diff mbox

[v2,4/5] drm/i915: Add a fault injection point after WOPCM init

Message ID 20180718115412.30496-4-jakub.bartminski@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Bartminski, Jakub July 18, 2018, 11:54 a.m. UTC
Signed-off-by: Jakub Bartmiński <jakub.bartminski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

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