Re: [Freedreno] [v1] drm/msm/dsi: save pll state before dsi host is powered off

From: Jeffrey Hugo
Date: Thu Feb 06 2020 - 09:51:59 EST


On Thu, Feb 6, 2020 at 1:52 AM Harigovindan P <harigovi@xxxxxxxxxxxxxx> wrote:
>
> Save pll state before dsi host is powered off. Without this change
> some register values gets resetted.

The phy driver already does this. Why is the current implementation
insufficient?

>
> Signed-off-by: Harigovindan P <harigovi@xxxxxxxxxxxxxx>
> ---
>
> Changes in v1:
> - Saving pll state before dsi host is powered off.
> - Removed calling of save state in post_disable since everything
> would be resetted and it would save only resetted values.

Removed from post_disable? Thats not what I see in the change since
you are adding code to dsi_mgr_bridge_post_disable()