviewed-by: Kenneth Graunke Indeed, I think it makes sense as well, thanks for the patch and review, pushed. -- Damien