diff options
| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-29 18:31:49 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-30 14:04:57 +0000 |
| commit | 45b152f752ea81935ff1f68d28b1914b8cfbe759 (patch) | |
| tree | 9b5e35cf78d697d57f40d98fb49695128f211ca7 /drivers/gpu/drm/i915/gt/intel_reset.c | |
| parent | drm/i915/gt: Avoid using tag 0 for the very first submission (diff) | |
| download | linux-dev-45b152f752ea81935ff1f68d28b1914b8cfbe759.tar.xz linux-dev-45b152f752ea81935ff1f68d28b1914b8cfbe759.zip | |
drm/i915/gt: Avoid using the GPU before initialisation
Mark the GT as wedged so that we are not tempted to use it prior to
initialisation.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191229183153.3719869-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 8af253334f52..fe919a1af904 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1353,6 +1353,9 @@ void intel_gt_init_reset(struct intel_gt *gt) init_waitqueue_head(>->reset.queue); mutex_init(>->reset.mutex); init_srcu_struct(>->reset.backoff_srcu); + + /* no GPU until we are ready! */ + __set_bit(I915_WEDGED, >->reset.flags); } void intel_gt_fini_reset(struct intel_gt *gt) |