From patchwork Sat Feb 18 01:25:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 654775 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 900F9C64ED6 for ; Sat, 18 Feb 2023 01:25:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229737AbjBRBZw (ORCPT ); Fri, 17 Feb 2023 20:25:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229731AbjBRBZv (ORCPT ); Fri, 17 Feb 2023 20:25:51 -0500 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77CC55F24B for ; Fri, 17 Feb 2023 17:25:50 -0800 (PST) Received: by mail-lf1-x12e.google.com with SMTP id v11so21771lft.0 for ; Fri, 17 Feb 2023 17:25:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zBTbzbVOUqYQofnWyPH8cCYJy+e3PlNvbe64Pd9nXxM=; b=XixVrrqnxl4aBbKUU527cQfk+YZHN27UkIXQdorFvfOMX+sc8j2xK051sAJmnngCmO 5sxWEeZkwu7mD2s4eWhT57GxxvVpf8ESWCWHkM6aJZ7L8RAQHcjIhkhDYIwcCJZqWfN9 NqdNaLuC/Q6cT0YSLZI+kNTadDl1uMIoibgegK+0VQBo0tYbqiMnfUsJzq0x35wXt+rE 6sGS9z36oZ2esfHZzzH16TLWua9tYTmuknOrqgNaUPHqN+mBnOIvXph7AUrFN3D5wbx9 EU5gdFf7yzXm5/0VbSjvraiwQDYJEIGBmB0sxeKU3JGdqvypFk8DLtlAdx62QPVlVwqP 6a2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zBTbzbVOUqYQofnWyPH8cCYJy+e3PlNvbe64Pd9nXxM=; b=MFBkV2jbrXgoQk/U5IXNGPD6XZgjrAinsxQqUhDito2Mrr8TKwZponv/nC01pquXK6 U4DoMfd7VEXqByNaFP29nj0xRhPKjTY36wl7NzZ4yu8CiliKMeWMZcJnbHZ5fEMZ5cGc p9cOH6UYOYsY+6Lyt/0eRkJ0Gg7o/17f6oLSaNcNhb/Xsa5zbdFcRc/hGuHeCgpYJ8JX vOIIMx9TDTCG6wRMj5cTOeKyXBsw86bDOZR+gB1zWihxhvo4xjSG6eSz5u1gSKsLtxIP xUIdkMPxb9jwQ6DDs/Vxflv7QU62o4dW9TbqtjduWzDpHnOF+7QNdce0+XfaYMzkHNfM J/6Q== X-Gm-Message-State: AO0yUKXGckz0HFuOaauXunyHqI0pzzOxPLMyK89hthi7GA85UfolrDKX ll0U74u8asLDc1EeO4DshZgUEA== X-Google-Smtp-Source: AK7set+b7/3DtCVoBQmtej3h+VpybWv/zNE0+pjBMwDKDJflxlaFXz1qoImo83u8/PG0yJAWxb46wQ== X-Received: by 2002:a05:6512:3911:b0:4db:3a70:e9f3 with SMTP id a17-20020a056512391100b004db3a70e9f3mr456279lfu.69.1676683548802; Fri, 17 Feb 2023 17:25:48 -0800 (PST) Received: from eriador.lan (dzccz6yyyyyyyyyyybcwt-3.rev.dnainternet.fi. [2001:14ba:a085:4d00::8a5]) by smtp.gmail.com with ESMTPSA id j11-20020a19f50b000000b004d85f2acd8esm826414lfb.295.2023.02.17.17.25.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 17:25:48 -0800 (PST) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH 1/2] drm/msm: drop unused ring variable in msm_ioctl_gem_submit() Date: Sat, 18 Feb 2023 03:25:45 +0200 Message-Id: <20230218012546.3655999-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230218012546.3655999-1-dmitry.baryshkov@linaro.org> References: <20230218012546.3655999-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The variable ring is not used by msm_parse_deps() and msm_ioctl_gem_submit() and thus can be dropped. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_gem_submit.c | 10 +++------- drivers/gpu/drm/msm/msm_gpu_trace.h | 10 ++++------ 2 files changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index ac8ed731f76d..a539eb31042f 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -550,8 +550,7 @@ static struct drm_syncobj **msm_parse_deps(struct msm_gem_submit *submit, struct drm_file *file, uint64_t in_syncobjs_addr, uint32_t nr_in_syncobjs, - size_t syncobj_stride, - struct msm_ringbuffer *ring) + size_t syncobj_stride) { struct drm_syncobj **syncobjs = NULL; struct drm_msm_gem_submit_syncobj syncobj_desc = {0}; @@ -722,7 +721,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, struct msm_gem_submit *submit; struct msm_gpu *gpu = priv->gpu; struct msm_gpu_submitqueue *queue; - struct msm_ringbuffer *ring; struct msm_submit_post_dep *post_deps = NULL; struct drm_syncobj **syncobjs_to_reset = NULL; int out_fence_fd = -1; @@ -760,8 +758,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (!queue) return -ENOENT; - ring = gpu->rb[queue->ring_nr]; - if (args->flags & MSM_SUBMIT_FENCE_FD_OUT) { out_fence_fd = get_unused_fd_flags(O_CLOEXEC); if (out_fence_fd < 0) { @@ -774,7 +770,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (IS_ERR(submit)) return PTR_ERR(submit); - trace_msm_gpu_submit(pid_nr(submit->pid), ring->id, submit->ident, + trace_msm_gpu_submit(pid_nr(submit->pid), submit->ident, args->nr_bos, args->nr_cmds); ret = mutex_lock_interruptible(&queue->lock); @@ -803,7 +799,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, syncobjs_to_reset = msm_parse_deps(submit, file, args->in_syncobjs, args->nr_in_syncobjs, - args->syncobj_stride, ring); + args->syncobj_stride); if (IS_ERR(syncobjs_to_reset)) { ret = PTR_ERR(syncobjs_to_reset); goto out_unlock; diff --git a/drivers/gpu/drm/msm/msm_gpu_trace.h b/drivers/gpu/drm/msm/msm_gpu_trace.h index ac40d857bc45..12ef10f1de4c 100644 --- a/drivers/gpu/drm/msm/msm_gpu_trace.h +++ b/drivers/gpu/drm/msm/msm_gpu_trace.h @@ -9,24 +9,22 @@ #define TRACE_INCLUDE_FILE msm_gpu_trace TRACE_EVENT(msm_gpu_submit, - TP_PROTO(pid_t pid, u32 ringid, u32 id, u32 nr_bos, u32 nr_cmds), - TP_ARGS(pid, ringid, id, nr_bos, nr_cmds), + TP_PROTO(pid_t pid, u32 id, u32 nr_bos, u32 nr_cmds), + TP_ARGS(pid, id, nr_bos, nr_cmds), TP_STRUCT__entry( __field(pid_t, pid) __field(u32, id) - __field(u32, ringid) __field(u32, nr_cmds) __field(u32, nr_bos) ), TP_fast_assign( __entry->pid = pid; __entry->id = id; - __entry->ringid = ringid; __entry->nr_bos = nr_bos; __entry->nr_cmds = nr_cmds ), - TP_printk("id=%d pid=%d ring=%d bos=%d cmds=%d", - __entry->id, __entry->pid, __entry->ringid, + TP_printk("id=%d pid=%d bos=%d cmds=%d", + __entry->id, __entry->pid, __entry->nr_bos, __entry->nr_cmds) ); From patchwork Sat Feb 18 01:25:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 655173 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7B59C636D6 for ; Sat, 18 Feb 2023 01:25:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229724AbjBRBZx (ORCPT ); Fri, 17 Feb 2023 20:25:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229699AbjBRBZx (ORCPT ); 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[2001:14ba:a085:4d00::8a5]) by smtp.gmail.com with ESMTPSA id j11-20020a19f50b000000b004d85f2acd8esm826414lfb.295.2023.02.17.17.25.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 17:25:49 -0800 (PST) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH 2/2] drm/msm: simplify msm_parse_deps() and msm_parse_post_deps() Date: Sat, 18 Feb 2023 03:25:46 +0200 Message-Id: <20230218012546.3655999-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230218012546.3655999-1-dmitry.baryshkov@linaro.org> References: <20230218012546.3655999-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Simplify two functions msm_parse_deps() and msm_parse_post_deps(): extract single item parsing function and clean up error path. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_gem_submit.c | 196 +++++++++++++++------------ 1 file changed, 106 insertions(+), 90 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index a539eb31042f..c64907f0f249 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -546,6 +546,46 @@ struct msm_submit_post_dep { struct dma_fence_chain *chain; }; +static struct drm_syncobj *msm_parse_dep_one(struct msm_gem_submit *submit, + struct drm_file *file, + uint64_t address, + size_t syncobj_stride) +{ + struct drm_msm_gem_submit_syncobj syncobj_desc = {0}; + struct dma_fence *fence; + struct drm_syncobj *syncobj = NULL; + int ret; + + if (copy_from_user(&syncobj_desc, + u64_to_user_ptr(address), + min(syncobj_stride, sizeof(syncobj_desc)))) + return ERR_PTR(-EFAULT); + + if (syncobj_desc.point && + !drm_core_check_feature(submit->dev, DRIVER_SYNCOBJ_TIMELINE)) + return ERR_PTR(-EOPNOTSUPP); + + if (syncobj_desc.flags & ~MSM_SUBMIT_SYNCOBJ_FLAGS) + return ERR_PTR(-EINVAL); + + ret = drm_syncobj_find_fence(file, syncobj_desc.handle, + syncobj_desc.point, 0, &fence); + if (ret) + return ERR_PTR(ret); + + ret = drm_sched_job_add_dependency(&submit->base, fence); + if (ret) + return ERR_PTR(ret); + + if (syncobj_desc.flags & MSM_SUBMIT_SYNCOBJ_RESET) { + syncobj = drm_syncobj_find(file, syncobj_desc.handle); + if (!syncobj) + return ERR_PTR(-EINVAL); + } + + return syncobj; +} + static struct drm_syncobj **msm_parse_deps(struct msm_gem_submit *submit, struct drm_file *file, uint64_t in_syncobjs_addr, @@ -553,9 +593,8 @@ static struct drm_syncobj **msm_parse_deps(struct msm_gem_submit *submit, size_t syncobj_stride) { struct drm_syncobj **syncobjs = NULL; - struct drm_msm_gem_submit_syncobj syncobj_desc = {0}; - int ret = 0; - uint32_t i, j; + int ret; + int i; syncobjs = kcalloc(nr_in_syncobjs, sizeof(*syncobjs), GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY); @@ -564,54 +603,26 @@ static struct drm_syncobj **msm_parse_deps(struct msm_gem_submit *submit, for (i = 0; i < nr_in_syncobjs; ++i) { uint64_t address = in_syncobjs_addr + i * syncobj_stride; - struct dma_fence *fence; + struct drm_syncobj *syncobj; - if (copy_from_user(&syncobj_desc, - u64_to_user_ptr(address), - min(syncobj_stride, sizeof(syncobj_desc)))) { - ret = -EFAULT; - break; - } - - if (syncobj_desc.point && - !drm_core_check_feature(submit->dev, DRIVER_SYNCOBJ_TIMELINE)) { - ret = -EOPNOTSUPP; - break; + syncobj = msm_parse_dep_one(submit, file, address, syncobj_stride); + if (IS_ERR(syncobj)) { + ret = PTR_ERR(syncobj); + goto err; } - if (syncobj_desc.flags & ~MSM_SUBMIT_SYNCOBJ_FLAGS) { - ret = -EINVAL; - break; - } - - ret = drm_syncobj_find_fence(file, syncobj_desc.handle, - syncobj_desc.point, 0, &fence); - if (ret) - break; - - ret = drm_sched_job_add_dependency(&submit->base, fence); - if (ret) - break; - - if (syncobj_desc.flags & MSM_SUBMIT_SYNCOBJ_RESET) { - syncobjs[i] = - drm_syncobj_find(file, syncobj_desc.handle); - if (!syncobjs[i]) { - ret = -EINVAL; - break; - } - } + syncobjs[i] = syncobj; } - if (ret) { - for (j = 0; j <= i; ++j) { - if (syncobjs[j]) - drm_syncobj_put(syncobjs[j]); - } - kfree(syncobjs); - return ERR_PTR(ret); - } return syncobjs; + +err: + while (--i >= 0) + if (syncobjs[i]) + drm_syncobj_put(syncobjs[i]); + kfree(syncobjs); + + return ERR_PTR(ret); } static void msm_reset_syncobjs(struct drm_syncobj **syncobjs, @@ -625,6 +636,43 @@ static void msm_reset_syncobjs(struct drm_syncobj **syncobjs, } } +static int msm_parse_post_dep_one(struct drm_device *dev, + struct drm_file *file, + uint64_t address, + size_t syncobj_stride, + struct msm_submit_post_dep *post_dep) +{ + struct msm_submit_post_dep *post_deps; + struct drm_msm_gem_submit_syncobj syncobj_desc = {0}; + + if (copy_from_user(&syncobj_desc, + u64_to_user_ptr(address), + min(syncobj_stride, sizeof(syncobj_desc)))) + return -EFAULT; + + post_dep->point = syncobj_desc.point; + + if (syncobj_desc.flags) + return -EINVAL; + + if (syncobj_desc.point) { + if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE)) + return -EOPNOTSUPP; + + post_dep->chain = dma_fence_chain_alloc(); + if (!post_dep->chain) + return -ENOMEM; + } + + post_dep->syncobj = drm_syncobj_find(file, syncobj_desc.handle); + if (!post_dep->syncobj) { + dma_fence_chain_free(post_deps->chain); + return -EINVAL; + } + + return 0; +} + static struct msm_submit_post_dep *msm_parse_post_deps(struct drm_device *dev, struct drm_file *file, uint64_t syncobjs_addr, @@ -632,9 +680,8 @@ static struct msm_submit_post_dep *msm_parse_post_deps(struct drm_device *dev, size_t syncobj_stride) { struct msm_submit_post_dep *post_deps; - struct drm_msm_gem_submit_syncobj syncobj_desc = {0}; int ret = 0; - uint32_t i, j; + int i; post_deps = kcalloc(nr_syncobjs, sizeof(*post_deps), GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY); @@ -644,54 +691,23 @@ static struct msm_submit_post_dep *msm_parse_post_deps(struct drm_device *dev, for (i = 0; i < nr_syncobjs; ++i) { uint64_t address = syncobjs_addr + i * syncobj_stride; - if (copy_from_user(&syncobj_desc, - u64_to_user_ptr(address), - min(syncobj_stride, sizeof(syncobj_desc)))) { - ret = -EFAULT; - break; - } - - post_deps[i].point = syncobj_desc.point; - - if (syncobj_desc.flags) { - ret = -EINVAL; - break; - } - - if (syncobj_desc.point) { - if (!drm_core_check_feature(dev, - DRIVER_SYNCOBJ_TIMELINE)) { - ret = -EOPNOTSUPP; - break; - } - - post_deps[i].chain = dma_fence_chain_alloc(); - if (!post_deps[i].chain) { - ret = -ENOMEM; - break; - } - } - - post_deps[i].syncobj = - drm_syncobj_find(file, syncobj_desc.handle); - if (!post_deps[i].syncobj) { - ret = -EINVAL; - break; - } + ret = msm_parse_post_dep_one(dev, file, address, syncobj_stride, &post_deps[i]); + if (ret) + goto err; } - if (ret) { - for (j = 0; j <= i; ++j) { - dma_fence_chain_free(post_deps[j].chain); - if (post_deps[j].syncobj) - drm_syncobj_put(post_deps[j].syncobj); - } + return post_deps; - kfree(post_deps); - return ERR_PTR(ret); +err: + while (--i >= 0) { + dma_fence_chain_free(post_deps[i].chain); + if (post_deps[i].syncobj) + drm_syncobj_put(post_deps[i].syncobj); } - return post_deps; + kfree(post_deps); + + return ERR_PTR(ret); } static void msm_process_post_deps(struct msm_submit_post_dep *post_deps,