From nobody Wed Oct 8 11:40:06 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6503E238C3D for ; Sun, 29 Jun 2025 20:16:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751228179; cv=none; b=Jw59Vv6fB5vIA+Q1T+d1FIxD0EbgD1bO6khqZLsH9uM01PdQDBXndqDgDVY0ljLsLlI+a97xsCyt+vmlKzt0XXqwCOY6Q/R9z0885i440NZl9PlaM96GW/SIj+7Ejp2hg8oRrrDSVNJOwW78fXY9deuanHJ6RQAbXtBYbDayGKY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751228179; c=relaxed/simple; bh=Gm6UhJ7UKI9DiYCOXoBXcpqw8slOxn54iQtmUjp8vaI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gCKBeMie+6QKxObPxlvNCxioRAMdR9VMpqZaEnMU+uYMvJgNPt5G4bJj0Q6L63DBK8Ks2OMPJWCJFLhaX1YsoqSGxLGxfiENvCIHdRNa+bRJfww5O4OQW6WXyf97nIj4qf+FVLKNgmU5PLXjt/P7In1K5uThy6hVcTwkMnvcunY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=oHTvEF1K; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="oHTvEF1K" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55TJQL3V008381 for ; Sun, 29 Jun 2025 20:16:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=sVxQxqcInWG kGdZkfQeRJ3wtUjNtIfv/ihKTiUvsmA8=; b=oHTvEF1KOTyRjmBitWtjfyQi9d7 RWH6rjdkIlBV0XTeCgeLLsdytj+I2h8iRsq5ZXt3woWHsIBIAlYwnWC5pIGWbw0o ZiXFiW785yJdqMj5CFcyo/iNaBlSLA5xenwkDLVPjOZ9KokrCtJo3Rvveqps172R wFIIvgRBbZcSfkVKWjZFHyi73rxUvvzSoDTNYfO6PJbfq8aarZjNUl3MWGQsskv6 Z1MuJU505tXlFRNXb6983TlIBz2QBCJm7nAKcmnlLeagch0T4gfIXJHT1b4sc0jG 9dUBcqbIPwsTc0w38wHUWmvWqP4i5XCYTtubdQls+Ctsm2eoU+FhAPHriJQ== Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 47j9pcjjc7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sun, 29 Jun 2025 20:16:16 +0000 (GMT) Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2355651d204so29539185ad.2 for ; Sun, 29 Jun 2025 13:16:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751228176; x=1751832976; 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=sVxQxqcInWGkGdZkfQeRJ3wtUjNtIfv/ihKTiUvsmA8=; b=YI+IARqXXo+WLo9DFy9CET7VLS+qDBNNRNj38ozxfzxrUOvCATzdaTgOULtJuVJHxN qAFonOz2ninDicK6zEJkxpxR5SRSBdjy2bu/l6qadBA4cTy6GIHl22SsbjKrZjG4Q1ji UZTOIMhBmu1Rlo7QftCEkHzihODH5XL0e2eraaj/tSQB9RtBSRYY3FoAKGzxkb278OEA 59CBx6KBrgvhbdr7wHQ3ZXdmy42xJE6Q0MFwRPOGXWQ4OfAJkeWPyNcvnhzl0C6rPvdA CRGmFgUZSJjRiTdKf3aNNN4TTGQjG35BfvgD9+UeMepBX6IgiQMCY/K7nG/w6wu/gF5A ByVQ== X-Forwarded-Encrypted: i=1; AJvYcCWs4jvAkW+4ZC7tyafdzIS0VXy70YMMaQyk31ByN5JLflVdO/NV3KCAHXPZjcybT+xwwzswubW0I14WLuI=@vger.kernel.org X-Gm-Message-State: AOJu0YwuVwttk4tfdIeilgA2tMrM0Q4gI/JRNEZyHGOtGPw9I93zyHav 7Ea5Tg2IVBBHNnSq0cupi/PJHTjvuWSeZfrv0BMxRofZLNrqRKsDPsbkt/rmb0YWYY9lohaodgK 0Lm+FV8OL0gtHCG9yHSKjslLf3xdADydrJGQEMn0ZY3RqQkdBXwkP9LwsOuGRA2XKVTM= X-Gm-Gg: ASbGncuAQ2BbhtqzJpCS7N2xme00AfTwzkoIF2Fx2OBiWZDP2n9Y+Zk6mxXFjMJ7wch EqnG/rNJhd6+UQNlGwJxTKoxmtubyUjLIQvHe7kMVroIvVJbhQzSG9RPvICHvviz5rzyTwnVlZE HODOAA9KkqEqcE4GIfpGOsLX8qdIeHxufgTq6F2Mc07/e5DXQ7S4gGwbXcGDC7Q/C/CEUZ943Rc J5uhrKDloieJbO3hVEKvoudhMxPL1+hXU241d9gNwRocf2EglRDNxMHxHkF5jEWvb7qiuxBPiT+ 1bjVxJ47I3rvchlBnC20ENMeC4jZuOldbA== X-Received: by 2002:a17:902:ebc7:b0:235:f298:cbbe with SMTP id d9443c01a7336-23ac40e028bmr169451605ad.12.1751228175848; Sun, 29 Jun 2025 13:16:15 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHNbJUtGP9MrWR24HPcC4/u3xJtP1wRXJgvFGUHLgeKLArllLw9NNHdWnW/5xcDbywPkb6T0g== X-Received: by 2002:a17:902:ebc7:b0:235:f298:cbbe with SMTP id d9443c01a7336-23ac40e028bmr169451305ad.12.1751228175405; Sun, 29 Jun 2025 13:16:15 -0700 (PDT) Received: from localhost ([2601:1c0:5000:d5c:5b3e:de60:4fda:e7b1]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23acb3c6953sm67738195ad.226.2025.06.29.13.16.