[PATCH] drm/ingenic: Add basic PM support

[Sam Ravnborg]

Hi Paul.

On Sat, Nov 28, 2020 at 05:16:06PM +0000, Paul Cercueil wrote:
> Call drm_mode_config_helper_suspend() and
> drm_mode_config_helper_resume() on suspend and resume, respectively.
> 
> This makes sure that the display stack is properly disabled when the
> hardware is put to sleep.
> 
> Signed-off-by: Paul Cercueil <paul at crapouillou.net>

As discussed on irc, with resume fixed to return the result of the
drm_mode_config_helper_resume() call.

Reviewed-by: Sam Ravnborg <sam at ravnborg.org>