diff options
Diffstat (limited to 'hw/xfree86/ddc/interpret_edid.c')
| -rw-r--r-- | hw/xfree86/ddc/interpret_edid.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/hw/xfree86/ddc/interpret_edid.c b/hw/xfree86/ddc/interpret_edid.c index 17a8f81c0..19630471c 100644 --- a/hw/xfree86/ddc/interpret_edid.c +++ b/hw/xfree86/ddc/interpret_edid.c @@ -672,6 +672,9 @@ get_monitor_ranges(Uchar * c, struct monitor_ranges *r) r->max_clock = 0; if (MAX_CLOCK != 0xff) /* is specified? */ r->max_clock = MAX_CLOCK * 10 + 5; + + r->display_range_timing_flags = c[10]; + if (HAVE_2ND_GTF) { r->gtf_2nd_f = F_2ND_GTF; r->gtf_2nd_c = C_2ND_GTF; @@ -751,6 +754,30 @@ validate_version(int scrnIndex, struct edid_version *r) return TRUE; } +Bool +gtf_supported(xf86MonPtr mon) +{ + int i; + + if (!mon) + return FALSE; + + if ((mon->ver.version == 1) && (mon->ver.revision < 4)) { + if (mon->features.msc & 0x1) + return TRUE; + } else { + for (i = 0; i < DET_TIMINGS; i++) { + struct detailed_monitor_section *det_timing_des = &(mon->det_mon[i]); + if (det_timing_des && (det_timing_des->type == DS_RANGES) && + (det_timing_des->section.ranges.display_range_timing_flags == DR_DEFAULT_GTF + || det_timing_des->section.ranges.display_range_timing_flags == DR_SECONDARY_GTF)) + return TRUE; + } + } + + return FALSE; +} + /* * Returns true if HDMI, false if definitely not or unknown. */ |