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Diffstat (limited to 'src/libsystemd-terminal/grdev-drm.c')
-rw-r--r--src/libsystemd-terminal/grdev-drm.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/libsystemd-terminal/grdev-drm.c b/src/libsystemd-terminal/grdev-drm.c
index 232321c0e2..dba6db2691 100644
--- a/src/libsystemd-terminal/grdev-drm.c
+++ b/src/libsystemd-terminal/grdev-drm.c
@@ -1158,8 +1158,21 @@ static int grdrm_crtc_commit_flip(grdrm_crtc *crtc, grdev_fb *basefb) {
assert(basefb);
assert(pipe);
- if (!crtc->applied && !grdrm_modes_compatible(&crtc->kern.mode, &crtc->set.mode))
+ if (!crtc->applied) {
+ if (!grdrm_modes_compatible(&crtc->kern.mode, &crtc->set.mode))
+ return 0;
+
+ /* TODO: Theoretically, we should be able to page-flip to our
+ * framebuffer here. We didn't perform any deep modeset, but the
+ * DRM driver is really supposed to reject our page-flip in case
+ * the FB is not compatible. We then properly fall back to a
+ * deep modeset.
+ * As it turns out, drivers don't to this. Therefore, we need to
+ * perform a full modeset on enter now. We might avoid this in
+ * the future with fixed drivers.. */
+
return 0;
+ }
fb = fb_from_base(basefb);