RE: [PATCH 0/7] Crescent Island PMT support

>-----Original Message-----
>From: Intel-xe <[email protected]> On Behalf Of Michael
>J. Ruhl
>Sent: Thursday, August 6, 2026 9:58 AM
>To: [email protected]; [email protected];
>[email protected]; [email protected]; Brost, Matthew
><[email protected]>; Vivi, Rodrigo <[email protected]>;
>[email protected]; [email protected]; [email protected];
>[email protected]; Vijay, Anoop C <[email protected]>;
>Nilawar, Badal <[email protected]>; Roper, Matthew D
><[email protected]>; Ausmus, James <[email protected]>
>Subject: [PATCH 0/7] Crescent Island PMT support
>
>The Crescent Island (CRI) GPU supports PMT via Xe driver
>registration.
>
>The CRI PMT MMIO mapping is shared for each PMT feature and it is
>necessary to set an index register value to access the correct memory
>space.
>
>The PMT driver has a callback infrastructure to access data areas with
>driver specific access. It is does not support the PMT control access.
>
>CRI discovery/control spaces are part of the access window so a driver
>callback is necessary to allow for the correct window to be exposed.
>
>Add control path callback support to the PMT driver.
>
>Add CRI PMT discovery information.
>
>Update the Xe driver to support the CRI PMT access.
>
>The crashlog access needs to be done with power enabled (telem is only
>available when the device is powered).
>
>Determine which access is requested, and do the appropriate power
>request.
>
>CRI FW is loaded at device power.  Support the late-binding API to
>wait for FW readiness. (pending sysctl patch set implements the API).

This patch set provides the SYSCTRL API used in this patch set:

[PATCH v6 0/2] drm/xe/sysctrl: Add helper to query application status

M

>Michael J. Ruhl (7):
>  platform/x86/intel/pmt: complete pcidev to device update
>  platform/x86/intel/pmt: Add register access callbacks
>  drm/xe/vsec: Use correct pm state get
>  drm/xe/vsec: Support Crescent Island PMT
>  drm/xe/vsec: Crescent Island PMT decode
>  drm/xe/vsec: Crescent Island PMT callbacks
>  drm/xe/vsec: support late bind fw information
>
> drivers/gpu/drm/xe/regs/xe_pmt.h           |   5 +
> drivers/gpu/drm/xe/xe_device.c             |   4 +-
> drivers/gpu/drm/xe/xe_device_types.h       |   4 +
> drivers/gpu/drm/xe/xe_vsec.c               | 417 +++++++++++++++++++--
> drivers/gpu/drm/xe/xe_vsec.h               |   2 +-
> drivers/platform/x86/intel/pmt/class.c     |   5 +-
> drivers/platform/x86/intel/pmt/class.h     |   3 +-
> drivers/platform/x86/intel/pmt/crashlog.c  |  39 +-
> drivers/platform/x86/intel/pmt/discovery.c |   2 +-
> include/linux/intel_vsec.h                 |  12 +
> 10 files changed, 448 insertions(+), 45 deletions(-)
>
>--
>2.43.0