| Bug ID | 112148 |
|---|---|
| Summary | Broken colors on RX 5700 with adjusted brightness |
| Product | DRI |
| Version | XOrg git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | not set |
| Priority | not set |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | mlichvar@redhat.com |
I have an RX 5700 card connected to a monitor which doesn't display dark colors very well. The brightness needs to be adjusted in software. I use the xcalib tool like this: xcalib -c xcalib -a -b 10 -co 90 This displays dark colors well, but some images/videos have weird artifacts. After playing with a color picker it looks like colors that have the green component zero are much brighter than they should be. For example, color #750000 is much brighter than #750100. I'll attach some images that show the problem. When the monitor is connected to a different computer (with a non-AMD GPU) configured with the same xcalib commands, the problem disappears, so it seems to be specific to the hardware/driver. Please let me know if you need more information. Installed packages: kernel-5.3.6-300.fc31.x86_64 xorg-x11-server-Xorg-1.20.5-7.fc31.x86_64 xorg-x11-drv-amdgpu-19.1.0-1.fc31.x86_64 mesa-dri-drivers-19.2.0-1.fc31.x86_64 xcalib-0.8-24.fc31.x86_64
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