| Bug ID | 104266 |
|---|---|
| Summary | [polaris10][arm] blurred screen on AMD Radeon Pro WX 7100 |
| Product | Mesa |
| Version | 17.2 |
| Hardware | ARM |
| OS | All |
| Status | NEW |
| Severity | major |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | vedran@miletic.net |
| QA Contact | dri-devel@lists.freedesktop.org |
Created attachment 136175 [details] Photo >From ML Mesa-dev: https://lists.freedesktop.org/archives/mesa-dev/2017-December/179186.html https://lists.freedesktop.org/archives/mesa-dev/2017-December/179426.html https://lists.freedesktop.org/archives/mesa-dev/2017-December/180001.html Hi, We met a problem on ubuntu17.10 for arm server with amdgpu (AMD RADEON PRO WX 7100), we use open source driver which are integrated in ubuntu17.10 (Mesa 17.2.2). And the architecture is AArch64-linux-gnu. we install: apt-get install xserver-xorg xinit xfce4 and mesa-utils glmark2 we start x server: startx and then the monitor shows the screen and the screen is blurred (something wrong). And I have tried some opengl applications, the output has same problem.(something is missing or in the wrong place.) But in a x86_64 architecture server, with same OS. The screen output is normal. (I check xorg\DDX\mesa\libdrm etc.all the versions are the same with aarch64 server.) What I have done: 1. I upgrade kernel to 4.15-rc2 ,upgrade DRM to 3.23,upgrade DDX to 1.40,upgrade mesa to 17.2.6, but the problem still exist. 2. I enable ‘shadowprimary’ option, the screen output became normal, but the performance drop quickly——glxgears drop from 4800fps to 600fps, glmark drop from 4300 score to 730 score. (We solve the glxgears segmentation fault problem by add the compile flags: -fsigned-char. In arm platform, char variant default to "unsigned-char", that makes problem of glxgears segmentation fault. But after we recompile mesa with -fsigned-char. The screen output still tearing(blurred). the display problem still exist.)
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