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 c45eb4fed12d278d3619f1904885bd0d7bcbf036 (tag: drm-intel-next-fixes-2016-08-05) Author: Chris Wilson <[email protected]> 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 50c3dc970a09b3b60422a58934cc27a413288bab Author: Daniel Vetter <[email protected]> Date: Fri Jun 27 17:19:22 2014 +0200 drm/fb-helper: Fix hpd vs. initial config races Cc: Maarten Lankhorst <[email protected]> Cc: Mika Kuoppala <[email protected]> Cc: Chris Wilson <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> --- drivers/gpu/drm/i915/intel_fbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index f11ee039ff45..5536591d3da0 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -821,7 +821,7 @@ 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); } -- 2.13.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
