From patchwork Fri Jul 11 17:30:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 4538391 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 41B65C0515 for ; Sat, 12 Jul 2014 00:28:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E505720254 for ; Sat, 12 Jul 2014 00:28:45 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id CAB2120260 for ; Sat, 12 Jul 2014 00:28:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C84B66E231; Fri, 11 Jul 2014 17:28:41 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 6EBF66E216 for ; Fri, 11 Jul 2014 17:28:40 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 11 Jul 2014 17:28:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,646,1400050800"; d="scan'208";a="542272137" Received: from di-604.jf.intel.com (HELO rdvivi-hillsboro.jf.intel.com) ([10.7.201.28]) by orsmga001.jf.intel.com with ESMTP; 11 Jul 2014 17:28:35 -0700 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Fri, 11 Jul 2014 10:30:09 -0700 Message-Id: <1405099819-11119-1-git-send-email-rodrigo.vivi@intel.com> X-Mailer: git-send-email 1.9.3 Cc: Daniel Vetter , Rodrigo Vivi Subject: [Intel-gfx] [PATCH 01/11] drm/i915: Run psr_setup unconditionally X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Daniel Vetter Due to runtime pm and system s/r we need to restore hw state every time we enable a pipe again. Hence trying to avoid that is just pointless book-keeping which Rodrigo then tried to work around by manually adding psr_setup calls to our resume code. Much simpler to just remove code instead. v2: Properly bail out of psr exit if psr isn't enabled. Spotted by Rodrigo. Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_drv.h | 1 - drivers/gpu/drm/i915/intel_dp.c | 7 +------ 2 files changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a89c912..91f137f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -657,7 +657,6 @@ struct i915_drrs { struct i915_psr { bool sink_support; bool source_ok; - bool setup_done; bool enabled; bool active; struct delayed_work work; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index ae3737c..302cdaa 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1714,9 +1714,6 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = dev->dev_private; struct edp_vsc_psr psr_vsc; - if (dev_priv->psr.setup_done) - return; - /* Prepare VSC packet as per EDP 1.3 spec, Table 3.10 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); psr_vsc.sdp_header.HB0 = 0; @@ -1728,8 +1725,6 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp) /* Avoid continuous PSR exit by masking memup and hpd */ I915_WRITE(EDP_PSR_DEBUG_CTL(dev), EDP_PSR_DEBUG_MASK_MEMUP | EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); - - dev_priv->psr.setup_done = true; } static void intel_edp_psr_enable_sink(struct intel_dp *intel_dp) @@ -1961,7 +1956,7 @@ void intel_edp_psr_exit(struct drm_device *dev) if (!HAS_PSR(dev)) return; - if (!dev_priv->psr.setup_done) + if (!dev_priv->psr.enabled) return; cancel_delayed_work_sync(&dev_priv->psr.work);