From b9fd11b86779b1fe7fe2881c6e312a028e20e67c Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 7 Jul 2014 10:28:39 +1000 Subject: cirrus: Force use of shadow pixmap when HW cursor is enabled The HW cursor cannot be painted on a shared surface. This fixes HW cursor display in Windows NT 4.0 and Windows 98. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Gerd Hoffmann --- hw/display/cirrus_vga.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'hw/display/cirrus_vga.c') diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c index 27252646bc..686b06205c 100644 --- a/hw/display/cirrus_vga.c +++ b/hw/display/cirrus_vga.c @@ -1351,7 +1351,6 @@ static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val) case 0x0d: // VCLK 2 case 0x0e: // VCLK 3 case 0x0f: // DRAM Control - case 0x12: // Graphics Cursor Attribute case 0x13: // Graphics Cursor Pattern Address case 0x14: // Scratch Register 2 case 0x15: // Scratch Register 3 @@ -1370,6 +1369,14 @@ static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val) s->vga.sr_index, val); #endif break; + case 0x12: // Graphics Cursor Attribute + s->vga.sr[0x12] = val; + s->vga.force_shadow = !!(val & CIRRUS_CURSOR_SHOW); +#ifdef DEBUG_CIRRUS + printf("cirrus: cursor ctl SR12=%02x (force shadow: %d)\n", + val, s->vga.force_shadow); +#endif + break; case 0x17: // Configuration Readback and Extended Control s->vga.sr[s->vga.sr_index] = (s->vga.sr[s->vga.sr_index] & 0x38) | (val & 0xc7); -- cgit v1.2.3-55-g7522