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drm/i915: Add a fault injection point to WOPCM init 

Add a fault injection point in the WOPCM initialization path.

v4:
Move the injection inside the WOPCM init function.

Signed-off-by: Jakub Bartmiński <jakub.bartminski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180727141148.30874-5-jakub.bartminski@intel.com
hifive-unleashed-5.1
Jakub Bartmiński 2018-07-27 16:11:47 +02:00 committed by Chris Wilson
parent 496bcce3c9
commit 905febf592
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_wopcm.c
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@ -168,6 +168,9 @@ int intel_wopcm_init(struct intel_wopcm *wopcm)
GEM_BUG_ON(!wopcm->size);
if (i915_inject_load_failure())
return -E2BIG;
if (guc_fw_size >= wopcm->size) {
DRM_ERROR("GuC FW (%uKiB) is too big to fit in WOPCM.",
guc_fw_size / 1024);