From patchwork Thu Aug 5 10:39:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12420817 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=-16.6 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=ham 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 49F6EC4338F for ; Thu, 5 Aug 2021 10:40:10 +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 19A966105A for ; Thu, 5 Aug 2021 10:40:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 19A966105A 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 509456E5B9; Thu, 5 Aug 2021 10:40:01 +0000 (UTC) Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8FCFE6E5A3 for ; Thu, 5 Aug 2021 10:39:25 +0000 (UTC) Received: by mail-ed1-x534.google.com with SMTP id b7so7704578edu.3 for ; Thu, 05 Aug 2021 03:39:25 -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=M6ohG+idAqy15wfuxeRZHTWTR38bHKJwynIyoraQI9vNb0jOe4zf5tVB/LA5qJg6th 8Y6Cv3RAQZGyjYYKI+zW42NcKmfKJHKn4gvA3DZCaPqe0zwtRUgklNJu/bQ28MQq1ibB p5vHQWe1EKVxr5vnx3mQ/iE7WU1AEjq3weVO0= 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=D3aApZ+PO2foJfutQlJr8B9I8VqvEGM2ZbKUxUyX7QIVR+2SXP0wQ1xFa4utea2fiG TWUOm7MtFwDijls7m6MWIkx17OjNd+740qiMU7OqR1AVPYDZM4mnO1DWDtM8YjpvgT50 ZINYS3Zpr3mQy0yTS2WU/CmHsKnSe5cyuovzOcDpoB6sXE4J57UPdgpUhm7U4rH0SRxS 9Dij1u9k5xT+HFkav0pUuy0UAK5E9k5RVUTcGr3WR0fw/5UK5WYcjbZj1EebghETLRZU reAduCly4/vLDBPm3QH6Eq+8An/GwzzULsNGhJVvUFnjQwMIakQDCFH9Cc+GcLujvhrE au1Q== X-Gm-Message-State: AOAM531AcLpcZs57spiTnerp8cbUMDsBHU3KMkIlMQ8XFbsU1qjjfbEz ZfNm0M1UkZ4EYxelPO10VkBnTfQUSVOI+w== X-Google-Smtp-Source: ABdhPJwNBOwHcfoSa8r7HghfIMuc2j7/+6j9feXb3Uom2t6cw7MT4X3uejo7sJM4LWo51SBvng4jYA== X-Received: by 2002:aa7:cf98:: with SMTP id z24mr5736833edx.136.1628159964120; Thu, 05 Aug 2021 03:39:24 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id j22sm1593727ejt.11.2021.08.05.03.39.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Aug 2021 03:39:23 -0700 (PDT) From: Daniel Vetter To: Intel Graphics Development Cc: 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: Thu, 5 Aug 2021 12:39:11 +0200 Message-Id: <20210805103916.860853-4-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210805103916.860853-1-daniel.vetter@ffwll.ch> References: <20210805103916.860853-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 3/8] 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: