[Intel-gfx] When will intel drivers support interlace modes?

[Xavier de Almeida]

Okey thank you Lucas for all these info.

Let's see if we can have more details from intel dev team.

Cheers
On 10 sept. 2010, at 22:39, Lucas Burdick wrote:

> I think because that fix hasn’t been implemented in the 2.11 or 2.12 drivers yet.  It’s in the git for the next release…which would be 2.13 I guess.
>  
> It’d be nice if somebody else could clarify, but I’m 99% sure the drivers you are using do not support interlace.
>  
> I have no hard info on the Q3 release except that they release a driver update every quarter and the fix has been made in between the old release and now.  I’m assuming that it will be added to the Q3 release.
>  
>  
>  
> From: Xavier de Almeida [mailto:xdealmeida at gmail.com] 
> Sent: Friday, September 10, 2010 1:32 PM
> To: Lucas Burdick
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] When will intel drivers support interlace modes?
>  
> Here is where I am getting confuse.
>  
> If you see the bug report (which I added the lastest comment) the comment from Chris seems to say that interlace should be working at least for 1080i:
> Chris Wilson 2010-07-17 06:26:30 PDT
> At least partially:
>  
> commit 734b4157b367d66405f7dab80085d17c9c8dd3b5
> Author: Krzysztof Halasa <khc at pm.waw.pl>
> Date:   Tue May 25 18:41:46 2010 +0200
>  
>     drm/i915: Add support for interlaced display.
>  
>     This doesn't change the clock limits (minimums), i.e. it won't make it
>     output 720x576 PAL nor 720x480 NTSC, but it will work with modes like
>     1080i etc. (including GLX and textured Xvideo, not sure about the
>     overlay).
>  
>     Tested on i915 + analog VGA, it would be worth checking if newer chips
>     (and which ones) still support interlaced mode.
>  
> but what I am not sure is if I can't make it work because of the intel drivers themselves or the kernel that I am using.
>  
> My current setup:
> kernel 2.6.35-02063504-generic
> intel 2.11.0-1
> http://xabix.free.fr/uploads/xorg.conf
> http://xabix.free.fr/uploads/Xorg.0.log
> Do you know why there is a gap between Chris comment and our implementation?
> Where did you get the info about interlace support within Q3 release?
>  
> Thanks
> XabiX
>  
> On 10 sept. 2010, at 22:13, Lucas Burdick wrote:
> 
> 
> Q3 refers to Quarter 3, and yes….we are almost there.
>  
> The bug report thread for the interlaced modes is here:
> https://bugs.freedesktop.org/show_bug.cgi?id=11220
>  
> If you read it, it shows that the patch has been added to drm-intel-next which I assume means it is ready for the next release.  Here’s to hoping…
>  
> From: Xavier de Almeida [mailto:xdealmeida at gmail.com] 
> Sent: Friday, September 10, 2010 1:11 PM
> To: Lucas Burdick
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] When will intel drivers support interlace modes?
>  
> Q3 release, does it mean 2.13? Q3 ends end of September so if this is true we are almost there.
>  
> (it should be the right time to have a beta release)
>  
> On 10 sept. 2010, at 22:03, Lucas Burdick wrote:
>  
> 
> From what I have read, the issue has been patched and the Q3 release should have it.
>  
> I’m also in the same boat and I’d love to try the beta driver but I’m unsure how to download and install it.
>  
>  
> From: intel-gfx-bounces+lucas=dmglobal.net at lists.freedesktop.org [mailto:intel-gfx-bounces+lucas=dmglobal.net at lists.freedesktop.org] On Behalf Of Xavier de Almeida
> Sent: Friday, September 10, 2010 12:58 PM
> To: intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] When will intel drivers support interlace modes?
>  
> Hello,
>  
> I am using a Clarkdale processor in order to have a Home Theater PC connected to my TV. My TV can only display 1080i and not p therefore I can't have a good display setup with the current intel drivers.
>  
> Is there any estimated release which will include the interlace modes for i915 drivers?
>  
> Many thanks
> XabiX
>  
> http://phoronix.com/forums/showthread.php?p=146895#post146895
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>  
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