On Mon, 14 Oct 2024 at 22:16, Stefan Wahren <wahrenst@xxxxxxx> wrote: > > > Am 14.10.24 um 12:54 schrieb Dave Stevenson: > > On Mon, 14 Oct 2024 at 10:04, Maxime Ripard <mripard@xxxxxxxxxx> wrote: > >> Hi, > >> > >> On Sun, Oct 13, 2024 at 09:57:58PM GMT, Stefan Wahren wrote: > >>> Am 13.10.24 um 21:11 schrieb Dave Stevenson: > >>>> Hi Stefan. > >>>> > >>>> On Sun, 13 Oct 2024, 18:19 Stefan Wahren, <wahrenst@xxxxxxx> wrote: > >>>> > >>>> Hi, > >>>> > >>>> i recently switch for my suspend2idle tests from Raspberry Pi Bullseye > >>>> to Bookworm. After that testing suspend2idle shows a new warning > >>>> which i > >>>> never saw before: > >>>> > >>>> HDMI Sink doesn't support RGB, something's wrong. > >>>> > >>>> > >>>> Can you provide the edid of your display please? > ... > >>> > >>> > >>> The failure is coming from sink_supports_format_bpc()[1], but the flag > >>> for DRM_COLOR_FORMAT_RGB444 should have been set from > >>> update_display_info()[2] parsing the EDID. > >>> > >>> Loading that EDID in via drm.edid_firmware has given me a console at > >>> 1920x1200@60 without any issues, so I'm a little confused as to what > >>> is going on. > Since this warning only occurs on resume and not during normal boot, i > would assume there is no issue with EDID. Maybe the flag get lost. I > should have mention that X11 doesn't recover in this case and the > display stays black. Ah, I hadn't realised you meant it was only on resume that it didn't come back up. I suspect you're right that the state gets lost somehow. It may be triggered by the returning of connector_status_unknown on the connector, but haven't traced it back. If I pick up your patches, what do I need to add to replicate this? Dave
