From patchwork Fri Nov 13 19:53:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanoni, Paulo R" X-Patchwork-Id: 7614191 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 DD8A5C05CA for ; Fri, 13 Nov 2015 19:54:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0E29A20649 for ; Fri, 13 Nov 2015 19:54:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 39E3F20645 for ; Fri, 13 Nov 2015 19:54:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 962C96F15F; Fri, 13 Nov 2015 11:54:37 -0800 (PST) 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 AC3DB6F15F for ; Fri, 13 Nov 2015 11:54:34 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 13 Nov 2015 11:54:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,289,1444719600"; d="scan'208";a="819402943" Received: from jh1011-mobl1.gar.corp.intel.com (HELO panetone.amr.corp.intel.com) ([10.252.192.177]) by orsmga001.jf.intel.com with ESMTP; 13 Nov 2015 11:54:33 -0800 From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Fri, 13 Nov 2015 17:53:42 -0200 Message-Id: <1447444424-17168-11-git-send-email-paulo.r.zanoni@intel.com> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1447444424-17168-1-git-send-email-paulo.r.zanoni@intel.com> References: <1447444424-17168-1-git-send-email-paulo.r.zanoni@intel.com> Subject: [Intel-gfx] [PATCH 10/12] drm/i915: kill fbc.uncompressed_size 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-Spam-Status: No, score=-4.5 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 Directly call intel_fbc_calculate_cfb_size() in the only place that actually needs it, and use the proper check before removing the stolen node. IMHO, this change makes our code easier to understand. Signed-off-by: Paulo Zanoni Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 1 - drivers/gpu/drm/i915/intel_fbc.c | 13 ++++--------- 2 files changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ea08714..43649c5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -901,7 +901,6 @@ struct i915_fbc { /* This is always the inner lock when overlapping with struct_mutex and * it's the outer lock when overlapping with stolen_lock. */ struct mutex lock; - unsigned long uncompressed_size; unsigned threshold; unsigned int fb_id; unsigned int possible_framebuffer_bits; diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 72de8a1..d18eb80 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -139,7 +139,7 @@ static void i8xx_fbc_activate(struct intel_crtc *crtc) dev_priv->fbc.active = true; /* Note: fbc.threshold == 1 for i8xx */ - cfb_pitch = dev_priv->fbc.uncompressed_size / FBC_LL_SIZE; + cfb_pitch = intel_fbc_calculate_cfb_size(crtc, fb) / FBC_LL_SIZE; if (fb->pitches[0] < cfb_pitch) cfb_pitch = fb->pitches[0]; @@ -626,8 +626,6 @@ static int intel_fbc_alloc_cfb(struct intel_crtc *crtc) dev_priv->mm.stolen_base + compressed_llb->start); } - dev_priv->fbc.uncompressed_size = size; - DRM_DEBUG_KMS("reserved %llu bytes of contiguous stolen space for FBC, threshold: %d\n", dev_priv->fbc.compressed_fb.size, dev_priv->fbc.threshold); @@ -644,18 +642,15 @@ err_llb: static void __intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv) { - if (dev_priv->fbc.uncompressed_size == 0) - return; - - i915_gem_stolen_remove_node(dev_priv, &dev_priv->fbc.compressed_fb); + if (dev_priv->fbc.compressed_fb.allocated) + i915_gem_stolen_remove_node(dev_priv, + &dev_priv->fbc.compressed_fb); if (dev_priv->fbc.compressed_llb) { i915_gem_stolen_remove_node(dev_priv, dev_priv->fbc.compressed_llb); kfree(dev_priv->fbc.compressed_llb); } - - dev_priv->fbc.uncompressed_size = 0; } void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)