On Thu, Aug 7, 2014 at 3:46 AM, Michel D?nzer <michel at daenzer.net> wrote: > From: Michel D?nzer <michel.daenzer at amd.com> > > Not doing this causes piglit hangs[0] on my Cape Verde card. No issues on > Bonaire and Kaveri though. > > [0] Same symptoms as those fixed on CIK by 'drm/radeon: set VM base addr > using the PFP v2'. > > Signed-off-by: Michel D?nzer <michel.daenzer at amd.com>
We should be using PFP as much as possible. Does the attached patch help? Alex > --- > drivers/gpu/drm/radeon/radeon_vm.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_vm.c > b/drivers/gpu/drm/radeon/radeon_vm.c > index ccae4d9..898cbb7 100644 > --- a/drivers/gpu/drm/radeon/radeon_vm.c > +++ b/drivers/gpu/drm/radeon/radeon_vm.c > @@ -238,7 +238,9 @@ void radeon_vm_flush(struct radeon_device *rdev, > uint64_t pd_addr = radeon_bo_gpu_offset(vm->page_directory); > > /* if we can't remember our last VM flush then flush now! */ > - if (!vm->last_flush || pd_addr != vm->pd_gpu_addr) { > + /* XXX figure out why we have to flush all the time before CIK */ > + if (rdev->family < CHIP_BONAIRE || > + !vm->last_flush || pd_addr != vm->pd_gpu_addr) { > trace_radeon_vm_flush(pd_addr, ring, vm->id); > vm->pd_gpu_addr = pd_addr; > radeon_ring_vm_flush(rdev, ring, vm); > -- > 2.0.1 > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-drm-radeon-use-pfp-for-all-vm_flush-related-updates.patch Type: text/x-diff Size: 3275 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140807/d03eda17/attachment-0001.patch>