diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-06-22 18:28:05 +1000 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-09-30 13:34:09 +0200 |
| commit | ace89b8ff21cc3fb20986a334e54e6e6a1ccf729 (patch) | |
| tree | d320d6eaea2f487c1145d5b03eda317e7a49abc2 /hw | |
| parent | 70a041fe2cc26b7a58c17e26f797fbc2c90c535a (diff) | |
vga: Remove some "should be done in BIOS" comments
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>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/display/vga.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/hw/display/vga.c b/hw/display/vga.c index c3df0c59c3..21aa2c670b 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -761,14 +761,13 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) s->vbe_regs[VBE_DISPI_INDEX_ENABLE] |= VBE_DISPI_ENABLED; vbe_fixup_regs(s); - /* 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; @@ -801,7 +800,6 @@ 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; |