From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: [PATCH] drm/i915/bdw: Enable full PPGTT Date: Tue, 1 Apr 2014 16:12:43 -0700 Message-ID: <20140401231242.GA28657@bwidawsk.net> References: <1396367714-966-1-git-send-email-benjamin.widawsky@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.bwidawsk.net (bwidawsk.net [166.78.191.112]) by gabe.freedesktop.org (Postfix) with ESMTP id 8DE9A6E5D2 for ; Tue, 1 Apr 2014 16:12:52 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1396367714-966-1-git-send-email-benjamin.widawsky@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ben Widawsky Cc: Intel GFX List-Id: intel-gfx@lists.freedesktop.org On Tue, Apr 01, 2014 at 08:55:14AM -0700, Ben Widawsky wrote: > Broadwell is perfectly capable of full PPGTT. I've been using it for > some time, and seen no especially ill effects. > > Signed-off-by: Ben Widawsky Nak. I spoke too soon. 1 context + default works fine. More than that gets ugly. > --- > drivers/gpu/drm/i915/i915_drv.h | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h > index ab7a75e..95477f7 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -1830,8 +1830,7 @@ struct drm_i915_cmd_table { > > #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6) > #define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6 && !IS_VALLEYVIEW(dev)) > -#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev) \ > - && !IS_BROADWELL(dev)) > +#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) > #define USES_PPGTT(dev) intel_enable_ppgtt(dev, false) > #define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true) > > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ben Widawsky, Intel Open Source Technology Center