[Mesa-dev] [PATCH 0/5] i965/hsw: Use L3 with MOCS

[Chad Versace]

Patches 2-5 are committed, with Ken's r-b.

Patch 1 is blocked by concerns from Ken. The patch doesn't
do what it claims to do. I'll resubmit it later, but let's not
block the 9.2 branch on it.


On 07/18/2013 03:00 PM, Chad Versace wrote:
> Nothing was landing in the L3 cache because we neglected to set the MOCS L3
> bit. This fixes that and puts a bunch of stuff into L3.
>
> Improves Xonotic 1920x1080 by +5.68% on Haswell Mobile GT2.
> No Piglit regressions.
>
> This series depends on Ken's recent patches and lives on my hsw-mocs-l3-v04 branc.
>
> Performance Measurements
> ========================
>
> system-info {
>      gpu: haswell_m_gt2 0x0416 rev05
>      arch: x86_64
>      kernel: 3.9.9-1-ARCH (Archlinux)
>      xf86-video-intel: 2.12.11-1 (Archlinux)
>      libdrm: 2.4.46-2 (Archlinux)
> }
>
> test {
>      name: pts/xonotic-1.3.1 1920x1080 quality=high
>      delta: +5.68152% +/- 0.653452(student's t) at 95% confidence
>      n: 3
>      pooled-s: 0.288297
>      mesa-base: master-00d32cd
> }
>
> Chad Versace (5):
>    i965/hsw: Change L3 MOCS of STATE_BASE_ADDRESS
>    i965/hsw: Change L3 MOCS of 3DSTATE_VERTEX_BUFFERS
>    i965/hsw: Change L3 MOCS of SURFACE_STATE
>    i965/hsw: Change L3 MOCS of 3DSTATE_CONSTANT_VS/PS
>    i965/hsw: Change L3 MOCS for depth, hiz, and stencil
>
>   src/mesa/drivers/dri/i965/brw_draw_upload.c       |  3 +++
>   src/mesa/drivers/dri/i965/brw_misc_state.c        |  9 ++++++++-
>   src/mesa/drivers/dri/i965/gen6_blorp.cpp          | 12 +++++++++++-
>   src/mesa/drivers/dri/i965/gen7_blorp.cpp          | 14 ++++++++++----
>   src/mesa/drivers/dri/i965/gen7_misc_state.c       |  7 +++++--
>   src/mesa/drivers/dri/i965/gen7_vs_state.c         |  4 +++-
>   src/mesa/drivers/dri/i965/gen7_wm_state.c         |  4 +++-
>   src/mesa/drivers/dri/i965/gen7_wm_surface_state.c |  6 +++++-
>   8 files changed, 48 insertions(+), 11 deletions(-)
>