@@ -695,14 +695,13 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3);
s->vbe_start_addr = 0;
- /* clear the screen (should be done in BIOS) */
+ /* clear the screen */
if (!(val & VBE_DISPI_NOCLEARMEM)) {
memset(s->vram_ptr, 0,
s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset);
}
- /* we initialize the VGA graphic mode (should be done
- in BIOS) */
+ /* we initialize the VGA graphic mode */
/* graphic mode + memory map 1 */
s->gr[VGA_GFX_MISC] = (s->gr[VGA_GFX_MISC] & ~0x0c) | 0x04 |
VGA_GR06_GRAPHICS_MODE;
@@ -735,7 +734,6 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
(shift_control << 5);
s->cr[VGA_CRTC_MAX_SCAN] &= ~0x9f; /* no double scan */
} else {
- /* XXX: the bios should do that */
s->bank_offset = 0;
}
s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
Not all platforms have a VGA BIOS, powerpc typically relies on using the DISPI interface to initialize the card. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- hw/display/vga.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)