From: John Harrison <John.C.Harrison@xxxxxxxxx> Add several module failure load inject points in the CT buffer creation code path. Signed-off-by: John Harrison <john.c.harrison@xxxxxxxxx> Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx> --- 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 d6895d29ed2d..586e6efc3558 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -177,6 +177,10 @@ 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)) @@ -228,6 +232,10 @@ 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; -- 2.28.0