On Don, 2012-06-28 at 17:53 -0400, alexdeucher@xxxxxxxxx wrote: > From: Alex Deucher <alexander.deucher@xxxxxxx> > > Cayman and trinity allow for variable sized VM page > tables, but SI requires that all page tables be the > same size. The current code assumes variablely sized > VM page tables so SI may end up with part of each page > table overlapping with other memory which could end > up being interpreted by the VM hw as garbage. > > Change the code to better accomodate SI. Allocate enough > space for at least 2 full page tables and always set > last_pfn to max_pfn on SI so each VM is backed by a full > page table. This limits us to only 2 VMs active at any > given time on SI. This will be rectified and the code can > be reunified once we move to two level page tables. > > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> This change breaks the radeonsi driver for me. egltri_screen (the 'golden' test for radeonsi at least basically working) locks up the GPU. I don't have any details about the lockup yet, as the GPU reset attempt hangs the machine. Any ideas offhand what radeonsi might be doing wrong? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
