Commit 3101e995 authored by John Harrison's avatar John Harrison
Browse files

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



Add several module failure load inject points in the CT buffer creation
code path.

Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708162055.129996-8-matthew.brost@intel.com
parent 75452167

drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c

+8 −0
Original line number Diff line number Diff line
@@ -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;