[radeon agp] add blacklist for thinkpad T40p

[Alex Deucher]

On Sat, Nov 28, 2015 at 4:01 PM, Pavel Machek <pavel at ucw.cz> wrote:
>
> Thinkpad T40p needs agpmode 1.
>
> Signed-off-by: Pavel Machek <pavel at ucw.cz>

Seems odd that this wouldn't have been found earlier given how popular
thinkpads are.  Applied.  Thanks,

Alex

>
> diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
> index fe994aa..c77d349 100644
> --- a/drivers/gpu/drm/radeon/radeon_agp.c
> +++ b/drivers/gpu/drm/radeon/radeon_agp.c
> @@ -54,6 +54,9 @@ static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = {
>         /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */
>         { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50,
>                 PCI_VENDOR_ID_IBM, 0x0550, 1},
> +       /* Intel 82855PM host bridge / RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] needs AGPMode 1 (Thinkpad T40p) */
> +       { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
> +               PCI_VENDOR_ID_IBM, 0x054d, 1},
>         /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */
>         { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57,
>                 PCI_VENDOR_ID_IBM, 0x0530, 1},
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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