From: Daniel Vetter <daniel@ffwll.ch>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/chv: fix HW readout of the port PLL fractional divider
Date: Mon, 6 Jul 2015 11:34:38 +0200 [thread overview]
Message-ID: <20150706093438.GQ2156@phenom.ffwll.local> (raw)
In-Reply-To: <20150706093247.GO2156@phenom.ffwll.local>
On Mon, Jul 06, 2015 at 11:32:47AM +0200, Daniel Vetter wrote:
> On Thu, Jul 02, 2015 at 04:33:42PM +0300, Ville Syrjälä wrote:
> > On Thu, Jul 02, 2015 at 02:29:58PM +0300, Imre Deak wrote:
> > > Ville noticed that the PLL HW readout code parsed the fractional
> > > divider value as if the fractional divider was always enabled. This may
> > > result in a port clock state check mismatch if the preceeding modeset
> > > disabled the fractional divider, but left a non-zero divider value in
> > > the register.
> > >
> > > Signed-off-by: Imre Deak <imre.deak@intel.com>
> >
> > Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Queued for -fixes (with cc: stable), thanks for the patch.
Maybe doesn't justify stable, so dropped that again.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2015-07-06 9:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-02 11:29 [PATCH] drm/i915/chv: fix HW readout of the port PLL fractional divider Imre Deak
2015-07-02 13:33 ` Ville Syrjälä
2015-07-06 9:32 ` Daniel Vetter
2015-07-06 9:34 ` Daniel Vetter [this message]
2015-07-04 12:42 ` shuang.he
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150706093438.GQ2156@phenom.ffwll.local \
--to=daniel@ffwll.ch \
--cc=intel-gfx@lists.freedesktop.org \
--cc=ville.syrjala@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox