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With deferred fbdev setup we always need to forward hotplug events, even if fbdev isn't fully set up yet. Otherwise the deferred setup will neer happen. Originally this check was added in commitc45eb4fed1(tag: drm-intel-next-fixes-2016-08-05) Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Jul 13 18:34:45 2016 +0100 drm/i915/fbdev: Check for the framebuffer before use But the specific case of the hotplug function blowing up was fixed in commit50c3dc970aAuthor: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Jun 27 17:19:22 2014 +0200 drm/fb-helper: Fix hpd vs. initial config races Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-1-daniel.vetter@ffwll.ch
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.