| Message ID | 20180727085350.321-5-jakub.bartminski@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v6,1/6] drm/i915/guc: Avoid wasting memory on incorrect GuC pin bias | expand |
On Fri, 27 Jul 2018 10:53:49 +0200, Jakub Bartmiński <jakub.bartminski@intel.com> wrote: > 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>
diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c index 09cc62b0d7ca..92cb82dd0c07 100644 --- a/drivers/gpu/drm/i915/intel_wopcm.c +++ b/drivers/gpu/drm/i915/intel_wopcm.c @@ -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);
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> --- drivers/gpu/drm/i915/intel_wopcm.c | 3 +++ 1 file changed, 3 insertions(+)