[PATCH 0/3] Add debugfs node to expose pcie link state residency
Soham Purkait
soham.purkait at intel.com
Thu May 29 19:26:17 UTC 2025
The changes in the first patch is taken from
https://patchwork.freedesktop.org/series/149026/
Thay are added only for compilation and does not
require review.
This patch exposes pcie link state residency counter values through
debugfs for L0, L1, L1.2.
Soham Purkait (3):
Utility function and macro for telemetry reading
drm/xe/regs/xe_pmt: Macros for pcie link state residency offset
drm/xe/xe_debugfs: Exposure of pcie link state residency counters
through debugfs
drivers/gpu/drm/xe/regs/xe_pmt.h | 9 ++++++
drivers/gpu/drm/xe/xe_debugfs.c | 49 ++++++++++++++++++++++++++++++++
drivers/gpu/drm/xe/xe_vsec.c | 2 +-
drivers/gpu/drm/xe/xe_vsec.h | 5 ++++
4 files changed, 64 insertions(+), 1 deletion(-)
--
2.34.1
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