I compiled nouveau and changed nv_bios.c where dcb1.5 is parsed, to let my
dcb-entries be accepted :
Line 4343:
{ if (conn != 0xf0003f00 && conn != 0xf2247f10
/*these two where added */ && conn != 0xf0007f00 && conn != 0xf2205002
&&
conn != 0xf2204001 && conn != 0xf2204301 && conn != 0xf2204311 &&
conn != 0xf2208001 && conn != 0xf2244001 && conn != 0xf2244301 && conn !=
0xf2244311 && conn != 0xf4204011 && conn != 0xf4208011 && conn != 0xf4248011 &&
conn != 0xf2045ff2 &&
conn != 0xf2045f14 && conn != 0xf207df14 && conn != 0xf2205004) {
NV_ERROR(pScrn, "Unknown DCB 1.5 entry, please report\n");
/* cause output setting to fail for !TV, so message is seen */
if ((conn & 0xf) != 0x1)
dcb->entries = 0;
return false;
}
I was hoping it would work without further ado - well no it doesn't, but maybe
the xorg.log is interesting for you:
-there are two dcb entries:
(II) NOUVEAU(0): BMP BIOS found
(II) NOUVEAU(0): BMP version 5.20
(II) NOUVEAU(0): Bios version 03.11.01.48
(II) NOUVEAU(0): Found Display Configuration Block version 1.5
(!!) NOUVEAU(0): Raw DCB entry 0: f0007f00 000088b8
(!!) NOUVEAU(0): Raw DCB entry 1: f2205002 ffffffff
(--) NOUVEAU(0): Parsing VBIOS init table 0 at offset 0xADFE
(--) NOUVEAU(0): Parsing VBIOS init table 1 at offset 0xB4EC
(--) NOUVEAU(0): Parsing VBIOS init table 2 at offset 0xAE19
(--) NOUVEAU(0): Parsing VBIOS init table 3 at offset 0xB493
(--) NOUVEAU(0): Parsing VBIOS init table 4 at offset 0xAEAC
(--) NOUVEAU(0): Parsing VBIOS init table 5 at offset 0xB000
(--) NOUVEAU(0): Parsing VBIOS init table 6 at offset 0xAED1
(--) NOUVEAU(0): Parsing VBIOS init table 7 at offset 0xAF9B
(II) NOUVEAU(0): Output DVI-I-0 using monitor section Standardbildschirm
(II) NOUVEAU(0): I2C bus "DVI-I-0" initialized.
(II) NOUVEAU(0): I2C device "DVI-I-0:E-EDID segment register" registered at
address 0x60.
(II) NOUVEAU(0): I2C device "DVI-I-0:ddc2" registered at address 0xA0.
** Attachment added: "Xorg.0.log"
http://launchpadlibrarian.net/26812088/Xorg.0.log
--
Unknown DCB 1.5 entry, please report
https://bugs.launchpad.net/bugs/359350
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