sun4i/drm: Plane roll test (SUNXI BUG 3) #3
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Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
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Please report it upstream. |
rsglobal
changed the title
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I post my own version since it most elegant from all available at the moment and can explain the root cause. PTAL Successfully tested on OPI3 and PinePhone. |
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This bus is present in mainline kernel, but fixed it @Megous downstream fork:
Fail (Slowmo, Mainline as of 22 MAY 2022):
https://user-images.githubusercontent.com/36298915/169776755-e888b5e2-4a3a-4ba4-8207-78f6fbf295ea.mp4
Pass (Slowmo, Megous 5.15):
https://user-images.githubusercontent.com/36298915/169776767-2aaa83b8-c6ec-4f72-a0b6-ed3e29a3d0b7.mp4