drm/i915/gt: Create gt/gtN/.defaults/ for per gt sysfs defaults

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Create a gt/gtN/.defaults/ directory (similar to
engine/<engine-name>/.defaults/) to expose default parameter values for
each gt in sysfs. This allows userspace to restore default parameter values
after they have changed. The empty 'struct gt_defaults' will be populated
by subsequent patches.

v2: Changed 'struct intel_rps_defaults rps_defaults' to
    'struct gt_defaults defaults' (Andi)

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/be7c30d0ae58be9d8d5b8242ba00a1b2825e63ad.1658192398.git.ashutosh.dixit@intel.com

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Ashutosh Dixit 2022-07-18 18:07:07 -07:00 • committed by Rodrigo Vivi

parent 1dab4561a3

commit 5dca122f83

2 changed files with 12 additions and 0 deletions

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5

drivers/gpu/drm/i915/gt/intel_gt_sysfs.c

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7

drivers/gpu/drm/i915/gt/intel_gt_types.h

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