From patchwork Tue Sep 1 16:46:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 293077 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0631DC433E2 for ; Tue, 1 Sep 2020 16:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C77462067C for ; Tue, 1 Sep 2020 16:49:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="C20tEzs8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730251AbgIAQqk (ORCPT ); Tue, 1 Sep 2020 12:46:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729171AbgIAQqg (ORCPT ); Tue, 1 Sep 2020 12:46:36 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D53FC061247; Tue, 1 Sep 2020 09:46:36 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id mm21so901876pjb.4; Tue, 01 Sep 2020 09:46:36 -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=2liumjG+7/DHabFJ1OVqIZ4d6sswHHCz0LQDjQhDWhY=; b=C20tEzs8cI1H5PWiGg7J6Kjt3dMuz4+iyz56eppjCZaUo+/nLcDmNVBSysjSmXR9MJ O5Dx3v1bteUe0y/A49OPZxOSqu/z0kM9BdIdemL6ZbLMU641IiYVpatlN5HEZGIJHrjf OPumT0M4psa//xyxK4VWjGxkiqHel7QA2TyIZip2qUIjGJoTnL4jXTSGDHJCfwktAoSh 6argkZidvJ2KXJV83LigiE/qzq/lfm2JSx8Vj3zF+Yg1RnsmK8bhCs7WWdbWI0HQz1Di HwDJ7f2xiXpVeEoCK62ngnCL7P/LUMJo+H5yZRN7psT57RB0Eoj3v4J6+lKK2g6Df87H YwJQ== 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=2liumjG+7/DHabFJ1OVqIZ4d6sswHHCz0LQDjQhDWhY=; b=BrdZUQmMeKw6Z1YX31EYksXXoDzkczRKK3CCxF11V+2BAuq/M9B+CO1LtWA2AnWwt7 el1BcJltfsZ3+ODUr4HR22E8qV7jqGBuv1OXN4TmHqcYRxRH4jIfKLZqrANzSrnnXPfq Q5OliQp+VeY5LnniIvCAVcoMopY20dgm1xQ80j87kFiDtMUVolf7HUVK+k2dZxQ3iaXH lm0xFgsVhMiG4DD0Pa+YqYM+MRtrrgMgzCoq10yg/WenJYpOHVz8oFCI1J3x//8Rqc5t 5/sD3PHpANfJKVCDr67qHgB/1gxPERE2O/LQY3OCJxeXDFjs8OF4lO4cWdoHF9TGN7QU /Pjg== X-Gm-Message-State: AOAM5308quiIymDU+FOAOPsfGdXrW/OQDfLQaMkc8rYr28SLSsnNUrNm sWiO/70dTldoWqGc95m6xFM= X-Google-Smtp-Source: ABdhPJxNThLmHXZCNlUm17Utzn//s/mjDY83Fykyc8blnjX/mneV7FWFBAjkw40Nltmm9C5ej2jfZw== X-Received: by 2002:a17:902:758d:: with SMTP id j13mr1256122pll.174.1598978795601; Tue, 01 Sep 2020 09:46:35 -0700 (PDT) Received: from localhost ([2601:1c0:5200:a6:307:a401:7b76:c6e5]) by smtp.gmail.com with ESMTPSA id 9sm2548653pfv.22.2020.09.01.09.46.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 09:46:34 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, Will Deacon , Robin Murphy Cc: Bjorn Andersson , Sibi Sankar , Vivek Gautam , Stephen Boyd , Akhil P Oommen , Jordan Crouse , Rob Clark , Rob Clark , Sean Paul , David Airlie , Daniel Vetter , freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v16 05/20] drm/msm: Add a context pointer to the submitqueue Date: Tue, 1 Sep 2020 09:46:22 -0700 Message-Id: <20200901164707.2645413-6-robdclark@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200901164707.2645413-1-robdclark@gmail.com> References: <20200901164707.2645413-1-robdclark@gmail.com> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 f91b141add75..97c527e98391 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -190,6 +190,7 @@ 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)