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https://github.com/hyprwm/wlroots-hyprland.git
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backend/drm: nuke wlr_drm_connector.desired_enabled
This field becomes stale too easily: for instance, see 6adca4089c
("backend/drm: don't unconditionally set desired_enabled").
Additionally, drm_connector_alloc_crtc() needs to do some weird
dance, restoring its previous value.
Instead, add a connector arg to realloc_crtcs() to indicate a new
connector we want to enable.
This commit is contained in:
parent
5a207aea72
commit
f4cf0a8d86
2 changed files with 18 additions and 26 deletions
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@ -663,18 +663,13 @@ struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane) {
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return plane->current_fb;
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}
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static void realloc_crtcs(struct wlr_drm_backend *drm);
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static void realloc_crtcs(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *want_conn);
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static bool drm_connector_alloc_crtc(struct wlr_drm_connector *conn) {
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if (conn->crtc != NULL) {
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return true;
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if (conn->crtc == NULL) {
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realloc_crtcs(conn->backend, conn);
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}
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bool prev_desired_enabled = conn->desired_enabled;
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conn->desired_enabled = true;
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realloc_crtcs(conn->backend);
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conn->desired_enabled = prev_desired_enabled;
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return conn->crtc != NULL;
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}
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@ -699,8 +694,6 @@ static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
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}
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}
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conn->desired_enabled = wlr_mode != NULL;
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if (wlr_mode == NULL) {
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if (conn->crtc != NULL) {
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if (!drm_crtc_commit(conn, state, 0, false)) {
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@ -740,7 +733,6 @@ static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
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wlr_output_update_mode(&conn->output, wlr_mode);
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wlr_output_update_enabled(&conn->output, true);
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conn->desired_enabled = true;
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// When switching VTs, the mode is not updated but the buffers become
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// invalid, so we need to manually damage the output here
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@ -924,7 +916,6 @@ static void drm_connector_destroy_output(struct wlr_output *output) {
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dealloc_crtc(conn);
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conn->status = DRM_MODE_DISCONNECTED;
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conn->desired_enabled = false;
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conn->possible_crtcs = 0;
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conn->pending_page_flip_crtc = 0;
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@ -1068,7 +1059,8 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
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conn->crtc = NULL;
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}
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static void realloc_crtcs(struct wlr_drm_backend *drm) {
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static void realloc_crtcs(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *want_conn) {
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assert(drm->num_crtcs > 0);
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size_t num_outputs = wl_list_length(&drm->outputs);
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@ -1093,17 +1085,19 @@ static void realloc_crtcs(struct wlr_drm_backend *drm) {
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wl_list_for_each(conn, &drm->outputs, link) {
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connectors[i] = conn;
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wlr_log(WLR_DEBUG, " '%s' crtc=%d status=%d desired_enabled=%d",
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conn->name, conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1,
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conn->status, conn->desired_enabled);
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if (conn->crtc) {
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previous_match[conn->crtc - drm->crtcs] = i;
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}
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// Only search CRTCs for user-enabled outputs (that are already
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// connected or in need of a modeset)
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if (conn->status == DRM_MODE_CONNECTED && conn->desired_enabled) {
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// Only request a CRTC if the connected is currently enabled or it's the
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// connector the user wants to enable
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bool want_crtc = conn == want_conn || conn->output.enabled;
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wlr_log(WLR_DEBUG, " '%s' crtc=%d status=%d want_crtc=%d",
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conn->name, conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1,
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conn->status, want_crtc);
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if (conn->status == DRM_MODE_CONNECTED && want_crtc) {
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connector_constraints[i] = conn->possible_crtcs;
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} else {
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// Will always fail to match anything
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@ -1148,8 +1142,8 @@ static void realloc_crtcs(struct wlr_drm_backend *drm) {
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struct wlr_drm_connector *conn = connectors[i];
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bool prev_enabled = conn->crtc;
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wlr_log(WLR_DEBUG, " '%s' crtc=%zd status=%d desired_enabled=%d",
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conn->name, connector_match[i], conn->status, conn->desired_enabled);
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wlr_log(WLR_DEBUG, " '%s' crtc=%zd status=%d",
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conn->name, connector_match[i], conn->status);
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// We don't need to change anything.
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if (prev_enabled && connector_match[i] == conn->crtc - drm->crtcs) {
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@ -1422,7 +1416,6 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
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}
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wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
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wlr_conn->desired_enabled = wlr_conn->crtc != NULL;
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wlr_conn->status = DRM_MODE_CONNECTED;
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new_outputs[new_outputs_len++] = wlr_conn;
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@ -1452,7 +1445,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
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destroy_drm_connector(conn);
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}
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realloc_crtcs(drm);
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realloc_crtcs(drm, NULL);
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for (size_t i = 0; i < new_outputs_len; ++i) {
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struct wlr_drm_connector *conn = new_outputs[i];
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@ -108,7 +108,6 @@ struct wlr_drm_connector {
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struct wlr_drm_backend *backend;
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char name[24];
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drmModeConnection status;
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bool desired_enabled;
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uint32_t id;
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uint64_t max_bpc;
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struct wlr_drm_lease *lease;
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