[v5,0/6] Add HWMON support for DGFX

Message

Nilawar, Badal Sept. 21, 2023, 10:25 a.m. UTC

This series adds the hwmon support on xe driver for 
DGFX. This is ported from i915 hwmon. 

v3: Fix review comments (Matt Brost/Andi) 

v4:
  - Squashed "Add HWMON infrastructure" patch to "Expose power attributes"
  - Dropped changes related to disable PL1 to boost firmware loading. 
    Will handle it saperate patch/series.
  - Dropped changes related to gt specific energy attributes. 
    Will handle gt specific energy attributes in saperate patch/series with design
    change suggested by Guenter
  - Fix review comments (Andi/Guenter)

v5: Rebased and clean up

Badal Nilawar (6):
  drm/xe: Add XE_MISSING_CASE macro
  drm/xe/hwmon: Expose power attributes
  drm/xe/hwmon: Expose card reactive critical power
  drm/xe/hwmon: Expose input voltage attribute
  drm/xe/hwmon: Expose hwmon energy attribute
  drm/xe/hwmon: Expose power1_max_interval

 .../ABI/testing/sysfs-driver-intel-xe-hwmon   |  72 ++
 drivers/gpu/drm/xe/Makefile                   |   3 +
 drivers/gpu/drm/xe/regs/xe_gt_regs.h          |   9 +
 drivers/gpu/drm/xe/regs/xe_mchbar_regs.h      |  44 +
 drivers/gpu/drm/xe/xe_device.c                |   3 +
 drivers/gpu/drm/xe/xe_device_types.h          |   2 +
 drivers/gpu/drm/xe/xe_hwmon.c                 | 758 ++++++++++++++++++
 drivers/gpu/drm/xe/xe_hwmon.h                 |  20 +
 drivers/gpu/drm/xe/xe_macros.h                |   4 +
 drivers/gpu/drm/xe/xe_pcode.h                 |   5 +
 drivers/gpu/drm/xe/xe_pcode_api.h             |   7 +
 11 files changed, 927 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
 create mode 100644 drivers/gpu/drm/xe/regs/xe_mchbar_regs.h
 create mode 100644 drivers/gpu/drm/xe/xe_hwmon.c
 create mode 100644 drivers/gpu/drm/xe/xe_hwmon.h