From: John Harrison John.C.Harrison@Intel.com
Add several module failure load inject points in the CT buffer creation code path.
Signed-off-by: John Harrison john.c.harrison@intel.com Signed-off-by: Matthew Brost matthew.brost@intel.com Reviewed-by: Michal Wajdeczko michal.wajdeczko@intel.com --- drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index 1fd5c69358ef..8e0ed7d8feb3 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -175,6 +175,10 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 type, { int err;
+ err = i915_inject_probe_error(guc_to_gt(ct_to_guc(ct))->i915, -ENXIO); + if (unlikely(err)) + return err; + err = guc_action_register_ct_buffer(ct_to_guc(ct), type, desc_addr, buff_addr, size); if (unlikely(err)) @@ -226,6 +230,10 @@ int intel_guc_ct_init(struct intel_guc_ct *ct) u32 *cmds; int err;
+ err = i915_inject_probe_error(guc_to_gt(guc)->i915, -ENXIO); + if (err) + return err; + GEM_BUG_ON(ct->vma);
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + CTB_G2H_BUFFER_SIZE;