From patchwork Wed Dec 4 22:32:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11273701 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35BF76C1 for ; Wed, 4 Dec 2019 22:32:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E33320661 for ; Wed, 4 Dec 2019 22:32:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E33320661 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EE2C36F50D; Wed, 4 Dec 2019 22:32:51 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 72C4C6F525 for ; Wed, 4 Dec 2019 22:32:50 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 19463524-1500050 for ; Wed, 04 Dec 2019 22:32:44 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Wed, 4 Dec 2019 22:32:46 +0000 Message-Id: <20191204223246.4156260-3-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191204223246.4156260-1-chris@chris-wilson.co.uk> References: <20191204223246.4156260-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Subject: [Intel-gfx] [CI 3/3] drm/i915/gt: Bump the PP_DIR invalidation for Baytrail X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Invalidate the ring TLB and increase the delay required for Baytrail. Signed-off-by: Chris Wilson --- .../gpu/drm/i915/gt/intel_ring_submission.c | 39 +++++++++++++++++-- 1 file changed, 35 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c index 42e3405b9996..9f27289b7249 100644 --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c @@ -1396,6 +1396,25 @@ static int load_pd_dir(struct i915_request *rq, const struct i915_ppgtt *ppgtt) return 0; } +static int flush_tlb(struct i915_request *rq) +{ + const struct intel_engine_cs * const engine = rq->engine; + u32 *cs; + + cs = intel_ring_begin(rq, 4); + if (IS_ERR(cs)) + return PTR_ERR(cs); + + *cs++ = MI_LOAD_REGISTER_IMM(1); + *cs++ = i915_mmio_reg_offset(RING_INSTPM(engine->mmio_base)); + *cs++ = _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE); + + *cs++ = MI_NOOP; + intel_ring_advance(rq, cs); + + return 0; +} + static inline int mi_set_context(struct i915_request *rq, u32 flags) { struct drm_i915_private *i915 = rq->i915; @@ -1588,16 +1607,28 @@ static int switch_context(struct i915_request *rq) * post-sync op, this extra pass appears vital before a * mm switch! */ - do { - ret = rq->engine->emit_flush(rq, EMIT_FLUSH); - if (ret) - return ret; + ret = rq->engine->emit_flush(rq, EMIT_INVALIDATE); + if (ret) + return ret; + + ret = flush_tlb(rq); + if (ret) + return ret; + do { ret = load_pd_dir(rq, i915_vm_to_ppgtt(vm)); if (ret) return ret; } while (--loops); + ret = flush_tlb(rq); + if (ret) + return ret; + + ret = rq->engine->emit_flush(rq, EMIT_FLUSH); + if (ret) + return ret; + ret = rq->engine->emit_flush(rq, EMIT_INVALIDATE); if (ret) return ret;