diff options
Diffstat (limited to 'src/lib/edid.c')
| -rw-r--r-- | src/lib/edid.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/lib/edid.c b/src/lib/edid.c index 6efe6a95ba..c8e3203341 100644 --- a/src/lib/edid.c +++ b/src/lib/edid.c @@ -1272,12 +1272,22 @@ int decode_edid(unsigned char *edid, int size, struct edid *out) if (nonconformant_digital_display || !has_valid_string_termination || !has_valid_descriptor_pad || - !has_name_descriptor || - !has_preferred_timing || - !has_range_descriptor) + !has_preferred_timing) { conformant = 0; + } + /** + * According to E-EDID (EDIDv1.3), has_name_descriptor and + * has_range_descriptor are both required. These fields are + * optional in v1.4. However some v1.3 panels (Ex, B133XTN01.3) + * don't have them. As a workaround, we only print warning + * messages. + */ if (!conformant) printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.3!\n"); + else if (!has_name_descriptor || !has_range_descriptor) + printk(BIOS_WARNING, "WARNING: EDID block does NOT " + "fully conform to EDID 1.3.\n"); + if (nonconformant_digital_display) printk(BIOS_ERR, "\tDigital display field contains garbage: %x\n", nonconformant_digital_display); |