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

[Philip Cox]

On Mon, Apr 24, 2023 at 3:54 PM Philip Cox <philip.cox at canonical.com> wrote:

> BugLink: https://bugs.launchpad.net/bugs/2012755
> <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.
>
> [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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