[haiku-bugs] Re: [Haiku] #8457: Blank screen after boot on Radeon Mobility 4670 HD (was: radeon_hd ignores lvds edid patch table resulting in incorrect lvds resolutions)
- From: "kallisti5" <trac@xxxxxxxxxxxx>
- Date: Mon, 01 Jul 2013 04:52:03 -0000
#8457: Blank screen after boot on Radeon Mobility 4670 HD
------------------------------------------+----------------------------
Reporter: kvark | Owner: kallisti5
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Drivers/Graphics/radeon_hd | Version: R1/Development
Resolution: | Keywords: blank radeon
Blocked By: | Blocking: 7662
Has a Patch: 0 | Platform: x86
------------------------------------------+----------------------------
Comment (by kallisti5):
Ha.. this confirms i'm not crazy. If we disassemble
(http://cgit.freedesktop.org/~mhopf/AtomDis/) the atombios you provided...
{{{
kallisti5@houvonglucka01 AtomDis :( $ ./atomdis
~/radeon_hd_bios_1002_9488_0.bin d 0006
Read 20000 bytes of data from
/home/kallisti5/radeon_hd_bios_1002_9488_0.bin
data_table 0000acf0 #06 (LVDS_Info):
Size 0036
Format Rev. 01
Param Rev. 00
Content Rev. 02
00000000: 302a 7805 1c01 1a04 1000 2c00 0*x.......,.
00000010: 7000 0100 0300 0000 0000 0000 0600 0000 p...............
00000020: 0000 2000 f401 0324 4d3c 0101 0000 0000 .. ....$M<......
00000030: 0030 0000 0000 .0....
0000: ATOM_COMMON_TABLE_HEADER sHeader :
0000: USHORT usStructureSize = 0x0036
(54)
0002: UCHAR ucTableFormatRevision = 0x01
(1)
0003: UCHAR ucTableContentRevision = 0x02
(2)
0004: ATOM_DTD_FORMAT sLCDTiming :
0004: USHORT usPixClk = 0x2a30
(10800)
0006: USHORT usHActive = 0x0578
(1400)
0008: USHORT usHBlanking_Time = 0x011c
(284)
000a: USHORT usVActive = 0x041a
(1050)
000c: USHORT usVBlanking_Time = 0x0010
(16)
000e: USHORT usHSyncOffset = 0x002c
(44)
0010: USHORT usHSyncWidth = 0x0070
(112)
0012: USHORT usVSyncOffset = 0x0001
(1)
0014: USHORT usVSyncWidth = 0x0003
(3)
0016: USHORT usImageHSize = 0x0000
(0)
0018: USHORT usImageVSize = 0x0000
(0)
001a: UCHAR ucHBorder = 0x00
(0)
001b: UCHAR ucVBorder = 0x00
(0)
001c: ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo :
001c: (union) ATOM_MODE_MISC_INFO sbfAccess :
USHORT HorizontalCutOff:1 =
0x0000 (0)
USHORT HSyncPolarity:1 =
0x0001 (1)
USHORT VSyncPolarity:1 =
0x0001 (1)
USHORT VerticalCutOff:1 =
0x0000 (0)
USHORT H_ReplicationBy2:1 =
0x0000 (0)
USHORT V_ReplicationBy2:1 =
0x0000 (0)
USHORT CompositeSync:1 =
0x0000 (0)
USHORT Interlace:1 =
0x0000 (0)
USHORT DoubleClock:1 =
0x0000 (0)
USHORT RGB888:1 =
0x0000 (0)
USHORT Reserved:6 =
0x0000 (0)
001c: (union) USHORT usAccess = 0x0006
(6)
001e: UCHAR ucInternalModeNumber = 0x00
(0)
001f: UCHAR ucRefreshRate = 0x00
(0)
0020: USHORT usExtInfoTableOffset = 0x0000
(0)
0022: USHORT usSupportedRefreshRate = 0x0020
(32)
0024: USHORT usOffDelayInMs = 0x01f4
(500)
0026: UCHAR ucPowerSequenceDigOntoDEin10Ms = 0x03
(3)
0027: UCHAR ucPowerSequenceDEtoBLOnin10Ms = 0x24
(36)
0028: UCHAR ucLVDS_Misc = 0x4d
(77)
0029: UCHAR ucPanelDefaultRefreshRate = 0x3c
(60)
002a: UCHAR ucPanelIdentification = 0x01
(1)
002b: UCHAR ucSS_Id = 0x01
(1)
002c: USHORT usLCDVenderID = 0x0000
(0)
002e: USHORT usLCDProductID = 0x0000
(0)
0030: UCHAR ucLCDPanel_SpecialHandlingCap = 0x00
(0)
0031: UCHAR ucPanelInfoSize = 0x30
(48)
0032: UCHAR ucReserved [0] = 0x00
(0)
0033: UCHAR ucReserved [1] = 0x00
(0)
Total data structure size: 0034
}}}
it definitely tells us:
usHActive = 0x0578 (1400)
usVActive = 0x041a (1050)
Your LVDS_Info table is 1.2:
0006: acf0 Len 0036 Rev 01:02 (LVDS_Info) (struct size 0034)
Which means it shouldn't (and doesn't) contain a usModePatchTableOffset.
--
Ticket URL: <http://dev.haiku-os.org/ticket/8457#comment:27>
Haiku <http://dev.haiku-os.org>
Haiku - the operating system.
Other related posts:
- » [haiku-bugs] Re: [Haiku] #8457: Blank screen after boot on Radeon Mobility 4670 HD (was: radeon_hd ignores lvds edid patch table resulting in incorrect lvds resolutions) - kallisti5
