After upgraded to latest mesa, this issue is fixed. Now it works fine on
5.10.0-oem or 5.13.0-oem kernel. Thanks!
$ DRI_PRIME=1 glxgears -info
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
GL_RENDERER = Mesa Intel(R) Graphics (RKL GT1)
GL_VERSION = 4.6 (Compatibility Profile) Mesa 21.0.3
GL_VENDOR = Intel
GL_EXTENSIONS = GL_ARB_multisample ...
VisualID 1337, 0x539
305 frames in 5.0 seconds = 60.916 FPS
300 frames in 5.0 seconds = 59.999 FPS
300 frames in 5.0 seconds = 59.986 FPS
$ glxgears -info
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
GL_RENDERER = AMD Radeon (TM) Pro WX 3200 Series (POLARIS12, DRM 3.40.0,
5.10.0-1038-oem, LLVM 12.0.0)
GL_VERSION = 4.6 (Compatibility Profile) Mesa 21.0.3
GL_VENDOR = AMD
GL_EXTENSIONS = GL_ARB_multisample ...
VisualID 1337, 0x539
350 frames in 5.0 seconds = 69.915 FPS
300 frames in 5.0 seconds = 59.959 FPS
300 frames in 5.0 seconds = 59.979 FPS
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
** Changed in: oem-priority
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1937988
Title:
The image is distorted while use iGPU rendering and output via AMD GPU
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