From 3793e12407b6b1511c8655a2665ec5ce41bc820d Mon Sep 17 00:00:00 2001 From: Stefan Dirsch Date: Thu, 22 Jul 2021 14:31:35 +0200 Subject: [PATCH] modesetting: unflip not possible when glamor is not set This is fixing crashes of xfce when running under qemu --- hw/xfree86/drivers/modesetting/present.c | 3 +++ 1 file changed, 3 insertions(+) Index: xorg-server-1.20.12/hw/xfree86/drivers/modesetting/present.c =================================================================== --- xorg-server-1.20.12.orig/hw/xfree86/drivers/modesetting/present.c +++ xorg-server-1.20.12/hw/xfree86/drivers/modesetting/present.c @@ -257,6 +257,9 @@ ms_present_check_unflip(RRCrtcPtr crtc, pixmap->devKind != drmmode_bo_get_pitch(&ms->drmmode.front_bo)) return FALSE; + if (!ms->drmmode.glamor) + return FALSE; + #ifdef GBM_BO_WITH_MODIFIERS /* Check if buffer format/modifier is supported by all active CRTCs */ gbm = glamor_gbm_bo_from_pixmap(screen, pixmap);