On Tue, Dec 14, 2021 at 06:58:56PM +0100, Jernej Škrabec wrote: > Dne torek, 14. december 2021 ob 13:02:48 CET je Emmanuel Gil Peyrot > napisal(a): > > Hi, > > > > After updating Weston from 9f8561e9 to 07326040 (latest master), it > > fails to run on my PinePhone saying “format 0x34325258 not supported by > > output DSI-1” and then exiting. > > > > This format is XR24, which would be extremely surprising not to be > > present, and drm_info[1] says it is present. Looking into Weston’s > > code, I found that drm_plane_populate_formats()’s docstring says it uses > > “either the IN_FORMATS blob property (if available), or the plane's > > format list if not.” Looking back at drm_info, I saw said IN_FORMATS > > blob being empty of formats (while the format list is fully populated): > > "IN_FORMATS" (immutable): blob = 32 > > └───DRM_FORMAT_MOD_LINEAR (0x0) > > Does this solve your issue? http://ix.io/3Ipo Hi, yes it does, thanks! Tested-by: Emmanuel Gil Peyrot <linkmauve@xxxxxxxxxxxx> > > Best regards, > Jernej > > > > > This makes me think the kernel should populate IN_FORMATS with at least > > the same formats as the format list when supported, or stop advertising > > this property altogether. > > > > Other compositors (such as phoc) still run file, probably because they > > use the format list exclusively, without consideration for modifiers. > > > > Besides fixing this driver, would it make sense to also make Weston > > ignore an empty IN_FORMATS and fall back to the format list? > > > > Thanks, > > > > [1] https://github.com/ascent12/drm_info > > > > -- > > Emmanuel Gil Peyrot > > > -- Emmanuel Gil Peyrot
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