[PATCH v6 0/4] GuC HWCONFIG with documentation

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This is John/Rodrigo's 2 patches with some minor changes, and I added
2 patches.

"drm/i915/uapi: Add query for hwconfig blob" was changed:

 * Rename DRM_I915_QUERY_HWCONFIG_TABLE to DRM_I915_QUERY_HWCONFIG_BLOB
   as requested by Joonas.

 * Reword commit message

 * I added Acked-by to this patch, but this Acked-by only applies in
   the context of this version of the patchset.

"drm/i915/uapi: Add struct drm_i915_query_hwconfig_blob_item" adds a
struct to the uAPI and documents the return value for
DRM_I915_QUERY_HWCONFIG_BLOB. (Except, keys / values are still
deferred to the PRM.)

"drm/i915/guc: Verify hwconfig blob matches supported format" does the
simple verification of the blob to make sure it matches what the uAPI
documents.

v2:
 * Fix -Werror errors.
 * Rebase to drm-intel/for-linux-next instead of
   drm-intel/for-linux-next-gt, as this seems to be what CI wants.
 * Fix u32 -> __u32.
 * Add commit message for "Verify hwconfig blob" patch as requested by
   Tvrtko.
 * Reword text added to i915_drm.h as requested by Tvrtko. (Attempting
   to indicate the overall blob ends right at the last blob item.)

v3:
 * Add several changes suggested by Tvrtko in the "Verify hwconfig
   blob", along with some tweaks to i915_drm.h from the feedback for
   the same patch.

v4:
 * Rewrite verify_hwconfig_blob() to hopefully be clearer without
   relying on comments so much, and add various suggestions from
   Michal.
 * Michal also had some suggestions in John's "drm/i915/guc: Add fetch
   of hwconfig table" patch. I held off on making any of these changes
   in this version.

v5:
 * Add many changes suggested by Michal in John's "drm/i915/guc: Add
   fetch of hwconfig table" patch.
 * Fix documenation formatting as suggested by Daniel in
   "drm/i915/uapi: Add struct drm_i915_query_hwconfig_blob_item"

v6:
 * Updated "drm/i915/guc: Add fetch of hwconfig table" by merging in
   John's v2 patch which saves the hwconfig blob at the GT level. I
   also added a few changes requested by Michal on the v5 posting.
 * Tvrtko requested an example of UMD using the i915 hwconfig
   interface. Mesa support for this interface can be seen in this MR:
   https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14511

John Harrison (1):
  drm/i915/guc: Add fetch of hwconfig table

Jordan Justen (2):
  drm/i915/uapi: Add struct drm_i915_query_hwconfig_blob_item
  drm/i915/guc: Verify hwconfig blob matches supported format

Rodrigo Vivi (1):
  drm/i915/uapi: Add query for hwconfig blob

 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/gt/intel_gt.c            |   6 +
 drivers/gpu/drm/i915/gt/intel_gt_types.h      |   4 +
 drivers/gpu/drm/i915/gt/intel_hwconfig.h      |  21 ++
 .../gpu/drm/i915/gt/uc/abi/guc_actions_abi.h  |   1 +
 .../gpu/drm/i915/gt/uc/abi/guc_errors_abi.h   |   4 +
 .../gpu/drm/i915/gt/uc/intel_guc_hwconfig.c   | 203 ++++++++++++++++++
 drivers/gpu/drm/i915/i915_query.c             |  23 ++
 include/uapi/drm/i915_drm.h                   |  44 ++++
 9 files changed, 307 insertions(+)
 create mode 100644 drivers/gpu/drm/i915/gt/intel_hwconfig.h
 create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c

-- 
2.34.1




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