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Handle if EDID returns resolution of 0 and update binary image

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mintsuki 2020-04-16 14:53:33 +02:00
parent 0a3f00f6e2
commit 7ae6781282
2 changed files with 14 additions and 12 deletions
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qloader2.bin
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26
src/drivers/vbe.c
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@ -120,18 +120,20 @@ int init_vbe(uint64_t *framebuffer, uint16_t *pitch, uint16_t *target_width, uin
struct edid_info_struct edid_info;
if (!*target_width || !*target_height || !*target_bpp) {
*target_bpp = 32;
if (get_edid_info(&edid_info)) {
print("vbe: EDID unavailable, defaulting to 1024x768\n");
*target_width = 1024;
*target_height = 768;
} else {
*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);
*target_width = 1024;
*target_height = 768;
*target_bpp = 32;
if (!get_edid_info(&edid_info)) {
int edid_width = (int)edid_info.det_timing_desc1[2];
edid_width += ((int)edid_info.det_timing_desc1[4] & 0xf0) << 4;
int edid_height = (int)edid_info.det_timing_desc1[5];
edid_height += ((int)edid_info.det_timing_desc1[7] & 0xf0) << 4;
if (edid_width && edid_height) {
*target_width = edid_width;
*target_height = edid_height;
print("vbe: EDID detected screen resolution of %ux%u\n",
*target_width, *target_height);
}
}
} else {
print("vbe: Requested resolution of %ux%ux%u\n",