linux-phytec-fsl

drm/tilcdc: Move waiting of LCDC_FRAME_DONE IRQ into stop()

Move wait queue waiting of LCDC_FRAME_DONE IRQ from tilcdc_crtc_dpms()
into stop() function. This is just a cleanup and enables independent
use of stop() function.

Signed-off-by: Jyri Sarha <jsarha@ti.com>