[PATCH] drm/radeon: bogus PCI ID

[Alex Deucher]

On Sun, Oct 26, 2014 at 1:22 PM, Mark Kettenis <mark.kettenis at xs4all.nl> wrote:
> All evidence I can find suggests that device ID 0x4c6e is the
> "secondary" device for the Radeon Mobility 9000/M9.  As such it would
> be an RV250 chip instead of RV280.  However, the radeon drm driver
> doesn't actually handle "secondary" devices.  For example, the
> (non-Mobility) Radeon 9000 with device ID 496e isn't listed.  So I
> believe this specific device ID should be removed from the list.  All
> it currently accomplishes is printing "Fatal error during GPU init"
> after the driver fails to map PCI BAR 2, which isn't there on these
> "secondary" devices.
>
> Tested (on OpenBSD) on a FireMV 2400 PCI card, which is essentially
> two Mobility M9's with a PCI-PCI bridge, and where the two 0x4c6e
> secondaries on function 1 are paired with 0x4c66 primaries on function
> 0.  Hopefully this diff can be applied to the Linux kernel as well
> such that we can keep drm_pciids.h in sync between the various OSes.
>
> Thanks,

Applied to my -fixes tree.  Thanks!

Alex

>
> Mark
>
>
> diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
> index e973540..2dd405c 100644
> --- a/include/drm/drm_pciids.h
> +++ b/include/drm/drm_pciids.h
> @@ -74,7 +74,6 @@
>         {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
>         {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
>         {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
> -       {0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
>         {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
>         {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
>         {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
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