| Bug ID | 107482 |
|---|---|
| Summary | Images gamma rendering issue |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | esebaro@gmail.com |
Created attachment 140962 [details]
images gamma
I have a PC with:
MB: Asrock AM1B-ITX
CPU: AMD Kabini Athlon 5350 APU
iGPU: Radeon HD 8400 / R3 Series
Displays: DVI Asus, HDMI Samsung
kernel-4.15/4.16/4.17
xorg-server-1.19.5
xorg-drivers-1.19
xf86-video-amdgpu-18.0.1
xf86-video-ati-18.0.1
libdrm-2.4.92
When I increase the gamma to check the quality of images (xgamma -gamma 3),
some pixels are darker/colorful, it seems like gamma is not applied uniformly
for all pixels. This happens on all kernels with any video driver: radeon,
amdgpu, amdgpu-dc.
I thought there's something wrong with the images so I've edited them on Gimp
by increasing brightness or change hue/saturation. This was fine until the
kernel 4.17 and the amdgpu-dc driver upgrade, images have again the issue. They
are fine with amdgpu.
Is there something I can do about this?
Thanks.
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