[j:intel-iotg][PULL][SRU][v2] Raptor lake: Enable Time Coordinated Compute interface driver

Philip Cox philip.cox at canonical.com
Mon Apr 24 19:54:21 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/2012755

[Impact]Enable Time Coordinated Compute interface driver.

[Fix]
This is pulling in a set of patches to enable the TCC interface driver
for raptor lake in the intel-iotg kernel.  

[Test Case]
I've tested the kernel, and didn't hit any regressions, and it will be
thoroughly tested by QA once it is available in the PPA.

[Where Problems Could Occur]
The changes cherry-picked clean, except for one of them, which needed
slight context changes .  As this is exposing new functionality, the
chance for regressions is low.

[v2]
-updated subject line
-updated to buglink to public bug
----------------------------------------------------------------
The following changes since commit
900672bb3984f9ae4198ed7f7b1f734b6a8181e1:

tcc: rounding possible non page-aligned ssram address (2023-04-19
11:58:20 -0400)

are available in the Git repository at:

https://git.launchpad.net/~philcox/+git/lp1996675
e113d315cd874b8eed93edc88769f620f3c3fc55

for you to fetch changes up to
e113d315cd874b8eed93edc88769f620f3c3fc55:

tcc: Choose different L3 cache miss perf event for ADL-N. (2023-04-24
15:48:19 -0400)

----------------------------------------------------------------
Qiang Rao (6):
Support RPL in measurement function.
Assume default hardware prefetch bitmask in measurement function.
tcc: fix patch style problem
tcc: Map and show crl version number in /proc.
tcc: Update hardware prefetcher disable bits for ADL and RPL in cache
hit/miss measurement.
tcc: Choose different L3 cache miss perf event for ADL-N.

arch/x86/kernel/acpi/boot.c | 20 ++---
drivers/tcc/tcc_buffer.c | 264 +++++++++++++++++++++++++++++++++-------
-------------------
drivers/tcc/tcc_buffer.h | 140 ++++++++++---------------------
include/acpi/actbl2.h | 27 +++---
4 files changed, 209 insertions(+), 242 deletions(-)

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