On Wed, Sep 16, 2020 at 09:26:58AM +0100, Chris Wilson wrote:
> Quoting Greg KH (2020-09-16 07:33:58)
> > On Tue, Sep 15, 2020 at 01:41:48PM +0100, Chris Wilson wrote:
> > > On Tigerlake, we are seeing a repeat of commit d8f505311717
> > > ("drm/i915/icl:
> > > Forcibly evict stale csb entries") w
Quoting Greg KH (2020-09-16 07:33:58)
> On Tue, Sep 15, 2020 at 01:41:48PM +0100, Chris Wilson wrote:
> > On Tigerlake, we are seeing a repeat of commit d8f505311717 ("drm/i915/icl:
> > Forcibly evict stale csb entries") where, presumably, due to a missing
> > Global Observation Point synchronisati
On Tue, Sep 15, 2020 at 01:41:48PM +0100, Chris Wilson wrote:
> On Tigerlake, we are seeing a repeat of commit d8f505311717 ("drm/i915/icl:
> Forcibly evict stale csb entries") where, presumably, due to a missing
> Global Observation Point synchronisation, the write pointer of the CSB
> ringbuffer
Chris Wilson writes:
> On Tigerlake, we are seeing a repeat of commit d8f505311717 ("drm/i915/icl:
> Forcibly evict stale csb entries") where, presumably, due to a missing
> Global Observation Point synchronisation, the write pointer of the CSB
> ringbuffer is updated _prior_ to the contents of t
On Tigerlake, we are seeing a repeat of commit d8f505311717 ("drm/i915/icl:
Forcibly evict stale csb entries") where, presumably, due to a missing
Global Observation Point synchronisation, the write pointer of the CSB
ringbuffer is updated _prior_ to the contents of the ringbuffer. That is
we see t