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authorChris Wilson <chris@chris-wilson.co.uk>2020-12-10 08:02:20 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2020-12-10 21:16:26 +0000
commit20a6774e726a377f74679a83a7b8afc79812ed7f (patch)
treeaa58b018387016f09c385d60e55c5d06446cf411 /drivers/gpu/drm/i915/gt/intel_ring_submission.c
parentc97ffd084d70678355040ad8ae0ab84e390b54d4 (diff)
drm/i915/gt: Mark legacy ring context as lost
When we reset the legacy ring context, due to potential corruption over suspend/resume, remove the valid bit so that we avoid loading garbage. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201210080240.24529-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ring_submission.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_ring_submission.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index a41b43f445b8..5105e19514ee 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -602,6 +602,7 @@ static int ring_context_pin(struct intel_context *ce, void *unused)
static void ring_context_reset(struct intel_context *ce)
{
intel_ring_reset(ce->ring, ce->ring->emit);
+ clear_bit(CONTEXT_VALID_BIT, &ce->flags);
}
static const struct intel_context_ops ring_context_ops = {