On Sun, Jan 11, 2015 at 07:05:21PM -0800, Kenneth Graunke wrote:
> On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
> > On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
> > > On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
> > > > On Sat, Jan 10, 2015 at 06:44
On Sun, Jan 11, 2015 at 06:53:32PM -0800, Kenneth Graunke wrote:
[snip]
>
> Jesse had suggested setting it in broadwell_init_clock_gating on January 5th,
> and Valtteri tried it on January 7th. He found "no noticeable difference".
> I tried it again, and confirmed his result: there was zero per
On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
> On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
> > On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
> > > On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
> > > > This is an important optimiza
On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
> On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
> > On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
> > > On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
> > > > This is an important optimiza
On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
> On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
> > On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
> > > This is an important optimization for avoiding read-after-write (RAW)
> > > stalls in the HiZ buf
On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
> On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
> > This is an important optimization for avoiding read-after-write (RAW)
> > stalls in the HiZ buffer. Certain workloads would run very slowly with
> > HiZ enabled, but r
On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
> This is an important optimization for avoiding read-after-write (RAW)
> stalls in the HiZ buffer. Certain workloads would run very slowly with
> HiZ enabled, but run much faster with the "hiz=false" driconf option.
> With this patc
This is an important optimization for avoiding read-after-write (RAW)
stalls in the HiZ buffer. Certain workloads would run very slowly with
HiZ enabled, but run much faster with the "hiz=false" driconf option.
With this patch, they run at full speed even with HiZ.
Improves performance in OglVSIn
