[Bug 41265] New: KMS does not work on Radeon HD6700M

* [Bug 41265] New: KMS does not work on Radeon HD6700M
@ 2011-09-27 15:48 bugzilla-daemon
  2011-09-27 15:49 ` [Bug 41265] " bugzilla-daemon
                   ` (56 more replies)
  0 siblings, 57 replies; 58+ messages in thread
From: bugzilla-daemon @ 2011-09-27 15:48 UTC (permalink / raw)
  To: dri-devel

https://bugs.freedesktop.org/show_bug.cgi?id=41265

           Summary: KMS does not work on Radeon HD6700M
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/other
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: weasalandme@yahoo.com

Created an attachment (id=51663)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51663)
syslog output with drm.debug=15

I have a Sony Vaio Z laptop with an internal Intel 3000M card and a discrete
Radeon HD6700M card which is connected via the new Intel LightPeak/Thunderbolt
port. 
Intel card works fine, Radeon card fails on drm init with invalid rom contents
(attached is the full dmesg with drm.debug=15)

[drm] initializing kernel modesetting (TURKS 0x1002:0x6740 0x104D:0x9084).
[drm] register mmio base: 0xC0200000
[drm] register mmio size: 131072
radeon 0000:16:00.0: Invalid ROM contents
radeon 0000:16:00.0: Invalid ROM contents
[drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM
radeon 0000:16:00.0: Fatal error during GPU init

The interesting part is that xorg detects a card on PCI:22:0:0 bus and if I
specify that as the BusID (xorg.conf) the radeon driver loads and TURKS
complains that it requires KMS. If I use PCI:16:0:0 as the BusID radeon does
not detect a card at all. According to lspci there is nothing on bus 22:00 but
I think the Intel card provides that address as the location of the discrete
card.

Any ideas what I can do to get this working?

uname -a:

Linux debian 3.1.0-rc6-amd64 #1 SMP Thu Sep 22 20:01:48 UTC 2011 x86_64
GNU/Linux

xorg 7.6

lspci output:

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if
00 [VGA controller])
        Subsystem: Sony Corporation Device [104d:9084]
        Flags: bus master, fast devsel, latency 0, IRQ 48
        Memory at d0000000 (64-bit, non-prefetchable) [size=4M]
        Memory at a0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at a000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 2
        Capabilities: [a4] PCI Advanced Features
        Kernel driver in use: i915
16:00.0 VGA compatible controller [0300]: ATI Technologies Inc Whistler XT [AMD
Radeon HD 6700M Series] [1002:6740] (prog-if 00 [VGA controller])
        Subsystem: Sony Corporation Device [104d:9084]
        Flags: fast devsel, IRQ 255
        Memory at b0000000 (64-bit, prefetchable) [disabled] [size=256M]
        Memory at <unassigned> (64-bit, non-prefetchable) [disabled]
        I/O ports at 3000 [disabled] [size=256]
        [virtual] Expansion ROM at c0000000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
        Capabilities: [150] Advanced Error Reporting

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