Messages in this thread | | | Subject | Re: [PATCH v2 0/5] 180 degrees rotation support for NVIDIA Tegra DRM | From | Dmitry Osipenko <> | Date | Wed, 17 Jun 2020 19:27:18 +0300 |
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17.06.2020 12:34, Daniel Stone пишет: > Hi, > > On Tue, 16 Jun 2020 at 22:16, Dmitry Osipenko <digetx@gmail.com> wrote: >> The panel's orientation could be parsed by any panel driver and then >> assigned as the connector's property in order to allow userspace/FB-core >> to decide what to do with the rotated display. Apparently upstream >> kernel supports only that one Samsung device which has display panel >> mounted upside-down and it already uses the custom DT properties for >> achieving the 180 rotation. So I don't quite see any panel drivers that >> instantly could benefit from using the rotation property. Perhaps I can >> add the orientation support to the panel-simple driver, but will it be >> useful to anyone? > > Yes, exposing it to userspace is helpful, since Weston at least will > parse the property and then apply the correct transform: > https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/315
Hello Daniel,
Thank you very much for the pointer! I missed that Weston now uses the panel's orientation. I gave a quick test to the recent Weston and indeed it applies the transform in accordance to the connector's orientation property.
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