[Intel-gfx] [PATCH v3 4/5] drm/i915: Add a fault injection point after WOPCM init

[Jakub Bartmiński]

Signed-off-by: Jakub Bartmiński <jakub.bartminski at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski at intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ed2be33ec58a..dd170a293d05 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5475,6 +5475,11 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
 	if (ret)
 		goto err_uc_misc;
 
+	if (i915_inject_load_failure()) {
+		ret = -E2BIG;
+		goto err_uc_misc;
+	}
+
 	/* This is just a security blanket to placate dragons.
 	 * On some systems, we very sporadically observe that the first TLBs
 	 * used by the CS may be stale, despite us poking the TLB reset. If
-- 
2.17.1