From patchwork Mon Oct 3 08:39:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 9360251 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 71E4F601C0 for ; Mon, 3 Oct 2016 08:39:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 56D7528497 for ; Mon, 3 Oct 2016 08:39:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B44628687; Mon, 3 Oct 2016 08:39:31 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID 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 CE7F628497 for ; Mon, 3 Oct 2016 08:39:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 514E46E50E; Mon, 3 Oct 2016 08:39:28 +0000 (UTC) X-Original-To: Intel-gfx@lists.freedesktop.org Delivered-To: Intel-gfx@lists.freedesktop.org Received: from mail-wm0-x243.google.com (mail-wm0-x243.google.com [IPv6:2a00:1450:400c:c09::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id E102E6E50E for ; Mon, 3 Oct 2016 08:39:25 +0000 (UTC) Received: by mail-wm0-x243.google.com with SMTP id p138so13507526wmb.0 for ; Mon, 03 Oct 2016 01:39:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ursulin-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=g9+JsgHL7JLl1Z7TlEnRepCgOz45pZ52GI/w59Byosk=; b=qQ+JRTPS18rRX4X+3imgcuOMStEKVIu5WNaNgGr8+OLlOXD1+w/Is27yJIIj2udZ1E i72VzazjdCcGPhlN+Bdx00aJDg5lZjbMTL7V6uFoLeH5e5fv1v3f5m+cZsDhERKcp+og 9q68D1dgUSek1RdVGpXw/J7cjCHHnZQKpD2lgYhl9k+C4OyezxUf6hq/Ax+eQCYt9GIa b0ok0Qu3UKRi9LUMXLDKNzKyMb3wqp9Mz9id67IIVnb1b1FK4mcqZPOvN+ohtSdfi0UT 99ZH2WgH3PB5hmtz11PIZa9XZxg1TtNFjcWuadK3EDx6fMTshwnJ4vkpLjmW9izkKS4A fnUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=g9+JsgHL7JLl1Z7TlEnRepCgOz45pZ52GI/w59Byosk=; b=Ty/pSX5+O4QIlDjkrq2RC6ApnXRiG6Byjz92878kTx5wtrR8LqBT5U8dw5cCCgsEsM 9DfbCZGKe8337Fal8GEa45tp32lToAIabB2qJPLARxtvPyOO60Gng9B+sRP8wxL6ZBcQ bW8/8VcdPxoyQLI3iwNzmIiWFLszj9Lx1qysstUjVvTYK9a/mt9aj59BTqJTeq9M1uRa XHzFQioVDZyaQeReHOkKpcgxqkKHKoqVMqKFtWbSWaDZ7ieYxsq3bjDcdayLyyVJ4Dww qyfmHygSp3GdeScRzi2aUZ3msBkUYEqR1ZZAR/36tbqaseQfJMnnvP3pGRfAj6jTyXRk gIvQ== X-Gm-Message-State: AA6/9RlpCJWp/P3H8TV0qs+8QOh1/jxoJsq5hTJoKK4pVXsVBMOe7YnhFCFtyhpjF5XiVA== X-Received: by 10.194.79.97 with SMTP id i1mr703389wjx.222.1475483964440; Mon, 03 Oct 2016 01:39:24 -0700 (PDT) Received: from localhost.localdomain ([2a02:c7d:9b6d:e300:916a:6cab:ac67:71c2]) by smtp.gmail.com with ESMTPSA id rk14sm33122591wjb.6.2016.10.03.01.39.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Oct 2016 01:39:24 -0700 (PDT) From: Tvrtko Ursulin X-Google-Original-From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Mon, 3 Oct 2016 09:39:16 +0100 Message-Id: <1475483956-8246-1-git-send-email-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475257729-11283-9-git-send-email-tvrtko.ursulin@linux.intel.com> References: <1475257729-11283-9-git-send-email-tvrtko.ursulin@linux.intel.com> Subject: [Intel-gfx] [PATCH 08/14] drm/i915: Store the active forcewake range table pointer 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: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Tvrtko