Re: [PATCH] Haswell Kernel Mode Setting

From: Neel Chauhan <neel_at_neelc.org>
Date: Tue, 12 Nov 2013 07:48:36 -0500
On 2013-11-12 03:29, Konstantin Belousov wrote:
> On Mon, Nov 11, 2013 at 03:39:06PM -0800, Xin Li wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA512
>> 
>> On 11/11/13 14:29, Neel Chauhan wrote:
>> > Sorry if I sent a similar patch before. It didn't get accepted so I
>> > am sending one now. Enjoy.
>> 
>> What does "didn't get accepted" mean? :)  Since this looks like a
>> PCI-ID only change that do not affect other existing hardware, if it's
>> not an explicit objection from a reviewer, I think it's Okay to just
>> go ahead and commit the change after a reasonable timeout instead of
>> waiting indefinitely.
> 
> I very much doubt that this patch works. More, I believe that it was
> not tested at all. Talking about the trivially obvious things, the PGTT
> handling must be updated since page tables have different format 
> comparing
> with Ivy, there are some changes to ring dispatching, and lot of
> changes in the display pipeline. All this is missing from the patch.
> 
> Oh, and the Series 8 chipset PCH detection is missing.  I probably
> should stop now.
> 
> HSW support is much more than just adding the Ids, I am (slowly) 
> starting
> the work on importing the Linux updates.
Konstantin,
Thanks for telling me. The reality is, I don't really know about the 
insides of the FreeBSD kernel, Linux, or drm. I just looked at a few 
files. I should really get a book about FreeBSD before trying to send 
patches again. And anyways, this patch is untested. I was in a rush to 
send it to the mailing list, hoping it would get accepted.
Thanks,
Neel
Received on Tue Nov 12 2013 - 11:48:37 UTC

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