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H A Ddw-hdmi-cec.cdiff db1184e410744a680f92ca21e5acd5ae54510db8 Fri Jul 21 07:44:15 CDT 2023 Sandor Yu <Sandor.yu@nxp.com> drm: bridge: dw_hdmi: Add cec suspend/resume functions

CEC interrupt status/mask and logical address registers
will be reset when device enter suspend.
It will cause cec fail to work after device resume.
Add CEC suspend/resume functions, reinitialize logical address registers
and restore interrupt status/mask registers after resume.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230721124415.1513223-1-Sandor.yu@nxp.com