drm/vc4: hdmi: Properly compute the BVB clock rate

The BVB clock rate computation doesn't take into account a mode clock of
594MHz that we're going to need to support 4k60.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210507150515.257424-9-maxime@cerno.tech
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Maxime Ripard 2021-05-07 17:05:11 +02:00
commit 7d9061e097
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