Dynamic clock cause hard lockup on Radeon 7000 + SMP
Alex Deucher
alexdeucher at gmail.com
Sat Nov 27 12:29:00 PST 2004
On Sat, 27 Nov 2004 09:30:31 +1100, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Wed, 2004-11-24 at 20:38 -0500, Alex Deucher wrote:
>
> >
> > See if this works for you (also added to bugzilla).
>
> Can you inline patches so they can be quoted ? :)
Sorry will do. I wasn't sure how gmail dealt with attachments.
>
> + /* some non-mobility VE chips seem to have problems with the method of
> + * forcing everything on as per below; thus we revert to the old
> + * forceON behavior
> + */
> + if ((info->ChipFamily == CHIP_FAMILY_RV100) && (!info->IsMobility)) {
> + if (info->HasCRTC2) {
> + tmp = INPLL(pScrn, RADEON_SCLK_CNTL);
> + OUTPLL(RADEON_SCLK_CNTL, ((tmp & ~RADEON_DYN_STOP_LAT_MASK) |
> + RADEON_CP_MAX_DYN_STOP_LAT |
> + RADEON_SCLK_FORCEON_MASK));
> +
> + if (info->ChipFamily == CHIP_FAMILY_RV200) {
>
> This if if() cannot be reached...
Whoops. I just cut and pasted the old forceON code from
radeon_accel.c. That RV200 section should be removed. I'll try and
come up with a cleaned up patch later this weekend.
Alex
>
> + tmp = INPLL(pScrn, RADEON_SCLK_MORE_CNTL);
> + OUTPLL(RADEON_SCLK_MORE_CNTL, tmp
> + | RADEON_SCLK_MORE_FORCEON);
> + }
> + }
>
> .../...
>
>
More information about the xorg
mailing list