From patchwork Thu Jul 8 15:48:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Ekstrand X-Patchwork-Id: 12365543 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=-16.8 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 2D1AFC07E99 for ; Thu, 8 Jul 2021 15:49:23 +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 F37AC61483 for ; Thu, 8 Jul 2021 15:49:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F37AC61483 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=jlekstrand.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 77ADC6E90C; Thu, 8 Jul 2021 15:48:58 +0000 (UTC) Received: from mail-oi1-x231.google.com (mail-oi1-x231.google.com [IPv6:2607:f8b0:4864:20::231]) by gabe.freedesktop.org (Postfix) with ESMTPS id F1AC76E902 for ; Thu, 8 Jul 2021 15:48:55 +0000 (UTC) Received: by mail-oi1-x231.google.com with SMTP id w127so8288620oig.12 for ; Thu, 08 Jul 2021 08:48:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jlekstrand-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QOIZ7V91fLIl8fTP/re+L3I3ujQ1EjA9kvT8GvYB6UA=; b=OoWoaoHcaEwkTMQb7hHufzmnLVSGpGL+jLHQWJ+9pWdzJa+k9R9yunTNDpJq4SdigR iOwz+0K2UTf8MC3C2JNL/HYtsic40XtKwnmeolQDEwgBrr61NUdeAlss+41NN4PA3tbQ lJl/Z4dtzwX8N9WEDQctDyuOF4C2eYnJu+nvuS20PBYo/r7bF/q27Ndq72KMyIakn24l n2YNdSHlrHWb+trE/4NtvK9Iloc9Yo5RMGxtAMnC7yQWerQ1/WINCORL9RQ8DtBvojeN +GZ8nw4FlvnaAV7Mo4lLXPLrrV3TNSPlG3JD65Ur8Nq92Lm6hn1CTR5zGlp0EoplpDaf +v0w== 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=QOIZ7V91fLIl8fTP/re+L3I3ujQ1EjA9kvT8GvYB6UA=; b=hpi6Uh2/2L9I+x+0be9JXBLGtwlYOxqdvh+uOJWpxTAisYaSxhTXfivIMhqke1d0/M rObqiXF6X0sPJSLoLQVE6x6an8/W2rbxEI+kMxi0/bGOxa7yJcW/G1w4sFfWEQGd4R5t 9JVU4qNMaXrsLV6uaLvMReNFutPp0m/r5SFeCOmqtJkP4BTy7U7b1H4rFeLT+ng+yZV8 zwib0omBVA+koGB6HRNdFMHhCcxsGxoYKr24K3869TVSG9L2WFbVWLrcoFyZhNI7XA7n dxdJKJ8w/raC+ZXMihrWfp0gjMGcroRP8nbKc3wxnMC03o9CsVA65pWhRUhamnOeAf7Q +dDg== X-Gm-Message-State: AOAM531GFsCo2lStFF2DzyD49btdIEok6MlAdMr+XeJAc7l0AJUGUKtE OSEZFaQRu4gCInCG57xQ84j65lPjlRrk5A== X-Google-Smtp-Source: ABdhPJwSHj5H3ZyeFNxiBt7T2O4YVejum3NLubYEWtfyAPwWC5VOJqBxQwAacLl7bU7UEmHMAdJm5g== X-Received: by 2002:aca:c041:: with SMTP id q62mr4188414oif.158.1625759334912; Thu, 08 Jul 2021 08:48:54 -0700 (PDT) Received: from omlet.lan ([68.203.99.148]) by smtp.gmail.com with ESMTPSA id d20sm548356otq.62.2021.07.08.08.48.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jul 2021 08:48:54 -0700 (PDT) From: Jason Ekstrand To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 8 Jul 2021 10:48:19 -0500 Message-Id: <20210708154835.528166-15-jason@jlekstrand.net> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210708154835.528166-1-jason@jlekstrand.net> References: <20210708154835.528166-1-jason@jlekstrand.net> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 14/30] drm/i915/gem: Add a separate validate_priority helper 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: , Cc: Daniel Vetter Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" With the proto-context stuff added later in this series, we end up having to duplicate set_priority. This lets us avoid duplicating the validation logic. Signed-off-by: Jason Ekstrand Reviewed-by: Daniel Vetter --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 42 +++++++++++++-------- 1 file changed, 27 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 61fe6d18d4068..f9a6eac78c0ae 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -169,6 +169,28 @@ lookup_user_engine(struct i915_gem_context *ctx, return i915_gem_context_get_engine(ctx, idx); } +static int validate_priority(struct drm_i915_private *i915, + const struct drm_i915_gem_context_param *args) +{ + s64 priority = args->value; + + if (args->size) + return -EINVAL; + + if (!(i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY)) + return -ENODEV; + + if (priority > I915_CONTEXT_MAX_USER_PRIORITY || + priority < I915_CONTEXT_MIN_USER_PRIORITY) + return -EINVAL; + + if (priority > I915_CONTEXT_DEFAULT_PRIORITY && + !capable(CAP_SYS_NICE)) + return -EPERM; + + return 0; +} + static struct i915_address_space * context_get_vm_rcu(struct i915_gem_context *ctx) { @@ -1744,23 +1766,13 @@ static void __apply_priority(struct intel_context *ce, void *arg) static int set_priority(struct i915_gem_context *ctx, const struct drm_i915_gem_context_param *args) { - s64 priority = args->value; - - if (args->size) - return -EINVAL; - - if (!(ctx->i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY)) - return -ENODEV; - - if (priority > I915_CONTEXT_MAX_USER_PRIORITY || - priority < I915_CONTEXT_MIN_USER_PRIORITY) - return -EINVAL; + int err; - if (priority > I915_CONTEXT_DEFAULT_PRIORITY && - !capable(CAP_SYS_NICE)) - return -EPERM; + err = validate_priority(ctx->i915, args); + if (err) + return err; - ctx->sched.priority = priority; + ctx->sched.priority = args->value; context_apply_all(ctx, __apply_priority, ctx); return 0;