diff options
| -rw-r--r-- | edid-decode.h | 1 | ||||
| -rw-r--r-- | parse-displayid-block.cpp | 44 |
2 files changed, 45 insertions, 0 deletions
diff --git a/edid-decode.h b/edid-decode.h index 612d22a..aef2bab 100644 --- a/edid-decode.h +++ b/edid-decode.h @@ -387,6 +387,7 @@ struct edid_state { void parse_displayid_type_9_timing(const unsigned char *x); void parse_displayid_dynamic_video_timings_range_limits(const unsigned char *x); void parse_displayid_ContainerID(const unsigned char *x); + void parse_displayid_adaptive_sync(const unsigned char *x); void parse_displayid_type_10_timing(const unsigned char *x, unsigned sz, bool is_cta = false); void preparse_displayid_block(const unsigned char *x); diff --git a/parse-displayid-block.cpp b/parse-displayid-block.cpp index 5c81294..e4c3bff 100644 --- a/parse-displayid-block.cpp +++ b/parse-displayid-block.cpp @@ -1368,6 +1368,48 @@ void edid_state::parse_displayid_ContainerID(const unsigned char *x) } } +// tag 0x2b + +void edid_state::parse_displayid_adaptive_sync(const unsigned char *x) +{ + check_displayid_datablock_revision(x[1], 0x70); + + unsigned size = 6 + ((x[1] >> 4) & 0x7); + unsigned len = x[2]; + unsigned descriptor = 1; + + x += 3; + if (len % size) + fail("DisplayID payload length %u is not a multiple of %u.\n", len, size); + while (len >= size) { + printf(" Descriptor #%u:\n", descriptor++); + + printf(" %sNative Panel Range\n", (x[0] & 1) ? "" : "Non-"); + unsigned v = (x[0] >> 2) & 3; + switch (v) { + case 0: printf(" Fixed Average V-Total\n"); break; + case 1: printf(" Fixed Average V-Total and Adaptive V-Total\n"); break; + default: + printf(" Reserved %u\n", v); + fail("Use of reserved value %u.\n", v); + break; + } + if (x[0] & 0x10) + printf(" Supports Seamless Transition\n"); + if (x[0] & 0x02) + printf(" 'Max Single Frame Duration Increase' field value without jitter impact\n"); + if (x[0] & 0x20) + printf(" 'Max Single Frame Duration Decrease' field value without jitter impact\n"); + printf(" Max Duration Increase: %.2f ms\n", x[1] / 4.0); + printf(" Max Duration Decrease: %.2f ms\n", x[5] / 4.0); + printf(" Min Refresh Rate: %u Hz\n", x[2]); + printf(" Max Refresh Rate: %u Hz\n", 1 + x[3] + (x[4] & 3) * 256); + + len -= size; + x += size; + } +} + // tag 0x32 void edid_state::parse_displayid_type_10_timing(const unsigned char *x, @@ -1687,6 +1729,7 @@ void edid_state::parse_displayid_block(const unsigned char *x) case 0x27: data_block = "Stereo Display Interface Data Block (" + utohex(tag) + ")"; break; case 0x28: data_block = "Tiled Display Topology Data Block (" + utohex(tag) + ")"; break; case 0x29: data_block = "ContainerID Data Block"; break; + case 0x2b: data_block = "Adaptive Sync Data Block"; break; case 0x32: data_block = "Video Timing Modes Type 10 - Formula-based Timings Data Block"; break; // 0x2a .. 0x7d RESERVED for Additional VESA-defined Data Blocks case 0x7e: // DisplayID 2.0 @@ -1862,6 +1905,7 @@ void edid_state::parse_displayid_block(const unsigned char *x) case 0x27: parse_displayid_stereo_display_intf(x + offset); break; case 0x28: parse_displayid_tiled_display_topology(x + offset, true); break; case 0x29: parse_displayid_ContainerID(x + offset); break; + case 0x2b: parse_displayid_adaptive_sync(x + offset); break; case 0x32: { unsigned sz = 6 + ((x[offset + 1] & 0x70) >> 4); |