drm/i915/guc: Add debug capture of GuC exception

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Detect GuC firmware load failure due to an exception during execution
in GuC firmware. Output the GuC EIP where exception occurred to dmesg
for GuC debug information.

v2: correct typos, change debug message and error code returned for
GuC exception (Michal)

Signed-off-by: Robert M. Fosha <robert.m.fosha@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190625164107.21512-1-robert.m.fosha@intel.com

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Robert M. Fosha 2019-06-25 09:41:07 -07:00 • committed by Chris Wilson

parent 07bfe6bf10

commit 8e9c2f6218

2 changed files with 8 additions and 0 deletions

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7

drivers/gpu/drm/i915/intel_guc_fw.c

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1

drivers/gpu/drm/i915/intel_guc_reg.h

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