diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index 52c1fe62bdfe..10e9940cf3f5 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -2539,6 +2539,14 @@ static int emit_pdps(struct i915_request *rq) * GPU hangs to forcewake errors and machine lockups! */ + cs = intel_ring_begin(rq, 2); + if (IS_ERR(cs)) + return PTR_ERR(cs); + + *cs++ = MI_ARB_ON_OFF | MI_ARB_DISABLE; + *cs++ = MI_NOOP; + intel_ring_advance(rq, cs); + /* Flush any residual operations from the context load */ err = engine->emit_flush(rq, EMIT_FLUSH); if (err) @@ -2564,7 +2572,8 @@ static int emit_pdps(struct i915_request *rq) *cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_LDW(base, i)); *cs++ = lower_32_bits(pd_daddr); } - *cs++ = MI_NOOP; + *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; + intel_ring_advance(rq, cs); intel_ring_advance(rq, cs); |