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backend/drm: restore custom modes 

We were only restoring fixed modes here. The DRM backend no longer
creates fixed modes when the compositor sets a custom mode, so we
need to handle this situation when restoring.

Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3698
This commit is contained in:
Simon Ser 2023-07-24 11:01:39 +02:00
parent 2f859f5bec
commit 307720d501
1 changed files with 9 additions and 8 deletions
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17
backend/drm/backend.c
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@ -121,17 +121,18 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->connectors, link) {
struct wlr_output_mode *mode = NULL;
if (conn->status != DRM_MODE_DISCONNECTED && conn->output.enabled
&& conn->output.current_mode != NULL) {
mode = conn->output.current_mode;
}
bool enabled = conn->status != DRM_MODE_DISCONNECTED && conn->output.enabled;
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_enabled(&state, mode != NULL);
if (mode != NULL) {
wlr_output_state_set_mode(&state, mode);
wlr_output_state_set_enabled(&state, enabled);
if (enabled) {
if (conn->output.current_mode != NULL) {
wlr_output_state_set_mode(&state, conn->output.current_mode);
} else {
wlr_output_state_set_custom_mode(&state,
conn->output.width, conn->output.height, conn->output.refresh);
}
}
if (!drm_connector_commit_state(conn, &state)) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to restore state after VT switch");