From patchwork Thu May 3 06:37:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 10377169 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1AC7D6037D for ; Thu, 3 May 2018 06:39:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0AE1E251F9 for ; Thu, 3 May 2018 06:39:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F3CFE28E2B; Thu, 3 May 2018 06:39:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9E267251F9 for ; Thu, 3 May 2018 06:39:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 762C76E6CF; Thu, 3 May 2018 06:39:08 +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 80F146E6C6 for ; Thu, 3 May 2018 06:39:06 +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 11578267-1500050 for multiple; Thu, 03 May 2018 07:39:04 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Thu, 03 May 2018 07:39:03 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 3 May 2018 07:37:15 +0100 Message-Id: <20180503063757.22238-29-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180503063757.22238-1-chris@chris-wilson.co.uk> References: <20180503063757.22238-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH 29/71] Revert "drm/i915: Avoid tweaking evaluation thresholds on Baytrail v3" 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: , Cc: Len Brown , Jani Nikula , Daniel Vetter , fritsch@xbmc.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP With the vlv sideband fixed to avoid sleeping while we talk to the punit, the system should be much more stable and be able to utilise the punit without risk. This reverts commit 6067a27d1f01 ("drm/i915: Avoid tweaking evaluation thresholds on Baytrail v3") References: 6067a27d1f01 ("drm/i915: Avoid tweaking evaluation thresholds on Baytrail v3") Signed-off-by: Chris Wilson Cc: Ville Syrjälä Cc: Len Brown Cc: Daniel Vetter Cc: Jani Nikula Cc: fritsch@xbmc.org --- drivers/gpu/drm/i915/intel_pm.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5f59cb81d489..f3d88aa7330d 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6355,12 +6355,6 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) ei_down <<= 2; } - /* When byt can survive without system hang with dynamic - * sw freq adjustments, this restriction can be lifted. - */ - if (IS_VALLEYVIEW(dev_priv)) - goto skip_hw_write; - I915_WRITE(GEN6_RP_UP_EI, GT_INTERVAL_FROM_US(dev_priv, ei_up)); I915_WRITE(GEN6_RP_UP_THRESHOLD, @@ -6381,7 +6375,6 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) GEN6_RP_UP_BUSY_AVG | GEN6_RP_DOWN_IDLE_AVG); -skip_hw_write: rps->power = new_power; rps->up_threshold = threshold_up; rps->down_threshold = threshold_down;