HDR : green screen

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20250117_154541
20250117_1545411920×864 65.7 KB

On Fedora Kinoite (last update) with AMD GPU, when i activate HDR… :upside_down_face:

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Hmm, here’s what I get using HDR.

Screenshot_20250117_125804
Screenshot_20250117_1258041920×1080 102 KB

I’m using a RX7600 GPU card to a BenQ SW 270C monitor via DP. What are you using?

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ASUS DUAL-RX580-O8G GPU to LG 43UN700-B, HDR is ok on Windows… :face_with_raised_eyebrow:

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Hmm, well that should work. One real shot in the dark here, but the monitor I have detects HDR and switches to HDR mode, maybe that’s happening when you use Windows, but not under Wayland. Is it possible to set the monitor to HDR from the On Screen Display controls?

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This is KMS Colorspace=bt2020 on HDMI causes misinterpreted colors (#3358) · Issues · drm / amd · GitLab

You could try connecting the screen with DisplayPort instead