Fixes Sun bug 6526933: Matrox MGA chip (embedded in ServerEngines "Pilot" BSC)

does not work with vesa driver

diff --git a/src/vesa.c b/src/vesa.c

index 23d9e14..709d791 100644

--- a/src/vesa.c

+++ b/src/vesa.c

@@ -1488,19 +1488,19 @@ SaveFonts(ScrnInfoPtr pScrn)

WriteGr(0x06, 0x05); /* set graphics */

slowbcopy_frombus(pVesa->VGAbase, pVesa->fonts + 8192, 8192);

- scrn = ReadSeq(pVesa, 0x01) & ~0x20;

- SeqReset(pVesa, TRUE);

- WriteSeq(0x01, scrn);

- SeqReset(pVesa, FALSE);

-

/* Restore clobbered registers */

WriteAttr(pVesa, 0x10, attr10);

- WriteSeq(0x02, seq2);

- WriteSeq(0x04, seq4);

WriteGr(0x04, gr4);

WriteGr(0x05, gr5);

WriteGr(0x06, gr6);

+ WriteSeq(0x02, seq2);

+ WriteSeq(0x04, seq4);

WriteMiscOut(miscOut);

+

+ scrn = ReadSeq(pVesa, 0x01) & ~0x20;

+ SeqReset(pVesa, TRUE);

+ WriteSeq(0x01, scrn);

+ SeqReset(pVesa, FALSE);

}

static void

@@ -1557,11 +1557,6 @@ RestoreFonts(ScrnInfoPtr pScrn)

WriteGr(0x06, 0x05); /* set graphics */

slowbcopy_tobus(pVesa->fonts + 8192, pVesa->VGAbase, 8192);

- scrn = ReadSeq(pVesa, 0x01) & ~0x20;

- SeqReset(pVesa, TRUE);

- WriteSeq(0x01, scrn);

- SeqReset(pVesa, FALSE);

-

/* restore the registers that were changed */

WriteMiscOut(miscOut);

WriteAttr(pVesa, 0x10, attr10);

@@ -1573,6 +1568,11 @@ RestoreFonts(ScrnInfoPtr pScrn)

WriteGr(0x08, gr8);

WriteSeq(0x02, seq2);

WriteSeq(0x04, seq4);

+

+ scrn = ReadSeq(pVesa, 0x01) & ~0x20;

+ SeqReset(pVesa, TRUE);

+ WriteSeq(0x01, scrn);

+ SeqReset(pVesa, FALSE);

}

static Bool