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| author |   jsg <jsg@openbsd.org> | 2019-04-30 01:39:19 +0000 |
|---|---|---|
| committer | jsg <jsg@openbsd.org> | 2019-04-30 01:39:19 +0000 |
| commit | 85e182c61ffe2c7ee6894fa987ae9e8dc8e1f5fe (patch) | |
| tree | baf67470c4c961ac677a3c72fcafce59ccec2e1f /sys/dev/pci/drm/drm_fb_helper.c | |
| parent | Make v[46]_info() return all the interface flags instead of just (diff) | |
| download | wireguard-openbsd-85e182c61ffe2c7ee6894fa987ae9e8dc8e1f5fe.tar.xz wireguard-openbsd-85e182c61ffe2c7ee6894fa987ae9e8dc8e1f5fe.zip | |
Add an equivalent test for master in drm_fb_helper_is_bound()
Prevents black screens on hotplugging a new display with Xorg running
which required a vt switch for screens to be useable.
Reported by various people on misc@. Tested by and ok sthen@
Diffstat (limited to 'sys/dev/pci/drm/drm_fb_helper.c')
| -rw-r--r-- | sys/dev/pci/drm/drm_fb_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/drm_fb_helper.c b/sys/dev/pci/drm/drm_fb_helper.c index 237f274ebe1..785ed969911 100644 --- a/sys/dev/pci/drm/drm_fb_helper.c +++ b/sys/dev/pci/drm/drm_fb_helper.c @@ -575,6 +575,9 @@ static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper) #ifdef notyet if (READ_ONCE(dev->master)) return false; +#else + if (!SPLAY_EMPTY(&dev->files)) + return false; #endif drm_for_each_crtc(crtc, dev) { |