Ursulin If we store this in the uncore structure we are on a good way to show more commonality between the per-platform implementations. v2: Constify table pointer and correct coding style. (Chris Wilson) v3: Rebase. Signed-off-by: Tvrtko Ursulin Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 10 ++++++ drivers/gpu/drm/i915/intel_uncore.c | 68 ++++++++++++++++++------------------- 2 files changed, 44 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9b1997fd8c87..3b14938aa09e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -582,9 +582,19 @@ struct intel_uncore_funcs { uint32_t val, bool trace); }; +struct intel_forcewake_range { + u32 start; + u32 end; + + enum forcewake_domains domains; +}; + struct intel_uncore { spinlock_t lock; /** lock is also taken in irq contexts. */ + const struct intel_forcewake_range *fw_domains_table; + unsigned int fw_domains_table_entries; + struct intel_uncore_funcs funcs; unsigned fifo_count; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index ba90a7e9d3b2..c813bdef8ded 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -582,14 +582,6 @@ void assert_forcewakes_inactive(struct drm_i915_private *dev_priv) __fwd; \ }) -struct intel_forcewake_range -{ - u32 start; - u32 end; - - enum forcewake_domains domains; -}; - static int fw_range_cmp(const void *key, const void *elt) { const struct intel_forcewake_range *entry = elt; @@ -604,28 +596,38 @@ static int fw_range_cmp(const void *key, const void *elt) } static enum forcewake_domains -find_fw_domain(u32 offset, const struct intel_forcewake_range *ranges, - unsigned int num_ranges) +find_fw_domain(struct drm_i915_private *dev_priv, u32 offset) { - struct intel_forcewake_range *entry; + const struct intel_forcewake_range *table, *entry; + unsigned int num_entries; - entry = bsearch((void *)(unsigned long)offset, (const void *)ranges, - num_ranges, sizeof(struct intel_forcewake_range), + table = dev_priv->uncore.fw_domains_table; + num_entries = dev_priv->uncore.fw_domains_table_entries; + + entry = bsearch((void *)(unsigned long)offset, (const void *)table, + num_entries, sizeof(struct intel_forcewake_range), fw_range_cmp); return entry ? entry->domains : 0; } static void -intel_fw_table_check(const struct intel_forcewake_range *ranges, - unsigned int num_ranges) +intel_fw_table_check(struct drm_i915_private *dev_priv) { + const struct intel_forcewake_range *ranges; + unsigned int num_ranges; s32 prev; unsigned int i; if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG)) return; + ranges = dev_priv->uncore.fw_domains_table; + if (!ranges) + return; + + num_ranges = dev_priv->uncore.fw_domains_table_entries; + for (i = 0, prev = -1; i < num_ranges; i++, ranges++) { WARN_ON_ONCE(prev >= (s32)ranges->start); prev = ranges->start; @@ -652,8 +654,7 @@ static const struct intel_forcewake_range __vlv_fw_ranges[] = { ({ \ enum forcewake_domains __fwd = 