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i965/gen9: Don't use encrypted MOCS

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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 the ongoing changes with MOCS setup. It
is what is being used/tested, so it's included in the series.

The chosen values are the old values left shifted. That was also an arbitrary
choice.

v2: Use shift in MOCS to make it clear what we're doing. (Ken)

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ben Widawsky 2015-06-17 15:50:13 -07:00
parent 78d58e6425
commit 20dca37a20
1 changed files with 2 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_defines.h
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@ -2495,8 +2495,8 @@ enum brw_wm_barycentric_interp_mode {
* cache settings. We still use only either write-back or write-through; and
* rely on the documented default values.
*/
#define SKL_MOCS_WB 9
#define SKL_MOCS_WT 5
#define SKL_MOCS_WB (0b001001 << 1)
#define SKL_MOCS_WT (0b000101 << 1)
#define MEDIA_VFE_STATE 0x7000
/* GEN7 DW2, GEN8+ DW3 */