From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 59975C433E2 for ; Sat, 5 Sep 2020 20:04:21 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 121722074D for ; Sat, 5 Sep 2020 20:04:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Pgxi12h6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 121722074D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id B5851214E6; Sat, 5 Sep 2020 20:04:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C-TwL4d3eeSE; Sat, 5 Sep 2020 20:04:18 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 45F022079C; Sat, 5 Sep 2020 20:04:17 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 23E38C07FF; Sat, 5 Sep 2020 20:04:17 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id D78D3C0051 for ; Sat, 5 Sep 2020 20:04:15 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id D3F5485F75 for ; Sat, 5 Sep 2020 20:04:15 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mtpKextdu78m for ; Sat, 5 Sep 2020 20:04:14 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 33FEB85F7F for ; Sat, 5 Sep 2020 20:04:14 +0000 (UTC) Received: by mail-pl1-f195.google.com with SMTP id q3so811026plr.13 for ; Sat, 05 Sep 2020 13:04:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1Q47ukcJzkHpzBjpNbJvoMilwFH+uM/O3Jth4yphYqs=; b=Pgxi12h6rmsySZ7sE4QfM3sJtea77Ohu+ZjK1LQOAD7dAD+nFZa7lj42arNQQqS7vL Z5Rzbt+QbyUwyiiYACjtZ+lkHEd79gC4ygb2v7YWM75mwrYrvdvlJKckY1tXPjlZb0uX 1WnFMpziw+wrJ26urjDh4ZP+CnRjYNhHSMNOlnKp3mZZdOZ9ZRFsyEmeYdy5vwivuGqV 9auTKiu0c1C2on3MXFipmRoWJGFZTigClHcs5eoQf4uR39XsSq4UDB4qn934zPb+Hlpc aSZYUxN8yQF1qJFfoM4IMUuJZ23G9PZpPOJA1FfKPnz8PFnIOiaYFNNhFEIWM0qFC6FQ rA6w== 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=1Q47ukcJzkHpzBjpNbJvoMilwFH+uM/O3Jth4yphYqs=; b=Hssa8s0CnU2VCGvnYKslVqr/iXBv770RG2MifwaTwX2s+Be25GBIOIG+Nos0HkwuUg AA/j8wV8/SKNCErLOm04NS71M+zNsU6f9U8dKwfmJy0gk0egy0pYmonJmTJrNKqIbZqB qxjntyKtjXRGSvEwgfnHVFwA0yw7haCQpdd+/Xct72mvPMYKK82y9RkJhn3nRD6T8XOR l+v+DwkZVdq6aHwjA3Y6TXoVC65LY0gl7RoUyteEMcga13e9eYEBJZYGSnJ2KhdNw6CB /OMWjY0xaFciGJ5a2sNA9UC0ED7ma7kVHTDICnWoaI3T2kNjKgo7EZou3+G487o8/S6J LADg== X-Gm-Message-State: AOAM530rd2FuY6ufZB5g7RZBpjA8bVXtug5PXWdlDdOqmxqxd1QBExzp Z1XAGsDPlujEGNg8IHbYiZ39xKvuISZcj6Cv X-Google-Smtp-Source: ABdhPJyd3Nn88aR2olo5gQzCRuFu5teeoehdAfpuxyLSPNo5jc96ZSQLAGN54q9pMUXfPmFHV/wGoA== X-Received: by 2002:a17:90b:1741:: with SMTP id jf1mr13304813pjb.164.1599336253074; Sat, 05 Sep 2020 13:04:13 -0700 (PDT) Received: from localhost (c-73-25-156-94.hsd1.or.comcast.net. [73.25.156.94]) by smtp.gmail.com with ESMTPSA id j12sm8616950pjd.44.2020.09.05.13.04.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Sep 2020 13:04:11 -0700 (PDT) From: Rob Clark To: iommu@lists.linux-foundation.org, dri-devel@lists.freedesktop.org, Will Deacon , Robin Murphy , Joerg Roedel Subject: [PATCH v17 05/20] drm/msm: Add a context pointer to the submitqueue Date: Sat, 5 Sep 2020 13:04:11 -0700 Message-Id: <20200905200454.240929-6-robdclark@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200905200454.240929-1-robdclark@gmail.com> References: <20200905200454.240929-1-robdclark@gmail.com> MIME-Version: 1.0 Cc: Rob Clark , Daniel Vetter , David Airlie , linux-arm-msm@vger.kernel.org, Akhil P Oommen , Stephen Boyd , Sean Paul , Sibi Sankar , Vivek Gautam , freedreno@lists.freedesktop.org, open list X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Jordan Crouse Each submitqueue is attached to a context. Add a pointer to the context to the submitqueue at create time and refcount it so that it stays around through the life of the queue. Co-developed-by: Rob Clark Signed-off-by: Jordan Crouse Signed-off-by: Rob Clark Reviewed-by: Bjorn Andersson --- drivers/gpu/drm/msm/msm_drv.c | 3 ++- drivers/gpu/drm/msm/msm_drv.h | 20 ++++++++++++++++++++ drivers/gpu/drm/msm/msm_gem.h | 1 + drivers/gpu/drm/msm/msm_gem_submit.c | 6 +++--- drivers/gpu/drm/msm/msm_gpu.h | 1 + drivers/gpu/drm/msm/msm_submitqueue.c | 3 +++ 6 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 79333842f70a..75cd7639f560 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -594,6 +594,7 @@ static int context_init(struct drm_device *dev, struct drm_file *file) if (!ctx) return -ENOMEM; + kref_init(&ctx->ref); msm_submitqueue_init(dev, ctx); ctx->aspace = priv->gpu ? priv->gpu->aspace : NULL; @@ -615,7 +616,7 @@ static int msm_open(struct drm_device *dev, struct drm_file *file) static void context_close(struct msm_file_private *ctx) { msm_submitqueue_close(ctx); - kfree(ctx); + msm_file_private_put(ctx); } static void msm_postclose(struct drm_device *dev, struct drm_file *file) diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index af259b0573ea..4561bfb5e745 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -57,6 +57,7 @@ struct msm_file_private { struct list_head submitqueues; int queueid; struct msm_gem_address_space *aspace; + struct kref ref; }; enum msm_mdp_plane_property { @@ -428,6 +429,25 @@ void msm_submitqueue_close(struct msm_file_private *ctx); void msm_submitqueue_destroy(struct kref *kref); +static inline void __msm_file_private_destroy(struct kref *kref) +{ + struct msm_file_private *ctx = container_of(kref, + struct msm_file_private, ref); + + kfree(ctx); +} + +static inline void msm_file_private_put(struct msm_file_private *ctx) +{ + kref_put(&ctx->ref, __msm_file_private_destroy); +} + +static inline struct msm_file_private *msm_file_private_get( + struct msm_file_private *ctx) +{ + kref_get(&ctx->ref); + return ctx; +} #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 972490b14ba5..9c573c4269cb 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -142,6 +142,7 @@ struct msm_gem_submit { bool valid; /* true if no cmdstream patching needed */ bool in_rb; /* "sudo" mode, copy cmds into RB */ struct msm_ringbuffer *ring; + struct msm_file_private *ctx; unsigned int nr_cmds; unsigned int nr_bos; u32 ident; /* A "identifier" for the submit for logging */ diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 8cb9aa15ff90..1464b04d25d3 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -27,7 +27,7 @@ #define BO_PINNED 0x2000 static struct msm_gem_submit *submit_create(struct drm_device *dev, - struct msm_gpu *gpu, struct msm_gem_address_space *aspace, + struct msm_gpu *gpu, struct msm_gpu_submitqueue *queue, uint32_t nr_bos, uint32_t nr_cmds) { @@ -43,7 +43,7 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev, return NULL; submit->dev = dev; - submit->aspace = aspace; + submit->aspace = queue->ctx->aspace; submit->gpu = gpu; submit->fence = NULL; submit->cmd = (void *)&submit->bos[nr_bos]; @@ -677,7 +677,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, } } - submit = submit_create(dev, gpu, ctx->aspace, queue, args->nr_bos, + submit = submit_create(dev, gpu, queue, args->nr_bos, args->nr_cmds); if (!submit) { ret = -ENOMEM; diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 1f65aec57a8f..c4ce462c30c5 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -193,6 +193,7 @@ struct msm_gpu_submitqueue { u32 flags; u32 prio; int faults; + struct msm_file_private *ctx; struct list_head node; struct kref ref; }; diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c index 90c9d84e6155..c3d206105d28 100644 --- a/drivers/gpu/drm/msm/msm_submitqueue.c +++ b/drivers/gpu/drm/msm/msm_submitqueue.c @@ -12,6 +12,8 @@ void msm_submitqueue_destroy(struct kref *kref) struct msm_gpu_submitqueue *queue = container_of(kref, struct msm_gpu_submitqueue, ref); + msm_file_private_put(queue->ctx); + kfree(queue); } @@ -83,6 +85,7 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx, write_lock(&ctx->queuelock); + queue->ctx = msm_file_private_get(ctx); queue->id = ctx->queueid++; if (id) -- 2.26.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu