I captured drm_info output with HDR disabled and enabled. With HDR disabled, the external display reports:
Colorspace = Default HDR_OUTPUT_METADATA = 0 With HDR enabled, it changes to: Colorspace = BT2020_RGB EOTF = SMPTE ST 2084 (PQ) However, all HDR static metadata values are zero: Display primaries: all (0.0000, 0.0000) White point: (0.0000, 0.0000) Max display mastering luminance: 0 cd/m² Min display mastering luminance: 0 cd/m² MaxCLL: 0 cd/m² MaxFALL: 0 cd/m² So HDR mode itself appears to be enabled correctly, but the HDR_OUTPUT_METADATA content looks invalid or incomplete. I have attached both drm_info outputs: - drminfo.txt (HDR off) - drminfo_hdr.txt (HDR on) ** Attachment added: "drminfo_hdr.txt" https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2169105/+attachment/6015645/+files/drminfo_hdr.txt -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2169105 Title: HDR output is washed out on AMD Radeon 680M while NVIDIA works correctly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2169105/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
