drm/omap: cleanup dispc_fclk_rate()

With the new PLL helpers, we can clean up the dispc_fclk_rate(). This
will also make dispc_fclk_rate() support clock sources it didn't support
earlier.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2016-05-18 13:52:14 +03:00
commit ef03b40126