From patchwork Mon Apr 11 21:58:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 12809696 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EF112C433EF for ; Mon, 11 Apr 2022 21:58:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1EA3A10E31E; Mon, 11 Apr 2022 21:58:39 +0000 (UTC) Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by gabe.freedesktop.org (Postfix) with ESMTPS id D12DF10E298; Mon, 11 Apr 2022 21:58:35 +0000 (UTC) Received: by mail-pj1-x1035.google.com with SMTP id h23-20020a17090a051700b001c9c1dd3acbso687303pjh.3; Mon, 11 Apr 2022 14:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=05mUL8FeeCXWVDafJ6OfP4ybn8WOOy9jUdlt3AmYSNs=; b=GlITZb6d0IKkKaOBNcr8+eCnQNFge5a1y+Pr2qTFNgQZA8o3SAaTVykIpfj7H/8qol rmEdz8r7JkVo0+MF1a0qKoBnmTnmva/MIAXr5CZyYhtjRX8jLkgSG3CaMbTnR9m1orST 2iawE0JS0SV68vWIQGd75fOZJ1uIISZ831jympWd0TPetEVWPyXGv/xRORLRVhStRkMk Q+iHR4q21lAytrNDo+R/NCb7YeYOacCySeryACVi8KSLrKhWkBz472I279qfS8WtK7tq kvzlV3vHLzIBRs878XWU8RNT61bcdJ3KRgqdC9LpEnHmpPAiXhzlgZR1RBYMe0AagvG2 19qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=05mUL8FeeCXWVDafJ6OfP4ybn8WOOy9jUdlt3AmYSNs=; b=bO+o7mobnzTIqqueZDGNl/8iK+pg+55XEoWTrMU0zufbTiYs+6ctCFRXkGs/XVy+j/ ywc+VRtEwPsOzG1w9Hk2HvFy58d2WoRvruM5PU5jwO2Ug+ArhQf9sm3i+31O9bwrG7PR Rspa1RpUuI7KybPJFNwPVVWleeWdCQVdU12w7gfwIAG0KNGmnO4Nxdrawc13Jd9OdFc4 81dsU0b15cvlLHGdnzyBrRTivv8fP3Juabh7mGiDyfN5poaqNaYHFhWcEFg9lnsOqeVj VOvy8ftfGBjvPtsoBdJcvDdC9351eFLz4PQHWlQzMAKhDWKEH9hrxOlMSY7TxmsNLCuJ mcEg== X-Gm-Message-State: AOAM532xOnqwur7f6OXhJtkBeUe6PE5ssoDFOGbHKsIIIyqWLCN5/8yN NnNt+R0D923D+s4EgpUU2jORA1L7Me4= X-Google-Smtp-Source: ABdhPJxdMq9AhUa2yp2En43v4yIYd/2didpkUf/nYFI+ou2nHqfeMlGpAVaNzUynwwVFw3r9VJ7+cA== X-Received: by 2002:a17:903:32c1:b0:158:459f:2ec6 with SMTP id i1-20020a17090332c100b00158459f2ec6mr11245679plr.130.1649714314845; Mon, 11 Apr 2022 14:58:34 -0700 (PDT) Received: from localhost ([2a00:79e1:abd:4a00:2703:3c72:eb1a:cffd]) by smtp.gmail.com with ESMTPSA id c7-20020a17090ab28700b001ca9514df81sm416364pjr.45.2022.04.11.14.58.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Apr 2022 14:58:33 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Subject: [PATCH v4 08/10] drm/msm/gem: Split vma lookup and pin Date: Mon, 11 Apr 2022 14:58:37 -0700 Message-Id: <20220411215849.297838-9-robdclark@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220411215849.297838-1-robdclark@gmail.com> References: <20220411215849.297838-1-robdclark@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Clark , David Airlie , linux-arm-msm@vger.kernel.org, Abhinav Kumar , open list , Sean Paul , Dmitry Osipenko , Dmitry Baryshkov , freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Rob Clark This way we only lookup vma once per object per submit, for both the submit and retire path. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_gem.c | 60 +++++++++++++--------------- drivers/gpu/drm/msm/msm_gem.h | 9 +++-- drivers/gpu/drm/msm/msm_gem_submit.c | 17 +++++--- 3 files changed, 44 insertions(+), 42 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 218744a490a4..e8107a22c33a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -407,7 +407,7 @@ static struct msm_gem_vma *get_vma_locked(struct drm_gem_object *obj, return vma; } -static int msm_gem_pin_iova(struct drm_gem_object *obj, struct msm_gem_vma *vma) +int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma) { struct msm_gem_object *msm_obj = to_msm_bo(obj); struct page **pages; @@ -439,6 +439,26 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj, struct msm_gem_vma *vma) return ret; } +void msm_gem_unpin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + + GEM_WARN_ON(!msm_gem_is_locked(obj)); + + msm_gem_unmap_vma(vma->aspace, vma); + + msm_obj->pin_count--; + GEM_WARN_ON(msm_obj->pin_count < 0); + + update_inactive(msm_obj); +} + +struct msm_gem_vma *msm_gem_get_vma_locked(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace) +{ + return get_vma_locked(obj, aspace, 0, U64_MAX); +} + static int get_and_pin_iova_range_locked(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova, u64 range_start, u64 range_end) @@ -452,7 +472,7 @@ static int get_and_pin_iova_range_locked(struct drm_gem_object *obj, if (IS_ERR(vma)) return PTR_ERR(vma); - ret = msm_gem_pin_iova(obj, vma); + ret = msm_gem_pin_vma_locked(obj, vma); if (!ret) *iova = vma->iova; @@ -476,12 +496,6 @@ int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj, return ret; } -int msm_gem_get_and_pin_iova_locked(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace, uint64_t *iova) -{ - return get_and_pin_iova_range_locked(obj, aspace, iova, 0, U64_MAX); -} - /* get iova and pin it. Should have a matching put */ int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova) @@ -511,29 +525,6 @@ int msm_gem_get_iova(struct drm_gem_object *obj, return ret; } -/* - * Locked variant of msm_gem_unpin_iova() - */ -void msm_gem_unpin_iova_locked(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace) -{ - struct msm_gem_object *msm_obj = to_msm_bo(obj); - struct msm_gem_vma *vma; - - GEM_WARN_ON(!msm_gem_is_locked(obj)); - - vma = lookup_vma(obj, aspace); - - if (!GEM_WARN_ON(!vma)) { - msm_gem_unmap_vma(aspace, vma); - - msm_obj->pin_count--; - GEM_WARN_ON(msm_obj->pin_count < 0); - - update_inactive(msm_obj); - } -} - /* * Unpin a iova by updating the reference counts. The memory isn't actually * purged until something else (shrinker, mm_notifier, destroy, etc) decides @@ -542,8 +533,13 @@ void msm_gem_unpin_iova_locked(struct drm_gem_object *obj, void msm_gem_unpin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace) { + struct msm_gem_vma *vma; + msm_gem_lock(obj); - msm_gem_unpin_iova_locked(obj, aspace); + vma = lookup_vma(obj, aspace); + if (!GEM_WARN_ON(!vma)) { + msm_gem_unpin_vma_locked(obj, vma); + } msm_gem_unlock(obj); } diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 772de010a669..f98264cf130d 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -133,17 +133,17 @@ struct msm_gem_object { #define to_msm_bo(x) container_of(x, struct msm_gem_object, base) uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); +int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma); +void msm_gem_unpin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma); +struct msm_gem_vma *msm_gem_get_vma_locked(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace); int msm_gem_get_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova); int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova, u64 range_start, u64 range_end); -int msm_gem_get_and_pin_iova_locked(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace, uint64_t *iova); int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace, uint64_t *iova); -void msm_gem_unpin_iova_locked(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace); void msm_gem_unpin_iova(struct drm_gem_object *obj, struct msm_gem_address_space *aspace); struct page **msm_gem_get_pages(struct drm_gem_object *obj); @@ -369,6 +369,7 @@ struct msm_gem_submit { uint32_t handle; }; uint64_t iova; + struct msm_gem_vma *vma; } bos[]; }; diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index c6d60c8d286d..91da05af40ee 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -232,7 +232,7 @@ static void submit_cleanup_bo(struct msm_gem_submit *submit, int i, unsigned flags = submit->bos[i].flags & cleanup_flags; if (flags & BO_PINNED) - msm_gem_unpin_iova_locked(obj, submit->aspace); + msm_gem_unpin_vma_locked(obj, submit->bos[i].vma); if (flags & BO_ACTIVE) msm_gem_active_put(obj); @@ -365,21 +365,26 @@ static int submit_pin_objects(struct msm_gem_submit *submit) for (i = 0; i < submit->nr_bos; i++) { struct drm_gem_object *obj = &submit->bos[i].obj->base; - uint64_t iova; + struct msm_gem_vma *vma; /* if locking succeeded, pin bo: */ - ret = msm_gem_get_and_pin_iova_locked(obj, - submit->aspace, &iova); + vma = msm_gem_get_vma_locked(obj, submit->aspace); + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + break; + } + ret = msm_gem_pin_vma_locked(obj, vma); if (ret) break; submit->bos[i].flags |= BO_PINNED; + submit->bos[i].vma = vma; - if (iova == submit->bos[i].iova) { + if (vma->iova == submit->bos[i].iova) { submit->bos[i].flags |= BO_VALID; } else { - submit->bos[i].iova = iova; + submit->bos[i].iova = vma->iova; /* iova changed, so address in cmdstream is not valid: */ submit->bos[i].flags &= ~BO_VALID; submit->valid = false;