drm/omap: dsi: simplify VC handling
The VC handling has gotten quite tangled up. As the first step to clean it up, lets define that we only support a single DSI peripheral (which was really already the case), and we always use VC0 (define VC_DEFAULT 0) register block to send data to the peripheral. We can thus have a single mipi_dsi_device pointer and remove the for-loops which made passes over all the four VCs (just the first one was ever used). Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201215104657.802264-63-tomi.valkeinen@ti.com
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