R300 family will hard lockup if host path read cache flush is
done through MMIO to HOST_PATH_CNTL. But scheduling same flush
through ring seems harmless. This patch remove the hdp_flush
callback and add a flush after each fence emission which means
a flush after each IB schedule. Thus we should hav
On Wed, Jan 6, 2010 at 1:29 PM, Jerome Glisse wrote:
> R300 family will hard lockup if host path read cache flush is
> done through MMIO to HOST_PATH_CNTL. But scheduling same flush
> through ring seems harmless. This patch remove the hdp_flush
> callback and add a flush after each fence emission
On Wed, Jan 06, 2010 at 01:57:08PM -0500, Alex Deucher wrote:
> On Wed, Jan 6, 2010 at 1:29 PM, Jerome Glisse wrote:
> > R300 family will hard lockup if host path read cache flush is
> > done through MMIO to HOST_PATH_CNTL. But scheduling same flush
> > through ring seems harmless. This patch remo
On Wed, Jan 6, 2010 at 3:51 PM, Jerome Glisse wrote:
> On Wed, Jan 06, 2010 at 01:57:08PM -0500, Alex Deucher wrote:
>> On Wed, Jan 6, 2010 at 1:29 PM, Jerome Glisse wrote:
>> > R300 family will hard lockup if host path read cache flush is
>> > done through MMIO to HOST_PATH_CNTL. But scheduling
