From patchwork Thu Dec 7 12:28:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 10098543 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 031EF6056F for ; Thu, 7 Dec 2017 12:29:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 037DD2A263 for ; Thu, 7 Dec 2017 12:29:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1DAE2A475; Thu, 7 Dec 2017 12:28:59 +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=-4.2 required=2.0 tests=BAYES_00, 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 8A5AD2A416 for ; Thu, 7 Dec 2017 12:28:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 06B9C6E7FC; Thu, 7 Dec 2017 12:28:58 +0000 (UTC) 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 ESMTPS id 1C2E86E7F4 for ; Thu, 7 Dec 2017 12:28:55 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Dec 2017 04:28:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,373,1508828400"; d="scan'208";a="10360751" Received: from sutclifx-mobl2.ger.corp.intel.com (HELO mwahaha.ger.corp.intel.com) ([10.252.22.190]) by orsmga003.jf.intel.com with ESMTP; 07 Dec 2017 04:28:53 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Date: Thu, 7 Dec 2017 12:28:36 +0000 Message-Id: <20171207122839.29925-7-matthew.auld@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20171207122839.29925-1-matthew.auld@intel.com> References: <20171207122839.29925-1-matthew.auld@intel.com> Cc: Paulo Zanoni Subject: [Intel-gfx] [PATCH 6/9] drm/i915: make reserved struct resource centric 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 Now that we are using struct resource to track the stolen region, it is more convenient if we track the reserved portion of that region in a resource as well. v2: s/<= end + 1/< end/ (Chris) v3: prefer DEFINE_RES_MEM Signed-off-by: Matthew Auld Cc: Joonas Lahtinen Cc: Chris Wilson Cc: Paulo Zanoni Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 4 ++++ drivers/gpu/drm/i915/i915_gem_gtt.h | 2 -- drivers/gpu/drm/i915/i915_gem_stolen.c | 14 ++++++-------- drivers/gpu/drm/i915/intel_pm.c | 6 ++---- 4 files changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e88fab552278..40171a7da9d9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2258,6 +2258,10 @@ struct drm_i915_private { * some portion of it is in fact reserved for use by hardware functions. */ struct resource dsm; + /** + * Reseved portion of Data Stolen Memory + */ + struct resource dsm_reserved; void __iomem *regs; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 30a2920b1291..db20c72ecfc8 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -382,8 +382,6 @@ struct i915_ggtt { * hardware functions and similarly removed from the accessible range. */ u32 stolen_usable_size; /* Total size minus reserved ranges */ - u32 stolen_reserved_base; - u32 stolen_reserved_size; /** "Graphics Stolen Memory" holds the global PTEs */ void __iomem *gsm; diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index f4824218e40d..1c0d76f73363 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -389,17 +389,15 @@ int i915_gem_init_stolen(struct drm_i915_private *dev_priv) reserved_base = stolen_top; } - if (reserved_base < dev_priv->dsm.start || - reserved_base + reserved_size > stolen_top) { - dma_addr_t reserved_top = reserved_base + reserved_size; - DRM_ERROR("Stolen reserved area [%pad - %pad] outside stolen memory %pR\n", - &reserved_base, &reserved_top, &dev_priv->dsm); + dev_priv->dsm_reserved = + (struct resource) DEFINE_RES_MEM(reserved_base, reserved_size); + + if (!resource_contains(&dev_priv->dsm, &dev_priv->dsm_reserved)) { + DRM_ERROR("Stolen reserved area %pR outside stolen memory %pR\n", + &dev_priv->dsm_reserved, &dev_priv->dsm); return 0; } - ggtt->stolen_reserved_base = reserved_base; - ggtt->stolen_reserved_size = reserved_size; - /* It is possible for the reserved area to end before the end of stolen * memory, so just consider the start. */ reserved_total = stolen_top - reserved_base; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 79b3fd617de0..57dcf8e1ff30 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6416,7 +6416,6 @@ static void valleyview_disable_rps(struct drm_i915_private *dev_priv) static bool bxt_check_bios_rc6_setup(struct drm_i915_private *dev_priv) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; bool enable_rc6 = true; unsigned long rc6_ctx_base; u32 rc_ctl; @@ -6441,9 +6440,8 @@ static bool bxt_check_bios_rc6_setup(struct drm_i915_private *dev_priv) * for this check. */ rc6_ctx_base = I915_READ(RC6_CTX_BASE) & RC6_CTX_BASE_MASK; - if (!((rc6_ctx_base >= ggtt->stolen_reserved_base) && - (rc6_ctx_base + PAGE_SIZE <= ggtt->stolen_reserved_base + - ggtt->stolen_reserved_size))) { + if (!((rc6_ctx_base >= dev_priv->dsm_reserved.start) && + (rc6_ctx_base + PAGE_SIZE < dev_priv->dsm_reserved.end))) { DRM_DEBUG_DRIVER("RC6 Base address not as expected.\n"); enable_rc6 = false; }