From: John Harrison <john.c.harri...@intel.com>
Add several module failure load inject points in the CT buffer creation
code path.
Signed-off-by: John Harrison <john.c.harri...@intel.com>
Signed-off-by: Matthew Brost <matthew.br...@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdec...@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 5b8b4ff609e2..d2a55521ef25 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;
--
2.28.0
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