From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 12/25] agp/intel: map more registers for use by the GTT code Date: Wed, 21 Mar 2012 22:04:23 +0100 Message-ID: <20120321210423.GE9913@phenom.ffwll.local> References: <1332359326-15051-1-git-send-email-jbarnes@virtuousgeek.org> <1332359326-15051-13-git-send-email-jbarnes@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wg0-f43.google.com (mail-wg0-f43.google.com [74.125.82.43]) by gabe.freedesktop.org (Postfix) with ESMTP id 909CF9EF55 for ; Wed, 21 Mar 2012 14:03:39 -0700 (PDT) Received: by wgbdr12 with SMTP id dr12so756863wgb.12 for ; Wed, 21 Mar 2012 14:03:38 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1332359326-15051-13-git-send-email-jbarnes@virtuousgeek.org> 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: Jesse Barnes Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Wed, Mar 21, 2012 at 12:48:33PM -0700, Jesse Barnes wrote: > We need to flush the Gunit TLB when we update GTT PTEs on VLV, but the > register for doing so is above the range we normally map. Map the whole > register space to make sure we can get it. > > Signed-off-by: Jesse Barnes > --- > drivers/char/agp/intel-gtt.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c > index 5cf47ac..19b6486 100644 > --- a/drivers/char/agp/intel-gtt.c > +++ b/drivers/char/agp/intel-gtt.c > @@ -1211,7 +1211,7 @@ static int i9xx_setup(void) > > reg_addr &= 0xfff80000; > > - intel_private.registers = ioremap(reg_addr, 128 * 4096); > + intel_private.registers = ioremap(reg_addr, MB(2)); If I'm reading my lspci output correctly, my i915g only has 1mb, not to. -Daniel > if (!intel_private.registers) > return -ENOMEM; > > -- > 1.7.5.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48