0; \ if (NEEDS_FORCE_WAKE((offset))) \ - __fwd = find_fw_domain(offset, __vlv_fw_ranges, \ - ARRAY_SIZE(__vlv_fw_ranges)); \ + __fwd = find_fw_domain(dev_priv, offset); \ __fwd; \ }) @@ -711,8 +712,7 @@ static const struct intel_forcewake_range __chv_fw_ranges[] = { ({ \ enum forcewake_domains __fwd = 0; \ if (NEEDS_FORCE_WAKE((offset))) \ - __fwd = find_fw_domain(offset, __chv_fw_ranges, \ - ARRAY_SIZE(__chv_fw_ranges)); \ + __fwd = find_fw_domain(dev_priv, offset); \ __fwd; \ }) @@ -720,8 +720,7 @@ static const struct intel_forcewake_range __chv_fw_ranges[] = { ({ \ enum forcewake_domains __fwd = 0; \ if (NEEDS_FORCE_WAKE((offset)) && !is_gen8_shadowed(offset)) \ - __fwd = find_fw_domain(offset, __chv_fw_ranges, \ - ARRAY_SIZE(__chv_fw_ranges)); \ + __fwd = find_fw_domain(dev_priv, offset); \ __fwd; \ }) @@ -765,8 +764,7 @@ static const struct intel_forcewake_range __gen9_fw_ranges[] = { ({ \ enum forcewake_domains __fwd = 0; \ if (NEEDS_FORCE_WAKE((offset))) \ - __fwd = find_fw_domain(offset, __gen9_fw_ranges, \ - ARRAY_SIZE(__gen9_fw_ranges)); \ + __fwd = find_fw_domain(dev_priv, offset); \ __fwd; \ }) @@ -794,8 +792,7 @@ static bool is_gen9_shadowed(u32 offset) ({ \ enum forcewake_domains __fwd = 0; \ if (NEEDS_FORCE_WAKE((offset)) && !is_gen9_shadowed(offset)) \ - __fwd = find_fw_domain(offset, __gen9_fw_ranges, \ - ARRAY_SIZE(__gen9_fw_ranges)); \ + __fwd = find_fw_domain(dev_priv, offset); \ __fwd; \ }) @@ -1318,6 +1315,13 @@ static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv) WARN_ON(dev_priv->uncore.fw_domains == 0); } +#define ASSIGN_FW_DOMAINS_TABLE(d) \ +{ \ + dev_priv->uncore.fw_domains_table = \ + (struct intel_forcewake_range *)(d); \ + dev_priv->uncore.fw_domains_table_entries = ARRAY_SIZE((d)); \ +} + void intel_uncore_init(struct drm_i915_private *dev_priv) { i915_check_vgpu(dev_priv); @@ -1331,17 +1335,13 @@ void intel_uncore_init(struct drm_i915_private *dev_priv) switch (INTEL_INFO(dev_priv)->gen) { default: case 9: - intel_fw_table_check(__gen9_fw_ranges, - ARRAY_SIZE(__gen9_fw_ranges)); - + ASSIGN_FW_DOMAINS_TABLE(__gen9_fw_ranges); ASSIGN_WRITE_MMIO_VFUNCS(gen9); ASSIGN_READ_MMIO_VFUNCS(gen9); break; case 8: if (IS_CHERRYVIEW(dev_priv)) { - intel_fw_table_check(__chv_fw_ranges, - ARRAY_SIZE(__chv_fw_ranges)); - + ASSIGN_FW_DOMAINS_TABLE(__chv_fw_ranges); ASSIGN_WRITE_MMIO_VFUNCS(chv); ASSIGN_READ_MMIO_VFUNCS(chv); @@ -1355,9 +1355,7 @@ void intel_uncore_init(struct drm_i915_private *dev_priv) ASSIGN_WRITE_MMIO_VFUNCS(gen6); if (IS_VALLEYVIEW(dev_priv)) { - intel_fw_table_check(__vlv_fw_ranges, - ARRAY_SIZE(__vlv_fw_ranges)); - + ASSIGN_FW_DOMAINS_TABLE(__vlv_fw_ranges); ASSIGN_READ_MMIO_VFUNCS(vlv); } else { ASSIGN_READ_MMIO_VFUNCS(gen6); @@ -1375,6 +1373,8 @@ void intel_uncore_init(struct drm_i915_private *dev_priv) break; } + intel_fw_table_check(dev_priv); + if (intel_vgpu_active(dev_priv)) { ASSIGN_WRITE_MMIO_VFUNCS(vgpu); ASSIGN_READ_MMIO_VFUNCS(vgpu);