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Simon Ser 98a83ce14c backend/drm: fix EINVAL atomic commits after VT switch ... The drm_connector_commit_state() call in handle_session_active() was not resulting in any atomic commit, because it didn't match any of the if branches: active = true, no new buffer was committed, and adaptive sync/gamma LUT were unchanged. Thus the commit was a no-op. Later on, when the compositor performs regular page-flips, the kernel would return EINVAL indicating that a modeset was needed. Rework the logic to use a non-blocking page-flip commit if a buffer was committed, and use a blocking commit if the connector is on or is being disabled. The only case where we should skip the atomic commit is when disabling (active = false) an already-disabled connector (conn->crtc == NULL). Note, 6936e163b5 ("backend/drm: short-circuit no-op commits") has introduced early returns for other situations where we don't need to perform an atomic commit (e.g. updating scale or transform of an output). Fixes: f216e97983 ("backend/drm: drop drm_connector_set_mode()") Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3432		2 years ago
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drm	backend/drm: fix EINVAL atomic commits after VT switch	2 years ago
headless	backend: use global output name counters	2 years ago
libinput	backend/libinput: Fix SIGSEGV found in low-memory fuzzing	2 years ago
multi	Use wl_signal_emit_mutable	2 years ago
session	Use wl_signal_emit_mutable	2 years ago
wayland	backend: use global output name counters	2 years ago
x11	backend: use global output name counters	2 years ago
backend.c	Use env helpers	2 years ago
meson.build	backend: remove noop backend	3 years ago