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mutter/wayland: Improved preferred mode selection for the native backend

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Instead of selecting the first drm mode as the preferred mode, select the
first drm mode marked as preferred. If there are no modes marked as
preferred, revert to the old behaviour and select the first mode.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

https://bugzilla.gnome.org/show_bug.cgi?id=750363
This commit is contained in:
Thomas Hellstrom 2015-06-03 22:08:17 +02:00 committed by Jasper St. Pierre
parent 103c88bd72
commit 4d5dd01b7d
1 changed files with 8 additions and 2 deletions
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10
src/backends/native/meta-monitor-manager-kms.c
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@ -601,11 +601,17 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
break;
}
meta_output->preferred_mode = NULL;
meta_output->n_modes = connector->count_modes;
meta_output->modes = g_new0 (MetaMonitorMode *, meta_output->n_modes);
for (j = 0; j < meta_output->n_modes; j++)
for (j = 0; j < meta_output->n_modes; j++) {
meta_output->modes[j] = find_meta_mode (manager, &connector->modes[j]);
meta_output->preferred_mode = meta_output->modes[0];
if (connector->modes[j].type & DRM_MODE_TYPE_PREFERRED)
meta_output->preferred_mode = meta_output->modes[j];
}
if (!meta_output->preferred_mode)
meta_output->preferred_mode = meta_output->modes[0];
output_kms->connector = connector;
output_kms->n_encoders = connector->count_encoders;