sna: Clear the transform flag on disabling the CRTC

In places, we assume that if the flag is set, we must have an active
CRTC. However, we were not clearing when disabling the CRTC.

Reported-by: Sree Harsha Totakura <freedesktop@h.totakura.in>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80325
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index bc35a67..305bccf 100644 (file)
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -1410,7 +1410,10 @@ sna_crtc_disable(xf86CrtcPtr crtc)
                sna->mode.dirty = true;
        }
 
+       sna_crtc->transform = false;
+
        assert(sna_crtc->dpms_mode == DPMSModeOff);
+       assert(!sna_crtc->shadow);
 }
 
 static void update_flush_interval(struct sna *sna)
@@ -6213,6 +6216,7 @@ void sna_mode_redisplay(struct sna *sna)
                        continue;
 
                assert(crtc->enabled);
+               assert(sna_crtc->bo);
 
                damage.extents = crtc->bounds;
                damage.data = NULL;