drm/xe: Introduce fault injection for gt reset

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To trigger gt reset failure:
 echo 100 >  /sys/kernel/debug/dri/<cardX>/fail_gt_reset/probability
 echo 2 >  /sys/kernel/debug/dri/<cardX>/fail_gt_reset/times

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Himal Prasad Ghimiray 2023-07-27 04:56:50 +05:30 • committed by Rodrigo Vivi

parent 4f027e304a

commit 8f3013e0b2

3 changed files with 31 additions and 1 deletions

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10

drivers/gpu/drm/xe/xe_debugfs.c

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8

drivers/gpu/drm/xe/xe_gt.c

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14

drivers/gpu/drm/xe/xe_gt.h

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