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authorBALATON Zoltan2019-08-11 23:14:53 +0200
committerGerd Hoffmann2019-08-21 10:56:27 +0200
commit747d7ad231a0955991e179deb482ce94376f1e17 (patch)
treed318977298df2fbe96208c4f4727b9d8be97305c /hw/display/ati.c
parentati-vga: Fix cursor color with guest_hwcursor=true (diff)
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ati-vga: Fix hardware cursor image offset
The crtc_offset is not needed, cur_offset is relative to the start of vram not the start of displayed area. This fixes broken pointer image with MacOS that uses non-0 crtc_offset. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: e6acb1fa3ca980dc948045443e5986e2aa79bf7c.1565558093.git.balaton@eik.bme.hu Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display/ati.c')
-rw-r--r--hw/display/ati.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/hw/display/ati.c b/hw/display/ati.c
index d372e346ff..ff04f7eb4a 100644
--- a/hw/display/ati.c
+++ b/hw/display/ati.c
@@ -132,9 +132,8 @@ static void ati_cursor_define(ATIVGAState *s)
return; /* Do not update cursor if locked or rendered by guest */
}
/* FIXME handle cur_hv_offs correctly */
- src = s->vga.vram_ptr + (s->regs.crtc_offset & 0x07ffffff) +
- s->regs.cur_offset - (s->regs.cur_hv_offs >> 16) -
- (s->regs.cur_hv_offs & 0xffff) * 16;
+ src = s->vga.vram_ptr + s->regs.cur_offset -
+ (s->regs.cur_hv_offs >> 16) - (s->regs.cur_hv_offs & 0xffff) * 16;
for (i = 0; i < 64; i++) {
for (j = 0; j < 8; j++, idx++) {
data[idx] = src[i * 16 + j];
@@ -190,8 +189,7 @@ static void ati_cursor_draw_line(VGACommonState *vga, uint8_t *d, int scr_y)
return;
}
/* FIXME handle cur_hv_offs correctly */
- src = s->vga.vram_ptr + (s->regs.crtc_offset & 0x07ffffff) +
- s->cursor_offset + (scr_y - vga->hw_cursor_y) * 16;
+ src = s->vga.vram_ptr + s->cursor_offset + (scr_y - vga->hw_cursor_y) * 16;
dp = &dp[vga->hw_cursor_x];
h = ((s->regs.crtc_h_total_disp >> 16) + 1) * 8;
for (i = 0; i < 8; i++) {