drm/xe/gt_throttle: Report power brake as a throttle reason on CRI

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CRI defines bit 5 of the perf limit reasons register as a power brake
(PWRBRK) indicator. Add PWRBRK_MASK and a reason_pwrbrk sysfs attribute
for CRI in place of reason_ratl.

Signed-off-by: Sk Anirban <sk.anirban@intel.com>
Fixes: 8578e6d054 ("drm/xe/gt_throttle: Drop individual show functions")
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260909114931.1039331-2-sk.anirban@intel.com
(cherry picked from commit e199c851c0)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Sk Anirban 2026-09-09 17:19:32 +05:30 • committed by Rodrigo Vivi

parent 93f51579e7

commit ea4debcd80

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2 changed files with 4 additions and 2 deletions

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1

drivers/gpu/drm/xe/regs/xe_gt_regs.h

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5

drivers/gpu/drm/xe/xe_gt_throttle.c

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