Injecting probe errors -ENXIO for MMIO send. Signed-off-by: Thanneeru Srinivasulu <thanneeru.srinivasulu@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/uc/intel_guc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 8f8182bf7c11..490d66712afc 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -403,6 +403,10 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *request, u32 len, int i; int ret; + ret = i915_inject_probe_error(i915, -ENXIO); + if (ret) + return ret; + GEM_BUG_ON(!len); GEM_BUG_ON(len > guc->send_regs.count); -- 2.25.1