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display: Add 'retina' flag to display_parse_mode

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Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2022-05-28 12:26:16 +02:00 committed by Hector Martin
parent 7f4347ebe8
commit 8147c2d374
3 changed files with 18 additions and 5 deletions
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18
src/display.c
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@ -199,7 +199,11 @@ static int display_start_dcp(void)
return 0;
}
int display_parse_mode(const char *config, dcp_timing_mode_t *mode)
struct display_options {
bool retina;
};
int display_parse_mode(const char *config, dcp_timing_mode_t *mode, struct display_options *opts)
{
memset(mode, 0, sizeof(*mode));
@ -226,6 +230,13 @@ int display_parse_mode(const char *config, dcp_timing_mode_t *mode)
}
}
const char *option = config;
while (option && opts) {
if (!strncmp(option + 1, "retina", 6))
opts->retina = true;
option = strchr(option + 1, ',');
}
printf("display: want mode: valid=%d %dx%d %d.%02d Hz\n", mode->valid, mode->width,
mode->height, mode->fps >> 16, ((mode->fps & 0xffff) * 100 + 0x7fff) >> 16);
@ -274,8 +285,9 @@ static int display_swap(u64 iova, u32 stride, u32 width, u32 height)
int display_configure(const char *config)
{
dcp_timing_mode_t want;
struct display_options opts = {0};
display_parse_mode(config, &want);
display_parse_mode(config, &want, &opts);
int ret = display_start_dcp();
if (ret < 0)
@ -422,7 +434,7 @@ int display_configure(const char *config)
cur_boot_args.video.stride = stride;
cur_boot_args.video.width = tbest.width;
cur_boot_args.video.height = tbest.height;
cur_boot_args.video.depth = 30;
cur_boot_args.video.depth = 30 | (opts.retina ? FB_DEPTH_FLAG_RETINA : 0);
fb_reinit();
}

3
src/fb.c
View file

@ -10,8 +10,7 @@
#include "utils.h"
#include "xnuboot.h"
#define FB_DEPTH_FLAG_RETINA 0x10000
#define FB_DEPTH_MASK 0xff
#define FB_DEPTH_MASK 0xff
fb_t fb;

2
src/fb.h
View file

@ -5,6 +5,8 @@
#include "types.h"
#define FB_DEPTH_FLAG_RETINA 0x10000
typedef struct {
u32 *ptr; /* pointer to the start of the framebuffer */
u32 *hwptr; /* pointer to the start of the real framebuffer */