Commit ace89b8f authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Gerd Hoffmann
Browse files

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: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 70a041fe

hw/display/vga.c

+2 −4
Original line number Diff line number Diff line
@@ -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;