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Commit efedce14 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: modify get/find functions to go through the device chain 



In the future will have arbitrarily long video pipeline chains, instead
of the current two-entities-per-pipeline model.

This patch changes the affected get/find style functions so that they
properly go through the video pipeline chain, for example when getting
the overlay manager connected to a given display.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 5d47dbc8

drivers/video/omap2/dss/apply.c

+13 −1
Original line number Diff line number Diff line
@@ -422,7 +422,19 @@ static void wait_pending_extra_info_updates(void) 


static struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr)

{

	return mgr->output ? mgr->output->device : NULL;

	struct omap_dss_device *dssdev;



	dssdev = mgr->output;

	if (dssdev == NULL)

		return NULL;



	while (dssdev->device)

		dssdev = dssdev->device;



	if (dssdev->driver)

		return dssdev;

	else

		return NULL;

}



static struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl)

drivers/video/omap2/dss/output.c

+7 −1
Original line number Diff line number Diff line
@@ -146,7 +146,13 @@ EXPORT_SYMBOL(omap_dss_find_output_by_node); 


struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev)

{

	return omap_dss_get_device(dssdev->output);

	while (dssdev->output)

		dssdev = dssdev->output;



	if (dssdev->id != 0)

		return omap_dss_get_device(dssdev);



	return NULL;

}

EXPORT_SYMBOL(omapdss_find_output_from_display);