Aapo Tahkola wrote:
Someone, I believe it was Aapo, said that they see white lines across the
screen when the framerate is fairly high. I didn't see this up until yesterday
when I had to change from my 9600pro to a 9600XT (I killed the card moving
it between machines somehow).
Are you using SiS based motherboard by any chance?
Nope, I'm using an nforce3 based board (Gigabyte GA-K8NS Ultra-939)
Following patch should fix this at the cost of some speed...
This does indeed seem to correct the problem, and I don't notice a loss
of speed.
glxgears rose by about 20fps, and quake3 by 5-10 fps.. I updated xorg
in the
process of applying the patch, so it could be something from there.
What exactly does the patch do? Or is it some magic we don't about yet?
Thanks!
Ben.
--- radeon_driver.c.orig Fri Jun 10 05:24:35 2005
+++ radeon_driver.c Fri Jun 10 05:46:14 2005
@@ -5631,6 +5631,11 @@
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);
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