From patchwork Mon Aug 2 15:48:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12414295 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0583AC4320E for ; Mon, 2 Aug 2021 15:48:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8B2D2610FF for ; Mon, 2 Aug 2021 15:48:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8B2D2610FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AE1956E185; Mon, 2 Aug 2021 15:48:42 +0000 (UTC) Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by gabe.freedesktop.org (Postfix) with ESMTPS id 690856E185 for ; Mon, 2 Aug 2021 15:48:41 +0000 (UTC) Received: by mail-ej1-x636.google.com with SMTP id e19so31608840ejs.9 for ; Mon, 02 Aug 2021 08:48:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Nl7Irs71vJM1YfQMLmrkQe1rncHUCMW4+W0FSdH/emo=; b=bcjMHaD7lBwNjpUJnt6nNj2zB249DzfUhvbz9u+/apMCW+0TOjiaDcR7e6wjJP4blE 1cDLMlLMtPc53fSQMdvbIDOieZFZsnsjHjReAclPRyRrQP703FzDB2iZjsUsUY7LZTwy vV/cL/salYAXVBTUlW5UooVP+72gPE/alWICw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Nl7Irs71vJM1YfQMLmrkQe1rncHUCMW4+W0FSdH/emo=; b=pqLnrD0YD48HGG6BhR9MvvjphepG7Cq4oiblGJPLPYrJx4Iir+TSnRjsPvpMK0khrD RyRGWBsg3KUn3hCwVzcCVpyFYoeHvjT2+JM+v0L9kPyDZ12xiGL8xwm++zxMX2u1cADt 5OmELAABaEE7qACXVrns8CCL5LgPzxfx24k6pk4+WGu5W5OCaqWzxQd59PdzrS4rjQiY vZjbaj5i2TryxbyUH2+J6Rs9OuaBOy24eX4gNjG4MEW/buKrPiFJOtReKDp0Kmpe+uh8 OJI4WllLKssCMEN0u3JjhVDv4+P+B+QrQU0jXnV3KFAFtGOx71B0QchS8zHd1YhvvtyT iOog== X-Gm-Message-State: AOAM531NdqCykPUE/c5Yx7wUuIWiH7b07r4V+gloJQD7Oq1uGA1uPTJQ 1Ip782nCFV66KEqDzG15gWcUlQ== X-Google-Smtp-Source: ABdhPJx/cCVDqBdHmUYokXzmzYUV9HGcgFn2GtG5vbbgLNU2h9oB02+1PKbnd+07YJJ4b/aacFk2Qw== X-Received: by 2002:a17:906:85c2:: with SMTP id i2mr16083602ejy.397.1627919320016; Mon, 02 Aug 2021 08:48:40 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id m20sm5064020edv.67.2021.08.02.08.48.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Aug 2021 08:48:39 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , Daniel Vetter , Daniel Vetter , Jon Bloomfield , Chris Wilson , Maarten Lankhorst , Joonas Lahtinen , =?utf-8?q?Thomas_Hellstr?= =?utf-8?q?=C3=B6m?= , Matthew Auld , Lionel Landwerlin , Dave Airlie , Jason Ekstrand Date: Mon, 2 Aug 2021 17:48:00 +0200 Message-Id: <20210802154806.3710472-4-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210802154806.3710472-1-daniel.vetter@ffwll.ch> References: <20210802154806.3710472-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/9] drm/i915: Use i915_gem_context_get_eb_vm in ctx_getparam X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 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" Consolidates the "which is the vm my execbuf runs in" code a bit. We do some get/put which isn't really required, but all the other users want the refcounting, and I figured doing a function just for this getparam to avoid 2 atomis is a bit much. Signed-off-by: Daniel Vetter Cc: Jon Bloomfield Cc: Chris Wilson Cc: Maarten Lankhorst Cc: Joonas Lahtinen Cc: Daniel Vetter Cc: "Thomas Hellström" Cc: Matthew Auld Cc: Lionel Landwerlin Cc: Dave Airlie Cc: Jason Ekstrand --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index cff72679ad7c..6263563e15d6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -2124,6 +2124,7 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, struct drm_i915_file_private *file_priv = file->driver_priv; struct drm_i915_gem_context_param *args = data; struct i915_gem_context *ctx; + struct i915_address_space *vm; int ret = 0; ctx = i915_gem_context_lookup(file_priv, args->ctx_id); @@ -2133,12 +2134,10 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, switch (args->param) { case I915_CONTEXT_PARAM_GTT_SIZE: args->size = 0; - rcu_read_lock(); - if (rcu_access_pointer(ctx->vm)) - args->value = rcu_dereference(ctx->vm)->total; - else - args->value = to_i915(dev)->ggtt.vm.total; - rcu_read_unlock(); + vm = i915_gem_context_get_eb_vm(ctx); + args->value = vm->total; + i915_vm_put(vm); + break; case I915_CONTEXT_PARAM_NO_ERROR_CAPTURE: