Comment # 64
on bug 78453
from Luzipher
Created attachment 99813 [details] dmesg of eglgears_screen with drm-fixes 3.15-rc6 and agd5f's use-old-hdp-flush patch (In reply to comment #58) > Created attachment 99594 [details] [review] [review] > use old hdp flush > > Does this kernel patch help? I don't know if this info helps, but anyway: With current stuff (llvm, glamor, mesa from git) and airlied's current drm-fixes (commit 77c01bef72a5ce5cb24adae6066ed81a52004d30) with your old-hdp-flush patch and the patch from bug 74250, I get: * eglinfo works multiple times in a row * egltri_screen from mesa-demos works, outputs a coloured triangle on grey background for 5s (with 3 monitors attached) * eglgears_screen garbles the screen, but it only stalls the gpu once or twice (dmesg attached) and then returns to console * and I can repeatedly run egltri_screen even after eglgears_screen ran So for me it seems like quite an improvement. I'd like to help further if possible, but I don't have any experience with gdb unfortunately. If I can do anything else or if there are some detailed instructions on what to do, just tell me and I'll try to find some time.
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