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drm/qxl: use suggested x/y offset properties to pass guest prefs 

This passes the guest preferences for a where to place the
outputs through to userspace. Userspace would need to be updated
to take note of this information, X server and GNOME.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2014-10-28 11:28:44 +10:00
parent 5bb2bbf596
commit 7dea0941f8
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/drm/qxl/qxl_display.c
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@ -101,14 +101,37 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
return 0;
}
static void qxl_update_offset_props(struct qxl_device *qdev)
{
struct drm_device *dev = qdev->ddev;
struct drm_connector *connector;
struct qxl_output *output;
struct qxl_head *head;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
output = drm_connector_to_qxl_output(connector);
head = &qdev->client_monitors_config->heads[output->index];
drm_object_property_set_value(&connector->base,
dev->mode_config.suggested_x_property, head->x);
drm_object_property_set_value(&connector->base,
dev->mode_config.suggested_y_property, head->y);
}
}
void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
{
struct drm_device *dev = qdev->ddev;
while (qxl_display_copy_rom_client_monitors_config(qdev)) {
qxl_io_log(qdev, "failed crc check for client_monitors_config,"
" retrying\n");
}
drm_modeset_lock_all(dev);
qxl_update_offset_props(qdev);
drm_modeset_unlock_all(dev);
if (!drm_helper_hpd_irq_event(qdev->ddev)) {
/* notify that the monitor configuration changed, to
adjust at the arbitrary resolution */
@ -952,6 +975,10 @@ static int qdev_output_init(struct drm_device *dev, int num_output)
drm_object_attach_property(&connector->base,
qdev->hotplug_mode_update_property, 0);
drm_object_attach_property(&connector->base,
dev->mode_config.suggested_x_property, 0);
drm_object_attach_property(&connector->base,
dev->mode_config.suggested_y_property, 0);
drm_connector_register(connector);
return 0;
}
@ -1065,6 +1092,7 @@ int qxl_modeset_init(struct qxl_device *qdev)
qdev->ddev->mode_config.fb_base = qdev->vram_base;
drm_mode_create_suggested_offset_properties(qdev->ddev);
qxl_mode_create_hotplug_mode_update_property(qdev);
for (i = 0 ; i < qxl_num_crtc; ++i) {