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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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7
hw/display/macfb.c
View file

@ -316,7 +316,8 @@ static uint32_t macfb_sense_read(MacfbState *s)
MacFbSense *macfb_sense;
uint8_t sense;
macfb_sense = &macfb_sense_table[MACFB_DISPLAY_VGA];
assert(s->type < ARRAY_SIZE(macfb_sense_table));
macfb_sense = &macfb_sense_table[s->type];
if (macfb_sense->sense == 0x7) {
/* Extended sense */
sense = 0;
@ -544,6 +545,8 @@ static Property macfb_sysbus_properties[] = {
DEFINE_PROP_UINT32("width", MacfbSysBusState, macfb.width, 640),
DEFINE_PROP_UINT32("height", MacfbSysBusState, macfb.height, 480),
DEFINE_PROP_UINT8("depth", MacfbSysBusState, macfb.depth, 8),
DEFINE_PROP_UINT8("display", MacfbSysBusState, macfb.type,
MACFB_DISPLAY_VGA),
DEFINE_PROP_END_OF_LIST(),
};
@ -551,6 +554,8 @@ static Property macfb_nubus_properties[] = {
DEFINE_PROP_UINT32("width", MacfbNubusState, macfb.width, 640),
DEFINE_PROP_UINT32("height", MacfbNubusState, macfb.height, 480),
DEFINE_PROP_UINT8("depth", MacfbNubusState, macfb.depth, 8),
DEFINE_PROP_UINT8("display", MacfbNubusState, macfb.type,
MACFB_DISPLAY_VGA),
DEFINE_PROP_END_OF_LIST(),
};