On 6/29/03, Rune Petersen <[EMAIL PROTECTED]> wrote:
> Hamish Marson wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hamish Marson wrote:
> >
> >
> >>Just as a status report...
> >>
> >>On my thinkpad r50p which has an rv350 (FireGL-T2) when using the
> >>current CVS xorg, CVS Mesa and the tagged r300 driver
> >>'the_perfect_frag') it all works, 1600fps on glxgears, but the
> >>flickering is awful on OpenGL apps...
> >>
> >>(Current CVS is yesterday for xorg, today for Mesa).
> >>
> >>glxgears - works OK. But flickers. tuxracer - works OK. Reasonable
> >>frame rates. But flickers at about 10Hz. gl-117 - Same. Reasonable
> >>frame rates. But flickers.
> >>
> >>glxgears was in a window. tuxracer and gl-117 were full-screen. I
> >>had to stop before I threw up...
> >>
> >>Suspend & Resume worked OK so far (Only suspended to RAM once
> >>though).
> >>
> >>Hamish.
> >
> >
> > FWIW the same things also happens on the current CVS copy.
> >
> > This is with a 1600x1200 resolution LCD as well, just in case it
> > matters. gl-117 seems to geta round 60fps in the init screens... But I
> > can't see the screen well enough to navigate through (Or access even)
> > any setup screens to try & change anything in it.
> >
> > H
> >
>
> Flickering should be resolved by adding this to radeon_driver.c in the Xorg:
> @@ -5631,6 +5627,11 @@
> if (!info->IsSecondary)
> RADEONChangeSurfaces(pScrn);
>
> + if (info->ChipFamily >= CHIP_FAMILY_R300) {
> + unsigned char *RADEONMMIO = info->MMIO;
> + OUTREG(0x180, INREG(0x180) | 0x1100);
> + }
> +
> if(info->MergedFB) {
> /* need this here to fix up sarea values */
> RADEONAdjustFrameMerged(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
>
>
> Rune Petersen
>
According to the databooks, this is the correct behavior for high res
modes. What it does is bump the display0/1 priorities in the memory
controller. I'll be committing a slighly updated version of this
patch to cvs in the next few days.
Alex
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