linux-kernel - Re: [PATCHv2 3/8] drm/omap: add support for manually updated displays

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Message-ID: <20180320142911.GY5799@atomide.com>
Date:   Tue, 20 Mar 2018 07:29:11 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCHv2 3/8] drm/omap: add support for manually updated displays

* Sebastian Reichel <sebastian.reichel@...labora.co.uk> [180208 18:31]:
> This adds the required infrastructure for manually
> updated displays, such as DSI command mode panels.
> 
> While those panels often support partial updates
> we currently always do a full refresh. Display
> will be refreshed when something calls the dirty
> callback, such as libdrm's drmModeDirtyFB().
> 
> This is currently being implemented for the kernel
> console and for Xorg. Weston currently does not
> implement this and is known not to work on manually
> updated displays.

Tested-by: Tony Lindgren <tony@...mide.com>