linux-kernel - Re: [PATCH 3/4] drm/panel: sitronix-st7789v: add support for partial mode

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Message-ID: <tbdwgfr4rqgytttoxhidsil42mda77qj3qmhw2do3k5rmwsaeh@qronuzdubv6q>
Date:   Wed, 19 Jul 2023 08:39:21 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Michael Riesch <michael.riesch@...fvision.net>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Sebastian Reichel <sre@...nel.org>,
        Gerald Loacker <gerald.loacker@...fvision.net>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 3/4] drm/panel: sitronix-st7789v: add support for partial
 mode

Hi,

On Tue, Jul 18, 2023 at 05:31:52PM +0200, Michael Riesch wrote:
> The ST7789V controller features support for the partial mode. Here,
> the area to be displayed can be restricted in one direction (by default,
> in vertical direction). This is useful for panels that are partially
> occluded by design. Add support for the partial mode.
> 
> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>

We already had that discussion, but I think we shouldn't treat this any
differently than overscan for other output.

Maxime

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