diff options
author | Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk> | 2018-11-12 19:46:06 +0100 |
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committer | Pekka Paalanen <pekka.paalanen@collabora.com> | 2019-02-21 17:23:38 +0200 |
commit | 6975c8b4245acab029c019910c0966f62bc5665c (patch) | |
tree | c73bb55166f8245e35a1046c44011f975632384e /src/backends | |
parent | f4f823f2380b94e97f7d7952bae200ab7e791699 (diff) | |
download | mutter-6975c8b4245acab029c019910c0966f62bc5665c.tar.gz |
monitor-config-manager: respect other outputs' CRTC
We should not only take the old CRTC for an output whenever
possible, but we should also assign one that is 'free', i.e.
one that another monitor (to be processed after this one)
isn't using, so that that monitor can use the same CRTC.
https://gitlab.gnome.org/GNOME/mutter/issues/373
Diffstat (limited to 'src/backends')
-rw-r--r-- | src/backends/meta-monitor-config-manager.c | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/src/backends/meta-monitor-config-manager.c b/src/backends/meta-monitor-config-manager.c index 335c3f34b..771c57fc1 100644 --- a/src/backends/meta-monitor-config-manager.c +++ b/src/backends/meta-monitor-config-manager.c @@ -77,6 +77,22 @@ meta_monitor_config_manager_get_store (MetaMonitorConfigManager *config_manager) } static gboolean +is_crtc_reserved (MetaCrtc *crtc, + GArray *reserved_crtcs) +{ + unsigned int i; + + for (i = 0; i < reserved_crtcs->len; i++) + { + glong id = g_array_index (reserved_crtcs, glong, i); + if (id == crtc->crtc_id) + return TRUE; + } + + return FALSE; +} + +static gboolean is_crtc_assigned (MetaCrtc *crtc, GPtrArray *crtc_infos) { @@ -95,7 +111,8 @@ is_crtc_assigned (MetaCrtc *crtc, static MetaCrtc * find_unassigned_crtc (MetaOutput *output, - GPtrArray *crtc_infos) + GPtrArray *crtc_infos, + GArray *reserved_crtcs) { MetaCrtc *crtc; unsigned int i; @@ -104,6 +121,21 @@ find_unassigned_crtc (MetaOutput *output, if (crtc && !is_crtc_assigned (crtc, crtc_infos)) return crtc; + /* then try to assign a CRTC that wasn't used */ + for (i = 0; i < output->n_possible_crtcs; i++) + { + crtc = output->possible_crtcs[i]; + + if (is_crtc_assigned (crtc, crtc_infos)) + continue; + + if (is_crtc_reserved (crtc, reserved_crtcs)) + continue; + + return crtc; + } + + /* finally just give a CRTC that we haven't assigned */ for (i = 0; i < output->n_possible_crtcs; i++) { crtc = output->possible_crtcs[i]; @@ -124,6 +156,7 @@ typedef struct MetaMonitorConfig *monitor_config; GPtrArray *crtc_infos; GPtrArray *output_infos; + GArray *reserved_crtcs; } MonitorAssignmentData; static gboolean @@ -147,7 +180,8 @@ assign_monitor_crtc (MetaMonitor *monitor, output = monitor_crtc_mode->output; - crtc = find_unassigned_crtc (output, data->crtc_infos); + crtc = find_unassigned_crtc (output, data->crtc_infos, data->reserved_crtcs); + if (!crtc) { MetaMonitorSpec *monitor_spec = meta_monitor_get_spec (monitor); @@ -229,6 +263,7 @@ assign_monitor_crtcs (MetaMonitorManager *manager, MetaMonitorConfig *monitor_config, GPtrArray *crtc_infos, GPtrArray *output_infos, + GArray *reserved_crtcs, GError **error) { MetaMonitorSpec *monitor_spec = monitor_config->monitor_spec; @@ -262,7 +297,8 @@ assign_monitor_crtcs (MetaMonitorManager *manager, .logical_monitor_config = logical_monitor_config, .monitor_config = monitor_config, .crtc_infos = crtc_infos, - .output_infos = output_infos + .output_infos = output_infos, + .reserved_crtcs = reserved_crtcs }; if (!meta_monitor_mode_foreach_crtc (monitor, monitor_mode, assign_monitor_crtc, @@ -278,6 +314,7 @@ assign_logical_monitor_crtcs (MetaMonitorManager *manager, MetaLogicalMonitorConfig *logical_monitor_config, GPtrArray *crtc_infos, GPtrArray *output_infos, + GArray *reserved_crtcs, GError **error) { GList *l; @@ -290,7 +327,7 @@ assign_logical_monitor_crtcs (MetaMonitorManager *manager, logical_monitor_config, monitor_config, crtc_infos, output_infos, - error)) + reserved_crtcs, error)) return FALSE; } @@ -306,12 +343,40 @@ meta_monitor_config_manager_assign (MetaMonitorManager *manager, { GPtrArray *crtc_infos; GPtrArray *output_infos; + GArray *reserved_crtcs; GList *l; crtc_infos = g_ptr_array_new_with_free_func ((GDestroyNotify) meta_crtc_info_free); output_infos = g_ptr_array_new_with_free_func ((GDestroyNotify) meta_output_info_free); + reserved_crtcs = g_array_new (FALSE, FALSE, sizeof (glong)); + + for (l = config->logical_monitor_configs; l; l = l->next) + { + MetaLogicalMonitorConfig *logical_monitor_config = l->data; + GList *k; + + for (k = logical_monitor_config->monitor_configs; k; k = k->next) + { + MetaMonitorConfig *monitor_config = k->data; + MetaMonitorSpec *monitor_spec = monitor_config->monitor_spec; + MetaMonitor *monitor; + GList *o; + + monitor = meta_monitor_manager_get_monitor_from_spec (manager, monitor_spec); + + for (o = meta_monitor_get_outputs (monitor); o; o = o->next) + { + MetaOutput *output = o->data; + MetaCrtc *crtc; + + crtc = meta_output_get_assigned_crtc (output); + if (crtc) + g_array_append_val (reserved_crtcs, crtc->crtc_id); + } + } + } for (l = config->logical_monitor_configs; l; l = l->next) { @@ -319,14 +384,17 @@ meta_monitor_config_manager_assign (MetaMonitorManager *manager, if (!assign_logical_monitor_crtcs (manager, logical_monitor_config, crtc_infos, output_infos, - error)) + reserved_crtcs, error)) { g_ptr_array_free (crtc_infos, TRUE); g_ptr_array_free (output_infos, TRUE); + g_array_free (reserved_crtcs, TRUE); return FALSE; } } + g_array_free (reserved_crtcs, TRUE); + *out_crtc_infos = crtc_infos; *out_output_infos = output_infos; |