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Jun 2025 13:16:14 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Connor Abbott , Antonino Maniscalco , Danilo Krummrich , Rob Clark , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v9 08/42] drm/msm: Collapse vma allocation and initialization Date: Sun, 29 Jun 2025 13:12:51 -0700 Message-ID: <20250629201530.25775-9-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250629201530.25775-1-robin.clark@oss.qualcomm.com> References: <20250629201530.25775-1-robin.clark@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: IfrCuKUYkCNnXjf4OOBWh0AywAY9mTN0 X-Proofpoint-ORIG-GUID: IfrCuKUYkCNnXjf4OOBWh0AywAY9mTN0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI5MDE3MiBTYWx0ZWRfX6HVN2cHCcqtm yVIo3C86yzLqx248zfNHEWTXgu6O8EIYLabOPXKxHetwxPzs7h4i8ChmCub53r1zE135a0c7/77 Nk4ylO1zQBqUK0XX/YEILmPvRtyWFPV58GWlJuCiZlX8Djsmk5Ren0qgFLRPKg8hyYocPItz9/h sU/Y4NcmlnIYSwW42vzEWuZ12B89s1OZNY5E4wAcMOgve/WQ3In6CalsEOZ3A0F/ukx5PZVDCq/ zYZfHt+xl40Ta6PoIcO9iz8sDtl3d1w3PYLVkwYGBD+03JL0qJbPxpP/ljEbbMZ66xeT0RMT/1v miIk/mBVNX70Q2jMqgTLaWS8LBOcf0Z5kooGVt04fa2YQNJ+vcZogWZbxnYa5fDOXHDeaw0udrF ZRd2X71sFQFA6o8eaMGYeDcnsiMTYAN1lkuxxt4RCghkCH6C7BQpuk8XUDZ9C/HOwjhWAKp3 X-Authority-Analysis: v=2.4 cv=QMFoRhLL c=1 sm=1 tr=0 ts=68619f10 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=xqWC_Br6kY4A:10 a=6IFa9wvqVegA:10 a=cm27Pg_UAAAA:8 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=amM6-9Z1s-9IjK5NNPIA:9 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-27_05,2025-06-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 bulkscore=0 spamscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 clxscore=1015 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506290172 Content-Type: text/plain; charset="utf-8" From: Rob Clark Now that we've dropped vram carveout support, we can collapse vma allocation and initialization. This better matches how things work with drm_gpuvm. Signed-off-by: Rob Clark Signed-off-by: Rob Clark Tested-by: Antonino Maniscalco Reviewed-by: Antonino Maniscalco --- drivers/gpu/drm/msm/msm_gem.c | 30 +++----------------------- drivers/gpu/drm/msm/msm_gem.h | 4 ++-- drivers/gpu/drm/msm/msm_gem_vma.c | 36 +++++++++++++------------------ 3 files changed, 20 insertions(+), 50 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index b83790cc08df..9fa830209b1e 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -333,23 +333,6 @@ uint64_t msm_gem_mmap_offset(struct drm_gem_object *ob= j) return offset; } =20 -static struct msm_gem_vma *add_vma(struct drm_gem_object *obj, - struct msm_gem_vm *vm) -{ - struct msm_gem_object *msm_obj =3D to_msm_bo(obj); - struct