[coreboot] amd rs780 gfx lane reversal patch

andy brown kaili.andy at gmail.com
Thu Aug 12 07:12:28 CEST 2010


amd rs789 gfx feature Lane reversal is tested.
thanks.

Signed-off-by: Kerry She <kerry.she at amd.com>

On 8/12/10, Bao, Zheng <Zheng.Bao at amd.com> wrote:
> Please add Signed-off-by line in the mail text instead of the
> attachment.
>
>
>
> feature Lane reversal is tested.
>
>
>
> Signed-off-by: Kerry She <kerry.she at amd.com>
>
>
>
>
>
> Index: src/southbridge/amd/rs780/rs780_gfx.c
>
> ===================================================================
>
> --- src/southbridge/amd/rs780/rs780_gfx.c (revision 5690)
>
> +++ src/southbridge/amd/rs780/rs780_gfx.c (working copy)
>
> @@ -1180,7 +1180,9 @@
>
>       case 0:
>
>             /* step 1, lane reversal (only need if CMOS option is
> enabled) */
>
>             if (cfg->gfx_lane_reversal) {
>
> +                 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 <<
> 31);
>
>                   set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2);
>
> +                 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 <<
> 31);
>
>             }
>
>             printk(BIOS_DEBUG, "rs780_gfx_init step1.\n");
>
>
>
> @@ -1196,8 +1198,10 @@
>
>       case 1:
>
>             /* step 1, lane reversal (only need if CMOS option is
> enabled) */
>
>             if (cfg->gfx_lane_reversal) {
>
> +                 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 <<
> 31);
>
>                   set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2);
>
>                   set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3);
>
> +                 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 <<
> 31);
>
>             }
>
>             printk(BIOS_DEBUG, "rs780_gfx_init step1.\n");
>
>             /* step 1.1, dual-slot gfx configuration (only need if CMOS
> option is enabled) */
>
>
>
>
>
>
>
> ________________________________
>
> From: coreboot-bounces at coreboot.org
> [mailto:coreboot-bounces at coreboot.org] On Behalf Of She, Kerry
> Sent: Wednesday, August 11, 2010 11:53 AM
> To: coreboot at coreboot.org
> Subject: [coreboot] amd rs780 gfx lane reversal patch
>
>
>
> Hi, all
>
>
>
> Amd rs780 feature Lane reversal is tested.
>
> Please see the attachment
>
> Thanks
>
>
>
> --
>
> Regards
>
> Kerry She <Kerry.she at amd.com>
>
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: amd_rs780_gfx_lane_reversal.patch
Type: application/octet-stream
Size: 1189 bytes
Desc: not available
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20100812/624d00eb/attachment.obj>


More information about the coreboot mailing list