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drm/i915/guc: Module load failure test for CT buffer creation

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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>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708162055.129996-8-matthew.brost@intel.com
This commit is contained in:
John Harrison 2021-07-08 09:20:55 -07:00
parent 75452167a2
commit 3101e9952b
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
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@ -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;