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Commit 7dea0941 authored by Dave Airlie's avatar Dave Airlie
Browse files

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: default avatarDave Airlie <airlied@redhat.com>
parent 5bb2bbf5

drivers/gpu/drm/qxl/qxl_display.c

+28 −0
Original line number Diff line number Diff line
@@ -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) {