From patchwork Thu Oct 22 12:34:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 7464891 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F36EEBEEA4 for ; Thu, 22 Oct 2015 12:35:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2294F2056E for ; Thu, 22 Oct 2015 12:35:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 2D0162054C for ; Thu, 22 Oct 2015 12:35:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BB5D76EF9D; Thu, 22 Oct 2015 05:35:49 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 67C176EF9D for ; Thu, 22 Oct 2015 05:35:48 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 22 Oct 2015 05:35:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,182,1444719600"; d="scan'208";a="800146872" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga001.jf.intel.com with SMTP; 22 Oct 2015 05:35:17 -0700 Received: by stinkbox (sSMTP sendmail emulation); Thu, 22 Oct 2015 15:35:14 +0300 From: ville.syrjala@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Thu, 22 Oct 2015 15:34:59 +0300 Message-Id: <1445517300-28173-5-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.4.9 In-Reply-To: <1445517300-28173-1-git-send-email-ville.syrjala@linux.intel.com> References: <1445517300-28173-1-git-send-email-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/5] drm/i915: Respin vlv/chv reagister access to look more like SKL X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, 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: Ville Syrjälä Change the fw domain handling in the vlv/chv register read/write functions to look more like the SKL code, ie. have a single __force_wake_get() get call instead of multiple ones. Signed-off-by: Ville Syrjälä Reviewed-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_uncore.c | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 57af2c4..f38e88b 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -724,11 +724,14 @@ gen6_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ #define __vlv_read(x) \ static u##x \ vlv_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ + enum forcewake_domains fw_engine = 0; \ GEN6_READ_HEADER(x); \ if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_RENDER); \ + fw_engine = FORCEWAKE_RENDER; \ else if (FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_MEDIA); \ + fw_engine = FORCEWAKE_MEDIA; \ + if (fw_engine) \ + __force_wake_get(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ GEN6_READ_FOOTER; \ } @@ -736,14 +739,16 @@ vlv_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ #define __chv_read(x) \ static u##x \ chv_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ + enum forcewake_domains fw_engine = 0; \ GEN6_READ_HEADER(x); \ if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_RENDER); \ + fw_engine = FORCEWAKE_RENDER; \ else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_MEDIA); \ + fw_engine = FORCEWAKE_MEDIA; \ else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, \ - FORCEWAKE_RENDER | FORCEWAKE_MEDIA); \ + fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + if (fw_engine) \ + __force_wake_get(dev_priv, fw_engine); \ val = __raw_i915_read##x(dev_priv, reg); \ GEN6_READ_FOOTER; \ } @@ -928,16 +933,18 @@ gen8_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace #define __chv_write(x) \ static void \ chv_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace) { \ - bool shadowed = is_gen8_shadowed(dev_priv, reg); \ + enum forcewake_domains fw_engine = 0; \ GEN6_WRITE_HEADER; \ - if (!shadowed) { \ - if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_RENDER); \ - else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_MEDIA); \ - else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(reg)) \ - __force_wake_get(dev_priv, FORCEWAKE_RENDER | FORCEWAKE_MEDIA); \ - } \ + if (is_gen8_shadowed(dev_priv, reg)) \ + fw_engine = 0; \ + else if (FORCEWAKE_CHV_RENDER_RANGE_OFFSET(reg)) \ + fw_engine = FORCEWAKE_RENDER; \ + else if (FORCEWAKE_CHV_MEDIA_RANGE_OFFSET(reg)) \ + fw_engine = FORCEWAKE_MEDIA; \ + else if (FORCEWAKE_CHV_COMMON_RANGE_OFFSET(reg)) \ + fw_engine = FORCEWAKE_RENDER | FORCEWAKE_MEDIA; \ + if (fw_engine) \ + __force_wake_get(dev_priv, fw_engine); \ __raw_i915_write##x(dev_priv, reg, val); \ GEN6_WRITE_FOOTER; \ }