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Fixed EDID bug

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This commit is contained in:
mintsuki 2020-04-10 18:21:14 +02:00
parent 375bdc6c94
commit 3a4ec45eec
2 changed files with 3 additions and 2 deletions
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qloader2.bin
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5
src/drivers/vbe.c
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@ -98,7 +98,7 @@ static int get_edid_info(struct edid_info_struct *buf) {
r.edi = (uint32_t)buf;
rm_int(0x10, &r, &r);
if ((r.eax & 0x00ff) == 0x4f)
if ((r.eax & 0x00ff) != 0x4f)
return -1;
if ((r.eax & 0xff00) != 0)
return -1;
@ -126,11 +126,12 @@ int init_vbe(uint64_t *framebuffer, uint16_t *pitch, uint16_t *target_width, uin
*target_width = 1024;
*target_height = 768;
} else {
print("vbe: EDID detected screen resolution of %ux%u\n");
*target_width = (int)edid_info.det_timing_desc1[2];
*target_width += ((int)edid_info.det_timing_desc1[4] & 0xf0) << 4;
*target_height = (int)edid_info.det_timing_desc1[5];
*target_height += ((int)edid_info.det_timing_desc1[7] & 0xf0) << 4;
print("vbe: EDID detected screen resolution of %ux%u\n",
*target_width, *target_height);
}
} else {
print("vbe: Requested resolution of %ux%ux%u\n",