msm_gem_vma *vma; - - msm_gem_assert_locked(obj); - - vma =3D msm_gem_vma_new(vm); - if (!vma) - return ERR_PTR(-ENOMEM); - - list_add_tail(&vma->list, &msm_obj->vmas); - - return vma; -} - static struct msm_gem_vma *lookup_vma(struct drm_gem_object *obj, struct msm_gem_vm *vm) { @@ -416,6 +399,7 @@ static struct msm_gem_vma *get_vma_locked(struct drm_ge= m_object *obj, struct msm_gem_vm *vm, u64 range_start, u64 range_end) { + struct msm_gem_object *msm_obj =3D to_msm_bo(obj); struct msm_gem_vma *vma; =20 msm_gem_assert_locked(obj); @@ -423,18 +407,10 @@ static struct msm_gem_vma *get_vma_locked(struct drm_= gem_object *obj, vma =3D lookup_vma(obj, vm); =20 if (!vma) { - int ret; - - vma =3D add_vma(obj, vm); + vma =3D msm_gem_vma_new(vm, obj, range_start, range_end); if (IS_ERR(vma)) return vma; - - ret =3D msm_gem_vma_init(vma, obj->size, - range_start, range_end); - if (ret) { - del_vma(vma); - return ERR_PTR(ret); - } + list_add_tail(&vma->list, &msm_obj->vmas); } else { GEM_WARN_ON(vma->iova < range_start); GEM_WARN_ON((vma->iova + obj->size) > range_end); diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index e47e187ecd00..cf1e86252219 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -66,8 +66,8 @@ struct msm_gem_vma { bool mapped; }; =20 -struct msm_gem_vma *msm_gem_vma_new(struct msm_gem_vm *vm); -int msm_gem_vma_init(struct msm_gem_vma *vma, int size, +struct msm_gem_vma * +msm_gem_vma_new(struct msm_gem_vm *vm, struct drm_gem_object *obj, u64 range_start, u64 range_end); void msm_gem_vma_purge(struct msm_gem_vma *vma); int msm_gem_vma_map(struct msm_gem_vma *vma, int prot, struct sg_table *sg= t, int size); diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_ge= m_vma.c index 9419692f0cc8..6d18364f321c 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -106,47 +106,41 @@ void msm_gem_vma_close(struct msm_gem_vma *vma) msm_gem_vm_put(vm); } =20 -struct msm_gem_vma *msm_gem_vma_new(struct msm_gem_vm *vm) +/* Create a new vma and allocate an iova for it */ +struct msm_gem_vma * +msm_gem_vma_new(struct msm_gem_vm *vm, struct drm_gem_object *obj, + u64 range_start, u64 range_end) { struct msm_gem_vma *vma; + int ret; =20 vma =3D kzalloc(sizeof(*vma), GFP_KERNEL); if (!vma) - return NULL; + return ERR_PTR(-ENOMEM); =20 vma->vm =3D vm; =20 - return vma; -} - -/* Initialize a new vma and allocate an iova for it */ -int msm_gem_vma_init(struct msm_gem_vma *vma, int size, - u64 range_start, u64 range_end) -{ - struct msm_gem_vm *vm =3D vma->vm; - int ret; - - if (GEM_WARN_ON(!vm)) - return -EINVAL; - - if (GEM_WARN_ON(vma->iova)) - return -EBUSY; - spin_lock(&vm->lock); ret =3D drm_mm_insert_node_in_range(&vm->mm, &vma->node, - size, PAGE_SIZE, 0, + obj->size, PAGE_SIZE, 0, range_start, range_end, 0); spin_unlock(&vm->lock); =20 if (ret) - return ret; + goto err_free_vma; =20 vma->iova =3D vma->node.start; vma->mapped =3D false; =20 + INIT_LIST_HEAD(&vma->list); + kref_get(&vm->kref); =20 - return 0; + return vma; + +err_free_vma: + kfree(vma); + return ERR_PTR(ret); } =20 struct msm_gem_vm * --=20 2.50.0