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

Philip Cox philip.cox at canonical.com
Wed Apr 19 18:54:09 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/lp1996675

[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.

----------------------------------------------------------------

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:

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

for you to fetch changes up to 4e4b4c25903b2da32f0ff7f1d39aa92ee47c643e:

tcc: Choose different L3 cache miss perf event for ADL-N. (2023-04-19
13:56:49 -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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