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drm/i915/fbdev: Always forward hotplug events

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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

commit c45eb4fed1 (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

commit 50c3dc970a
Author: 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
This commit is contained in:
Daniel Vetter 2017-07-06 15:00:19 +02:00
parent b064be0784
commit 88be58be88
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_fbdev.c
View File

@ -813,7 +813,7 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev)
{
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
if (ifbdev && ifbdev->vma)
if (ifbdev)
drm_fb_helper_hotplug_event(&ifbdev->helper);
}