drm/sun4i: Move access control before setting the register as documented

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Unlike what is currently being done, the ACCESS_CTRL bit documentation asks
that this bit should be set before modifying any register. The code in the
BSP also does this, so make sure we do this as well.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-18-paul.kocialkowski@bootlin.com

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Maxime Ripard 2019-01-18 15:51:27 +01:00

parent 9db9c0cf58

commit 9401860156

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1 changed files with 4 additions and 3 deletions

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drivers/gpu/drm/sun4i/sun4i_frontend.c

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