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    SubjectRe: [PATCHv6 4/4] drm/omap: add support for manually updated displays
    On Wed 2019-04-03 17:11:09, Tony Lindgren wrote:
    > * Sebastian Reichel <sebastian.reichel@collabora.com> [190403 20:14]:
    > > 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.
    > >
    > > The display will be refreshed when something calls the dirty callback,
    > > such as libdrm's drmModeDirtyFB(). This is currently being done at least
    > > by the kernel console and Xorg (with modesetting driver) in their
    > > default configuration. Weston does not implement this and the fbdev
    > > backend does not work (display will not update). Weston's DRM backend
    > > uses double buffering and the page flip will also trigger a display
    > > refresh.
    >
    > I've tested this with Linux next and the latest lm3532
    > patches and it works fine as long as we leave out the
    > backlight = <&lcd_backlight> entry from dts like I
    > replied in the lm3532 tread. So as far as I'm concerned,
    > we're good to go:
    >
    > Tested-by: Tony Lindgren <tony@atomide.com>

    I've tested this on 5.2-rc1, and it is still neccessary, still needed,
    and still not merged.

    How can I help? Can the patches simply be picked up for drm tree?

    Tested-by: Pavel Machek <pavel@ucw.cz>
    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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