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macfb: add qdev property to specify display type

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Since the available resolutions and colour depths are determined by the attached
display type, add a qdev property to allow the display type to be specified.

The main resolutions of interest are high resolution 1152x870 with 8-bit colour
and SVGA resolution up to 800x600 with 24-bit colour so update the q800 machine
to allow high resolution mode if specified and otherwise fall back to SVGA.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20211007221253.29024-9-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2021-10-07 23:12:48 +01:00 • committed by Laurent Vivier
parent e6108b9636
commit 4317c51861
3 changed files with 12 additions and 1 deletions
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5
hw/m68k/q800.c
View file

@ -421,6 +421,11 @@ static void q800_init(MachineState *machine)
qdev_prop_set_uint32(dev, "width", graphic_width);
qdev_prop_set_uint32(dev, "height", graphic_height);
qdev_prop_set_uint8(dev, "depth", graphic_depth);
if (graphic_width == 1152 && graphic_height == 870 && graphic_depth == 8) {
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_APPLE_21_COLOR);
} else {
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_VGA);
}
qdev_realize_and_unref(dev, BUS(nubus), &error_fatal);
cs = CPU(cpu);