linux-kernel - Re: [PATCH] drm/sun4i: Clear encoder->bridge if a bridge is not found

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Date:   Wed, 31 Aug 2016 18:41:56 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     David Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/sun4i: Clear encoder->bridge if a bridge is not found

On Wed, Aug 31, 2016 at 07:09:23PM +0800, Chen-Yu Tsai wrote:
> >>>       sun4i_tcon_channel_disable(tcon, 0);
> >>>
> >>> -     if (!IS_ERR(encoder->bridge))
> >>> -             drm_bridge_disable(encoder->bridge);
> >>> +     drm_bridge_disable(encoder->bridge);
> >>
> >> I'd rather keep those changes, it makes it obvious that it's something
> >> optionnal, that can be set to NULL.
> >
> > OK.
> 
> What about having a comment instead? Saves an extra branch condition,
> while still showing that it's optional.

I'm not sure we have to worry about an extra branch condition, but
yeah, that works for me.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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