https://bugs.freedesktop.org/show_bug.cgi?id=45018 --- Comment #97 from Marek Olšák <maraeo@xxxxxxxxx> 2012-08-03 15:20:12 UTC --- (In reply to comment #96) > Created attachment 65093 [details] [review] > Possible fix. > > It's hard and uneffecient to solve this problem completely in the kernel. > > Since we patch the VM table synchronously, but use it asynchronously we will > always end up needing to wait for a bo use by the GPU to end before patching in > the new VA. > > Please take a look at the attached patch it should fix the issue nicely in > userspace. Please use the radeon_bo_is_busy function. Calling DRM_RADEON_GEM_BUSY directly is not reliable because of the thread offloading of the CS ioctl. The same applies to any other kernel queries and commands which depend on the CS ioctl. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
