diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/i915/gt/intel_gt.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/i915/gt/intel_gt.c b/sys/dev/pci/drm/i915/gt/intel_gt.c index 6411b019c55..ebeb02acf1d 100644 --- a/sys/dev/pci/drm/i915/gt/intel_gt.c +++ b/sys/dev/pci/drm/i915/gt/intel_gt.c @@ -974,6 +974,20 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt) mutex_lock(>->tlb_invalidate_lock); intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); + spin_lock_irq(&uncore->lock); /* serialise invalidate with GT reset */ + + for_each_engine(engine, gt, id) { + struct reg_and_bit rb; + + rb = get_reg_and_bit(engine, regs == gen8_regs, regs, num); + if (!i915_mmio_reg_offset(rb.reg)) + continue; + + intel_uncore_write_fw(uncore, rb.reg, rb.bit); + } + + spin_unlock_irq(&uncore->lock); + for_each_engine(engine, gt, id) { /* * HW architecture suggest typical invalidation time at 40us, @@ -988,7 +1002,6 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt) if (!i915_mmio_reg_offset(rb.reg)) continue; - intel_uncore_write_fw(uncore, rb.reg, rb.bit); if (__intel_wait_for_register_fw(uncore, rb.reg, rb.bit, 0, timeout_us, timeout_ms, |