Hi Lucas, Not yet, I was looking the possibility of using it when I found this limitation.
Regards 2018-06-04 11:19 GMT+02:00 Lucas Stach <[email protected]>: > Hi Julien, > > Am Freitag, den 01.06.2018, 09:00 +0200 schrieb Julien Boulnois: > > Hi Lucas, > > > > I think I found an issue in etnaviv kernel driver regarding > > VIV_FE_DRAW_2D_HEADER_DATA_COUNT > > > > In your old test > > https://github.com/etnaviv/etna_viv/blob/master/attic/test2d/bitblt2d > > _from_stream.c you append streamed data at the end of draw command > > buffer, but driver gives an error : > > etnaviv_cmd_validate_one: op 21 not permitted at offset 50 > > > > After looking closer, I think that FE_OPCODE_DRAW_2D check in > > etnaviv_cmd_parser.c#etnaviv_cmd_validate_one should take account of > > these extra data : > > > > case FE_OPCODE_DRAW_2D: > > n = EXTRACT(cmd, VIV_FE_DRAW_2D_HEADER_COUNT) * 2 + > > EXTRACT(cmd, VIV_FE_DRAW_2D_HEADER_DATA_COUNT); > > if (n == 0) > > n = 256; > > len = 2 + n; > > break; > > Yes, the kernel command parser is a bit too conservative here. Are you > using the streamed data feature in your driver? > > Regards, > Lucas > -- Julien Boulnois
_______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
