63 lines
2.0 KiB
Diff
63 lines
2.0 KiB
Diff
From aa4cb0e6576a98dc6212ed11af0e8fd129b21d15 Mon Sep 17 00:00:00 2001
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From: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
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Date: Mon, 18 Mar 2024 16:43:33 +0100
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Subject: [PATCH 1/4] Clone mode not supported
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Display controller doesn't support several outputs.
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During a head changed, get & close the weston head which is enabled.
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Then an output can enabled (only one even if several output have
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connected).
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Upstream-Status: Pending
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Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
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---
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compositor/main.c | 24 ++++++++++++++++--------
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1 file changed, 16 insertions(+), 8 deletions(-)
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diff --git a/compositor/main.c b/compositor/main.c
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index 0e3d375..365dc1c 100644
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--- a/compositor/main.c
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+++ b/compositor/main.c
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@@ -2668,22 +2668,30 @@ drm_heads_changed(struct wl_listener *listener, void *arg)
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/* We need to collect all cloned heads into outputs before enabling the
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* output.
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*/
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+ while ((head = weston_compositor_iterate_heads(compositor, head))) {
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+ enabled = weston_head_is_enabled(head);
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+
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+ if (enabled) {
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+ drm_head_disable(head);
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+ weston_head_reset_device_changed(head);
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+ }
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+ }
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+
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while ((head = wet_backend_iterate_heads(wet, wb, head))) {
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connected = weston_head_is_connected(head);
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enabled = weston_head_is_enabled(head);
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- changed = weston_head_is_device_changed(head);
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forced = drm_head_should_force_enable(wet, head);
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if ((connected || forced) && !enabled) {
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+ /*
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+ * Prepare & enable only the first head connected.
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+ * CRTC doesn't support several output.
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+ */
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drm_head_prepare_enable(wet, head);
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- } else if (!(connected || forced) && enabled) {
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- drm_head_disable(head);
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- } else if (enabled && changed) {
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- weston_log("Detected a monitor change on head '%s', "
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- "not bothering to do anything about it.\n",
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- weston_head_get_name(head));
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+
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+ weston_head_reset_device_changed(head);
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+ break;
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}
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- weston_head_reset_device_changed(head);
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}
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if (drm_process_layoutputs(wet) < 0)
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--
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2.34.1
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