We should probably do this conditionally, based on whether preemption is actually enabled. Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_lrc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 869b96e..972f9bd 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1418,10 +1418,13 @@ static int gen8_emit_bb_start(struct drm_i915_gem_request *req, req->ctx->ppgtt->pd_dirty_rings &= ~intel_engine_flag(req->engine); } - cs = intel_ring_begin(req, 4); + cs = intel_ring_begin(req, 6); if (IS_ERR(cs)) return PTR_ERR(cs); + *cs++ = MI_ARB_CHECK; + *cs++ = MI_NOOP; + /* FIXME(BDW): Address space and security selectors. */ *cs++ = MI_BATCH_BUFFER_START_GEN8 | (ppgtt << 8) | (dispatch_flags & I915_DISPATCH_RS ? MI_BATCH_RESOURCE_STREAMER : 0); -- 2.9.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
