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From: "Jakub Bartmiński" <jakub.bartminski@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH v7 5/6] drm/i915: Add a fault injection point to WOPCM init
Date: Fri, 27 Jul 2018 14:08:55 +0200	[thread overview]
Message-ID: <20180727120856.20485-5-jakub.bartminski@intel.com> (raw)
In-Reply-To: <20180727120856.20485-1-jakub.bartminski@intel.com>

Add a fault injection point in the WOPCM initialization path.

v4:
Move the injection inside the WOPCM init function.

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/intel_wopcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c
index 09cc62b0d7ca..92cb82dd0c07 100644
--- a/drivers/gpu/drm/i915/intel_wopcm.c
+++ b/drivers/gpu/drm/i915/intel_wopcm.c
@@ -168,6 +168,9 @@ int intel_wopcm_init(struct intel_wopcm *wopcm)
 
 	GEM_BUG_ON(!wopcm->size);
 
+	if (i915_inject_load_failure())
+		return -E2BIG;
+
 	if (guc_fw_size >= wopcm->size) {
 		DRM_ERROR("GuC FW (%uKiB) is too big to fit in WOPCM.",
 			  guc_fw_size / 1024);
-- 
2.17.1

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  parent reply	other threads:[~2018-07-27 12:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-27 12:08 [PATCH v7 1/6] drm/i915/guc: Avoid wasting memory on incorrect GuC pin bias Jakub Bartmiński
2018-07-27 12:08 ` [PATCH v7 2/6] drm/i915/guc: Do not partition WOPCM if GuC is not used Jakub Bartmiński
2018-07-27 12:08 ` [PATCH v7 3/6] drm/i915/guc: Move the pin bias value from GuC to GGTT Jakub Bartmiński
2018-07-27 12:18   ` Chris Wilson
2018-07-27 12:29     ` Michal Wajdeczko
2018-07-27 12:08 ` [PATCH v7 4/6] drm/i915: Remove unnecessary ggtt_offset_bias from i915_gem_context Jakub Bartmiński
2018-07-27 12:08 ` Jakub Bartmiński [this message]
2018-07-27 12:15   ` [PATCH v7 5/6] drm/i915: Add a fault injection point to WOPCM init Chris Wilson
2018-07-27 12:08 ` [PATCH v7 6/6] HAX enable GuC for CI Jakub Bartmiński
2018-07-27 12:34 ` ✗ Fi.CI.BAT: failure for series starting with [v7,1/6] drm/i915/guc: Avoid wasting memory on incorrect GuC pin bias Patchwork

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