On Fri, 10 Jun 2005, 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?
Following patch should fix this at the cost of some speed...
I just committed the following patch to r300_reg.h:
===================================================================
RCS file: /cvsroot/r300/r300_driver/r300/r300_reg.h,v
retrieving revision 1.41
diff -u -r1.41 r300_reg.h
--- r300_reg.h 8 Jun 2005 15:05:24 -0000 1.41
+++ r300_reg.h 10 Jun 2005 16:09:22 -0000
@@ -1,6 +1,27 @@
#ifndef _R300_REG_H
#define _R300_REG_H
+#define R300_MC_INIT_MISC_LAT_TIMER 0x180
+# define R300_MC_MISC__MC_CPR_INIT_LAT_SHIFT 0
+# define R300_MC_MISC__MC_VF_INIT_LAT_SHIFT 4
+# define R300_MC_MISC__MC_DISP0R_INIT_LAT_SHIFT 8
+# define R300_MC_MISC__MC_DISP1R_INIT_LAT_SHIFT 12
+# define R300_MC_MISC__MC_FIXED_INIT_LAT_SHIFT 16
+# define R300_MC_MISC__MC_E2R_INIT_LAT_SHIFT 20
+# define R300_MC_MISC__MC_SAME_PAGE_PRIO_SHIFT 24
+# define R300_MC_MISC__MC_GLOBW_INIT_LAT_SHIFT 24
+
+
+#define R300_MC_INIT_GFX_LAT_TIMER 0x154
+# define R300_MC_MISC__MC_G3D0R_INIT_LAT_SHIFT 0
+# define R300_MC_MISC__MC_G3D1R_INIT_LAT_SHIFT 4
+# define R300_MC_MISC__MC_G3D2R_INIT_LAT_SHIFT 8
+# define R300_MC_MISC__MC_G3D3R_INIT_LAT_SHIFT 12
+# define R300_MC_MISC__MC_TX0R_INIT_LAT_SHIFT 16
+# define R300_MC_MISC__MC_TX1R_INIT_LAT_SHIFT 20
+# define R300_MC_MISC__MC_GLOBR_INIT_LAT_SHIFT 24
+# define R300_MC_MISC__MC_GLOBW_FULL_LAT_SHIFT 0
+
LAT stands for latency, MC for memory controller.
best
Vladimir Dergachev
--- 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);
--
Aapo Tahkola
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