On Wed, 2015-02-18 at 13:02 +0100, Christian König wrote: > Well, what the patch does is just changing where buffers are placed in > memory. E.g. now we place the buffer at the end of memory as well. > > So I can imagine at least three possible causes for the issues you see: > 1. We haven't implemented all buffer placement restrictions correctly > and without the patch everything just works fine by coincident. > 2. Something is overwriting the buffer at it's new location. > @Alex&Michel: Didn't we had a similar problem internally recently? Or > was that just for APUs? > 3. One of the memory chips on your hardware is faulty and without the > patch the we just don't use the affected region (rather unlikely). > > For testing could you try to limit the amount of VRAM used? E.g. give > radeon.vramlimit=256 as kernel commandline to limit the VRAM to the > first 256MB. Tried with the kernel parameter radeon.vramlimit=256, and it seemed to have the exact same behavior. The flicker was still there, same size, same frequency. Thanks, - Ross _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
