From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 1/1] tests/gem_seqno_wrap: verify debugfs write with readback Date: Thu, 11 Apr 2013 17:27:04 +0200 Message-ID: <20130411152704.GO27612@phenom.ffwll.local> References: <1365685888-6089-1-git-send-email-mika.kuoppala@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f45.google.com (mail-ee0-f45.google.com [74.125.83.45]) by gabe.freedesktop.org (Postfix) with ESMTP id B96D7E6639 for ; Thu, 11 Apr 2013 08:24:04 -0700 (PDT) Received: by mail-ee0-f45.google.com with SMTP id c50so848229eek.32 for ; Thu, 11 Apr 2013 08:24:03 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1365685888-6089-1-git-send-email-mika.kuoppala@intel.com> 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: Mika Kuoppala Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, Apr 11, 2013 at 04:11:28PM +0300, Mika Kuoppala wrote: > Make sure that debugfs entry works as expected by reading > back the sequence number that was written. > > Signed-off-by: Mika Kuoppala Merged, thanks. -Daniel > --- > tests/gem_seqno_wrap.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/tests/gem_seqno_wrap.c b/tests/gem_seqno_wrap.c > index 43e3851..776dedc 100644 > --- a/tests/gem_seqno_wrap.c > +++ b/tests/gem_seqno_wrap.c > @@ -438,6 +438,7 @@ static int write_seqno(uint32_t seqno) > int fh; > char buf[32]; > int r; > + uint32_t rb; > > if (options.dontwrap) > return 0; > @@ -457,6 +458,15 @@ static int write_seqno(uint32_t seqno) > if (options.verbose) > printf("next_seqno set to: 0x%x\n", seqno); > > + r = __read_seqno(&rb); > + if (r < 0) > + return r; > + > + if (rb != seqno) { > + printf("seqno readback differs rb:0x%x vs w:0x%x\n", rb, seqno); > + return -1; > + } > + > return 0; > } > > -- > 1.7.9.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch