drm: bridge/dw_hdmi: add support for multi-byte register width access

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On rockchip rk3288, only word(32-bit) accesses are
permitted for hdmi registers.  Byte width accesses (writeb,
readb) generate an imprecise external abort.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

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Andy Yan 2014-12-05 14:28:24 +08:00 • committed by Philipp Zabel

parent cd15239396

commit 0cd9d14283

1 changed files with 42 additions and 2 deletions

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drivers/gpu/drm/bridge/dw_hdmi.c

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