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authorJakub Bartmiński <jakub.bartminski@intel.com>2018-07-27 16:11:47 +0200
committerChris Wilson <chris@chris-wilson.co.uk>2018-07-27 16:07:45 +0100
commit905febf592f7280084ee853b05d7bd59e26c4ca0 (patch)
tree04e6a0d7a371245d0db0eff1eebb6c641a8a90bd /drivers/gpu/drm/i915/intel_wopcm.c
parent496bcce3c9bf50ccf74b3050669600631cbf8138 (diff)
downloadlinux-905febf592f7280084ee853b05d7bd59e26c4ca0.tar.bz2
drm/i915: Add a fault injection point to WOPCM init
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> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180727141148.30874-5-jakub.bartminski@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_wopcm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_wopcm.c3
1 files changed, 3 insertions, 0 deletions
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);