diff options
Diffstat (limited to 'parse-base-block.cpp')
| -rw-r--r-- | parse-base-block.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/parse-base-block.cpp b/parse-base-block.cpp index f842264..bd5ad37 100644 --- a/parse-base-block.cpp +++ b/parse-base-block.cpp @@ -982,6 +982,19 @@ void edid_state::detailed_display_range_limits(const unsigned char *x) range_class.c_str(), x[5] + v_min_offset, x[6] + v_max_offset, x[7] + h_min_offset, x[8] + h_max_offset); + + // For EDID 1.3 the horizontal frequency maxes out at 255 kHz. + // So to avoid false range-check warnings due to this limitation, + // just double the max_display_hor_freq_hz in this case. + if (edid_minor < 4 && x[8] == 0xff) + max_display_hor_freq_hz *= 2; + + // For EDID 1.3 the vertical frequency maxes out at 255 Hz. + // So to avoid false range-check warnings due to this limitation, + // just double the max_display_vert_freq_hz in this case. + if (edid_minor < 4 && x[6] == 0xff) + max_display_vert_freq_hz *= 2; + if (x[9]) { max_display_pixclk_khz = x[9] * 10000; printf(", max dotclock %d MHz\n", x[9] * 10); |