From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Seth Forshee <seth.forshee@canonical.com>
Cc: dri-devel@lists.freedesktop.org,
Daniel Vetter <daniel.vetter@ffwll.ch>,
David Airlie <airlied@linux.ie>,
linux-kernel@vger.kernel.org, Andreas Heider <andreas@meetr.de>
Subject: Re: [RFC PATCH 3/5] drm/i915: register LVDS connector even if we can't get a panel mode
Date: Fri, 3 Aug 2012 17:14:16 +0100 [thread overview]
Message-ID: <20120803161416.GA22563@srcf.ucam.org> (raw)
In-Reply-To: <1344009741-14248-4-git-send-email-seth.forshee@canonical.com>
On Fri, Aug 03, 2012 at 11:02:19AM -0500, Seth Forshee wrote:
> Some Apple hybrid graphics machines do not have the LVDS panel connected
> to the integrated GPU at boot and also do not supply a VBT. The LVDS
> connector is not registered as a result, making it impossible to support
> graphics switching.
>
> This patch changes intel_lvds_init() to register the connector even if
> we can't find any panel modes. This makes it necessary to always check
> intel_lvds->fixed_mode before use, as it could now be NULL.
This one kind of sucks. I think adding a quirk for this situation would
be justifiable, rather than doing it for all devices.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2012-08-03 16:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 16:02 [RFC PATCH 0/5] i915 changes for hybrid graphics support on Macbooks Seth Forshee
2012-08-03 16:02 ` [RFC PATCH 1/5] drm/i915: Add support for vga_switcheroo reprobe Seth Forshee
2012-08-03 16:02 ` [RFC PATCH 2/5] drm/i915: separate out code to get EDID from LVDS panel Seth Forshee
2012-08-03 16:02 ` [RFC PATCH 3/5] drm/i915: register LVDS connector even if we can't get a panel mode Seth Forshee
2012-08-03 16:14 ` Matthew Garrett [this message]
2012-08-03 16:24 ` Seth Forshee
2012-08-03 16:27 ` Matthew Garrett
2012-08-04 16:57 ` Seth Forshee
2012-08-05 21:14 ` Daniel Vetter
2012-08-05 21:18 ` Matthew Garrett
2012-08-05 21:40 ` Daniel Vetter
2012-08-05 21:44 ` Dave Airlie
2012-08-05 23:20 ` Alex Deucher
2012-08-06 4:51 ` Seth Forshee
2012-08-20 15:30 ` Seth Forshee
2012-08-20 15:30 ` [RFC PATCH 1/7] vga_switcheroo: Add support for switching only the DDC Seth Forshee
2012-08-20 15:30 ` [RFC PATCH 2/7] vga_switcheroo: Add helper function to get the active client Seth Forshee
2012-08-20 15:31 ` [RFC PATCH 3/7] vga_switcheroo: Add notifier call chain for switcheroo events Seth Forshee
2012-08-20 15:31 ` [RFC PATCH 4/7] apple-gmux: Add switch_ddc support Seth Forshee
2012-08-20 15:31 ` [RFC PATCH 5/7] drm/edid: Switch DDC when reading the EDID Seth Forshee
2012-08-20 15:31 ` [RFC PATCH 6/7] drm/pci: Add drm_put_pci_dev() Seth Forshee
2012-08-20 15:31 ` [RFC PATCH 7/7] drm/pci: Defer initialization of secondary graphics devices until switcheroo is ready Seth Forshee
2012-08-20 15:36 ` Matthew Garrett
2012-08-20 15:56 ` Seth Forshee
2012-08-20 15:57 ` Matthew Garrett
2012-08-20 16:24 ` Seth Forshee
2012-08-20 16:28 ` Matthew Garrett
2012-08-10 22:19 ` [RFC PATCH 3/5] drm/i915: register LVDS connector even if we can't get a panel mode Seth Forshee
2012-08-06 12:23 ` Matthew Garrett
2012-08-06 20:16 ` Seth Forshee
2012-08-03 16:02 ` [RFC PATCH 4/5] drm/i915: make intel_lvds_get_edid() more robust Seth Forshee
2012-08-03 16:02 ` [RFC PATCH 5/5] drm/i915: check LVDS for EDID on GPU switches Seth Forshee
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