linux-kernel - Re: [PATCH] drm: sun8i-ui/vi: Fix layer zpos change/atomic modesetting

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Date:   Wed, 18 Sep 2019 16:17:34 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     megous@...ous.com
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Chen-Yu Tsai <wens@...e.org>, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm: sun8i-ui/vi: Fix layer zpos change/atomic
 modesetting

Hi,

On Sun, Sep 15, 2019 at 12:03:37AM +0200, megous@...ous.com wrote:
> From: Ondrej Jirman <megous@...ous.com>
>
> There are various issues that this re-work of sun8i_[uv]i_layer_enable
> function fixes:
>
> - Make sure that we re-initialize zpos on reset
> - Minimize register updates by doing them only when state changes
> - Fix issue where DE pipe might get disabled even if it is no longer
>   used by the layer that's currently calling sun8i_ui_layer_enable
> - .atomic_disable callback is not really needed because .atomic_update
>   can do the disable too, so drop the duplicate code
>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>

It looks like these fixes should be in separate patches. Is there any
reason it's not the case?

Maxime

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