As a DDX may declare offload support without supporting DRI2 (because it is using an alternative acceleration mechanism like DRI3), when iterating the list of offload_source Screens to find a matching DRI2 provider we need to check before assuming it is DRI2 capable.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88514 Signed-off-by: Chris Wilson <[email protected]> Cc: Ilia Mirkin <[email protected]> Cc: Dave Airlie <[email protected]> --- hw/xfree86/dri2/dri2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c index 8b94b8f..e048224 100644 --- a/hw/xfree86/dri2/dri2.c +++ b/hw/xfree86/dri2/dri2.c @@ -158,6 +158,9 @@ GetScreenPrime(ScreenPtr master, int prime_id) DRI2ScreenPtr ds; ds = DRI2GetScreen(slave); + if (ds == NULL) + continue; + if (ds->prime_id == prime_id) return slave; } -- 2.1.4 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
