From: Thomas Hellstrom <thellstrom@vmware.com>
To: Jerome Glisse <j.glisse@gmail.com>
Cc: Thomas Hellstrom <thomas@shipmail.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, j.glisse@redhat.com,
airlied@redhat.com, bskeggs@redhat.com
Subject: Re: [PATCH 06/11] ttm/driver: Expand ttm_backend_func to include two overrides for TTM page pool.
Date: Tue, 01 Nov 2011 15:48:24 +0100 [thread overview]
Message-ID: <4EB006B8.8080001@vmware.com> (raw)
In-Reply-To: <20111101143715.GA8631@homer.localdomain>
On 11/01/2011 03:37 PM, Jerome Glisse wrote:
> On Sat, Oct 22, 2011 at 11:40:54AM +0200, Thomas Hellstrom wrote:
>
>> Konrad,
>>
>> I was hoping that we could get rid of the dma_address shuffling into
>> core TTM,
>> like I mentioned in the review. From what I can tell it's now only
>> used in the backend and
>> core ttm doesn't care about it.
>>
>> Is there a particular reason we're still passing it around?
>>
>> Thanks,
>> /Thomas
>>
>>
> I am working on patchset on top of this that will move dma handling
> back to driver and mostly out of ttm (the page alloc helper will
> still do dma stuff on behalf of driver) So if my patchset is acceptable
> the dma situation is transionary.
>
> Cheers,
> Jerome
>
Cool.
Thanks, Jerome.
/Thomas
next prev parent reply other threads:[~2011-11-01 14:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-19 22:19 [PATCH] TTM DMA pool v2.1 Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 01/11] swiotlb: Expose swiotlb_nr_tlb function to modules Konrad Rzeszutek Wilk
2011-10-22 4:49 ` FUJITA Tomonori
2011-10-19 22:19 ` [PATCH 02/11] nouveau/radeon: Set coherent DMA mask Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 03/11] ttm/radeon/nouveau: Check the DMA address from TTM against known value Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 04/11] ttm: Wrap ttm_[put|get]_pages and extract GFP_* and caching states from 'struct ttm_tt' Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 05/11] ttm: Get rid of temporary scaffolding Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 06/11] ttm/driver: Expand ttm_backend_func to include two overrides for TTM page pool Konrad Rzeszutek Wilk
2011-10-22 9:40 ` Thomas Hellstrom
2011-10-24 17:27 ` Konrad Rzeszutek Wilk
2011-10-24 17:42 ` Thomas Hellstrom
2011-10-24 18:18 ` Konrad Rzeszutek Wilk
2011-11-01 14:37 ` Jerome Glisse
2011-11-01 14:48 ` Thomas Hellstrom [this message]
2011-10-19 22:19 ` [PATCH 07/11] ttm: Do not set the ttm->be to NULL before calling the TTM page pool to free pages Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 08/11] ttm: Provide DMA aware TTM page pool code Konrad Rzeszutek Wilk
2011-10-31 19:37 ` Jerome Glisse
2011-11-01 13:51 ` Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 09/11] ttm: Add 'no_dma' parameter to turn the TTM DMA pool off during runtime Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 10/11] nouveau/ttm/dma: Enable the TTM DMA pool if device can only do 32-bit DMA Konrad Rzeszutek Wilk
2011-10-19 22:19 ` [PATCH 11/11] radeon/ttm/dma: Enable the TTM DMA pool if the device can only do 32-bit Konrad Rzeszutek Wilk
2011-10-20 1:38 ` [PATCH] TTM DMA pool v2.1 Konrad Rzeszutek Wilk
2011-10-31 22:05 ` Jerome Glisse
2011-11-01 18:47 [PATCH] TTM DMA pool v2.2 or [GIT PULL] (stable/ttm.dma_pool.v2.3) for 3.3 Konrad Rzeszutek Wilk
2011-11-01 18:47 ` [PATCH 06/11] ttm/driver: Expand ttm_backend_func to include two overrides for TTM page pool Konrad Rzeszutek Wilk
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