From: Ben Widawsky <ben@bwidawsk.net>
To: Mika Kuoppala <mika.kuoppala@linux.intel.com>,
intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 06/10] drm/i915: Stop using AGP layer for GEN6+
Date: Wed, 24 Oct 2012 10:56:15 -0700 [thread overview]
Message-ID: <20121024105615.5cf6633e@bwidawsk.net> (raw)
In-Reply-To: <878vaxwk61.fsf@gaia.fi.intel.com>
On Tue, 23 Oct 2012 13:35:18 +0300
Mika Kuoppala <mika.kuoppala@linux.intel.com> wrote:
> On Mon, 22 Oct 2012 18:34:11 -0700, Ben Widawsky <ben@bwidawsk.net> wrote:
> > +static void teardown_scratch_page(struct drm_device *dev)
> > +{
> > + struct drm_i915_private *dev_priv = dev->dev_private;
> > + set_pages_wb(dev_priv->mm.gtt->scratch_page, 1);
> > + pci_unmap_page(dev->pdev, dev_priv->mm.gtt->scratch_page_dma,
> > + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
>
> #ifdef CONFIG_INTEL_IOMMU needed around pci_unmap_page?
It preserves the original behavior, which I believe is fine as is. The
iommu code should just do nothing. I am partial thuogh, since I am the
original reviewer on the patch that introduced that.
>
> > + put_page(dev_priv->mm.gtt->scratch_page);
> > + __free_page(dev_priv->mm.gtt->scratch_page);
> > +}
> > +
--
Ben Widawsky, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-10-24 17:56 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-23 1:34 [PATCH 00/10] Kill AGP dependencies for Gen6+ Ben Widawsky
2012-10-23 1:34 ` [PATCH 01/10] drm/i915: No LLC_MLC for HSW Ben Widawsky
2012-10-23 10:15 ` Mika Kuoppala
2012-10-25 20:47 ` Jesse Barnes
2012-10-26 1:03 ` Ben Widawsky
2012-10-23 1:34 ` [PATCH 02/10] drm/i915: Add dev to ppgtt Ben Widawsky
2012-10-25 20:48 ` Jesse Barnes
2012-10-23 1:34 ` [PATCH 03/10] drm/i915: introduce gtt_pte_t Ben Widawsky
2012-10-25 20:49 ` Jesse Barnes
2012-10-23 1:34 ` [PATCH 04/10] drm/i915: Extract PPGTT pte encoding Ben Widawsky
2012-10-25 20:50 ` Jesse Barnes
2012-10-23 1:34 ` [PATCH 05/10] drm/i915: move more pte encoding to pte encode Ben Widawsky
2012-10-25 20:51 ` Jesse Barnes
2012-10-31 10:52 ` Daniel Vetter
2012-10-23 1:34 ` [PATCH 06/10] drm/i915: Stop using AGP layer for GEN6+ Ben Widawsky
2012-10-23 9:59 ` Chris Wilson
2012-10-23 14:57 ` Ben Widawsky
2012-10-23 14:58 ` Daniel Vetter
2012-10-23 19:57 ` Ben Widawsky
2012-10-23 20:03 ` Daniel Vetter
2012-10-23 20:27 ` Ben Widawsky
2012-10-25 20:55 ` Jesse Barnes
2012-10-25 20:54 ` Jesse Barnes
[not found] ` <878vaxwk61.fsf@gaia.fi.intel.com>
2012-10-24 17:56 ` Ben Widawsky [this message]
2012-10-26 20:54 ` [PATCH 06/10 v2] " Ben Widawsky
2012-10-29 2:08 ` [PATCH 6/9 v3] " Ben Widawsky
2012-10-31 9:57 ` Daniel Vetter
2012-10-31 15:51 ` Ben Widawsky
2012-10-31 10:37 ` [PATCH 06/10 v2] " Chris Wilson
2012-10-23 1:34 ` [PATCH 07/10] drm/i915: Calculate correct stolen size for GEN7+ Ben Widawsky
2012-10-25 21:06 ` Jesse Barnes
2012-10-25 22:15 ` Ben Widawsky
2012-10-25 22:39 ` Jesse Barnes
2012-10-23 1:34 ` [PATCH 08/10] drm/i915: Kill off now unused gen6+ AGP code Ben Widawsky
2012-10-25 21:07 ` Jesse Barnes
2012-10-23 1:34 ` [PATCH 09/10] drm/i915: flush system agent TLBs on SNB Ben Widawsky
2012-10-23 14:17 ` Jesse Barnes
2012-10-23 14:28 ` Daniel Vetter
2012-10-23 14:35 ` Jesse Barnes
2012-10-23 14:42 ` Ben Widawsky
2012-10-25 21:07 ` Jesse Barnes
2012-10-26 20:55 ` [PATCH 09/10 v2] " Ben Widawsky
2012-10-23 1:34 ` [PATCH 10/10] drm/i915: Kill off actually requiring AGP Ben Widawsky
2012-10-23 2:03 ` Ben Widawsky
2012-10-25 21:09 ` Jesse Barnes
2012-10-25 22:15 ` Ben Widawsky
2012-10-25 22:39 ` Jesse Barnes
2012-10-25 22:47 ` Daniel Vetter
2012-10-26 20:52 ` Ben Widawsky
2012-10-26 20:58 ` [PATCH 00/10] Kill AGP dependencies for Gen6+ Ben Widawsky
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