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From: Daniel Vetter <daniel@ffwll.ch>
To: Thomas Richter <thor@math.tu-berlin.de>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] Fix resume from suspend to RAM on IBM X30 (take two)
Date: Mon, 15 Jun 2015 12:21:49 +0200	[thread overview]
Message-ID: <20150615102149.GS8341@phenom.ffwll.local> (raw)
In-Reply-To: <556C16E6.2040309@math.tu-berlin.de>

On Mon, Jun 01, 2015 at 10:25:10AM +0200, Thomas Richter wrote:
> Hi Daniel, hi Ville,
> 
> as suggested, I again checked against the latest drm-intel-nightly
> branch and indeed, the patch as originally submitted does not apply
> there. So I recompiled the patch again (see attachment) which works now
> correctly with the latest branch.
> 
> As suggested, I made a couple of additional changes:
> 
> * No longer forces bit-banging on. As Daniel observed, this is not
> really required, and I checked that, indeed, it is not.
> 
> * Ville made a comment a while ago that we should not enable the
> extended panel-scaling of the IVCH, so I removed it. In fact, as the X30
> bios does not restore registers during resume, it also fails to restore
> the (undocumented) values of the advanced interpolation polynomials and
> as such degrades the image quality when resuming from suspend.
> 
> Other than that, this patch has been successfully tested both on an IBM
> X30 and on an IBM R31 ThinkPad, both making use of the IVCH DVO chip.

Yup this one applies cleanly now. Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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  reply	other threads:[~2015-06-15 10:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-22 19:04 [PATCH] Fix resume from suspend to RAM on IBM X30 Thomas Richter
2015-05-26  7:27 ` Daniel Vetter
     [not found] ` <12029_1432625085_55641FBD_12029_12802_1_20150526072710.GE12971@phenom.ffwll.local>
2015-06-01  8:25   ` [PATCH] Fix resume from suspend to RAM on IBM X30 (take two) Thomas Richter
2015-06-15 10:21     ` Daniel Vetter [this message]
2015-06-15 13:46       ` Stefan Monnier

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