From: Jesse Barnes <jesse.barnes@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [PATCH] drm/i915: Update bits to check in device class from VBT to detect eDP
Date: Thu, 5 Jun 2014 09:04:17 -0700 [thread overview]
Message-ID: <20140605090417.75cd648b@jbarnes-desktop> (raw)
In-Reply-To: <20140605130929.GB27580@intel.com>
On Thu, 5 Jun 2014 16:09:29 +0300
Ville Syrjälä <ville.syrjala@linux.intel.com> wrote:
> On Thu, Jun 05, 2014 at 06:25:13PM +0530, Shobhit Kumar wrote:
> > The DEVICE_TYPE_eDP has been changed to 0x1806 in case of BYT which
> > can causes wrong detection failures for eDP. Reduce the number of bits
> > of interest in DEVICE_TYPE_eDP_BITS to just check most relevant and
> > conclusive ones and ensure they are set in device_class from VBT. This
> > will ensure that eDP detection works across platforms
>
> The current bits will match correctly for 0x1806. I don't have a problem
> with the patch per-say but would be nice to know what the troublesome
> device type really was, if indeed there was one. I'm just slightly
> worried that we might start to get false positives on some platforms if
> we make it too relaxed.
Still waiting for results, but
https://bugs.freedesktop.org/show_bug.cgi?id=78795 was what motivated this.
Jesse
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next prev parent reply other threads:[~2014-06-05 16:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 12:55 [PATCH] drm/i915: Update bits to check in device class from VBT to detect eDP Shobhit Kumar
2014-06-05 13:09 ` Ville Syrjälä
2014-06-05 16:04 ` Jesse Barnes [this message]
2014-06-06 4:03 ` Kumar, Shobhit
2014-06-06 5:36 ` Kumar, Shobhit
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