Re: [Mesa-dev] [PATCH 3/4] i965/gen9: Don't use encrypted MOCS

2015-06-22 Thread Kenneth Graunke
On Monday, June 22, 2015 05:24:11 PM Ben Widawsky wrote: > On Thu, Jun 18, 2015 at 03:41:50PM -0700, Kenneth Graunke wrote: > > On Wednesday, June 17, 2015 03:50:13 PM Ben Widawsky wrote: > > > On gen9+ MOCS is an index into a table. It is 7 bits, and AFAICT, bit 0 > > > is for > > > doing encrypt

Re: [Mesa-dev] [PATCH 3/4] i965/gen9: Don't use encrypted MOCS

2015-06-22 Thread Ben Widawsky
On Thu, Jun 18, 2015 at 03:41:50PM -0700, Kenneth Graunke wrote: > On Wednesday, June 17, 2015 03:50:13 PM Ben Widawsky wrote: > > On gen9+ MOCS is an index into a table. It is 7 bits, and AFAICT, bit 0 is > > for > > doing encrypted reads. > > > > I don't recall how I decided to do this for BXT.

Re: [Mesa-dev] [PATCH 3/4] i965/gen9: Don't use encrypted MOCS

2015-06-18 Thread Kenneth Graunke
On Wednesday, June 17, 2015 03:50:13 PM Ben Widawsky wrote: > On gen9+ MOCS is an index into a table. It is 7 bits, and AFAICT, bit 0 is for > doing encrypted reads. > > I don't recall how I decided to do this for BXT. I don't know this patch was > ever needed, since it seems nothing is broken tod

[Mesa-dev] [PATCH 3/4] i965/gen9: Don't use encrypted MOCS

2015-06-17 Thread Ben Widawsky
On gen9+ MOCS is an index into a table. It is 7 bits, and AFAICT, bit 0 is for doing encrypted reads. I don't recall how I decided to do this for BXT. I don't know this patch was ever needed, since it seems nothing is broken today on SKL. Furthermore, this patch may no longer be needed because of