Hi all,
the S3VWriteMode() function in the S3 ViRGE has a problem: it calls
vgaHWRestore() which might change from color to mono mode, and hence
changes the address of the CR register. I need the following patch for the
code to work.
cu Jo
Index: s3v_driver.c
===================================================================
RCS file: /cvs/xc/programs/Xserver/hw/xfree86/drivers/s3virge/s3v_driver.c,v
retrieving revision 1.94
diff -u -r1.94 s3v_driver.c
--- s3v_driver.c 13 Feb 2004 23:58:43 -0000 1.94
+++ s3v_driver.c 23 Apr 2004 16:03:05 -0000
@@ -2290,6 +2290,12 @@
/* Mode only for non-primary? */
else
vgaHWRestore(pScrn, vgaSavePtr, VGA_SR_MODE);
+
+ /* vgaHWRestore might change IOBase between color and mono */
+ vgaIOBase = hwp->IOBase;
+ vgaCRIndex = vgaIOBase + 4;
+ vgaCRReg = vgaCRIndex + 1;
+
/* moved from before vgaHWRestore, to prevent segfault? */
VGAOUT8(vgaCRIndex, 0x66);
VGAOUT8(vgaCRReg, cr66);
--
La perfection est atteinte non quand il ne reste rien à ajouter, mais quand
il ne reste rien à enlever. (Antoine de Saint-Exupéry)
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