From patchwork Tue Feb 16 11:37:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12089873 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 AE2EEC433E0 for ; Tue, 16 Feb 2021 11:37:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 627D064DDA for ; Tue, 16 Feb 2021 11:37:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 627D064DDA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83C5A6E42C; Tue, 16 Feb 2021 11:37:32 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id F16986E5B2 for ; Tue, 16 Feb 2021 11:37:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613475449; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Rt6nmy/x3Zy88W/T0ciSOi52HRrlbUhj9ZNfQfH7KM4=; b=i8obDb+zaYJR7m10lwnMx4OtavEmYWLbVgdu1SBZhZE2pvlw6mfOQtv+tL0gQBfEvLCtsO moff1OTk+biI0LGQPAmYrvBbfGK4gMAik7Q4owgDjzDur5AABR3O02UX4h+R6Fb7gDpuAK dcq1VQSn840SQAqgT7ryBOhtUwjZDJs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-25-lr6CxSplPn--GOnVswt5kg-1; Tue, 16 Feb 2021 06:37:25 -0500 X-MC-Unique: lr6CxSplPn--GOnVswt5kg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CB541107ACE3; Tue, 16 Feb 2021 11:37:23 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-114-184.ams2.redhat.com [10.36.114.184]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 64CC85C1B4; Tue, 16 Feb 2021 11:37:19 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 8C6EC18003AB; Tue, 16 Feb 2021 12:37:17 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Subject: [PATCH 03/10] drm/qxl: use ttm bo priorities Date: Tue, 16 Feb 2021 12:37:09 +0100 Message-Id: <20210216113716.716996-4-kraxel@redhat.com> In-Reply-To: <20210216113716.716996-1-kraxel@redhat.com> References: <20210216113716.716996-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 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: David Airlie , open list , "open list:DRM DRIVER FOR QXL VIRTUAL GPU" , Gerd Hoffmann , "open list:DRM DRIVER FOR QXL VIRTUAL GPU" , Dave Airlie Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Allow to set priorities for buffer objects. Use priority 1 for surface and cursor command releases. Use priority 0 for drawing command releases. That way the short-living drawing commands are first in line when it comes to eviction, making it *much* less likely that ttm_bo_mem_force_space() picks something which can't be evicted and throws an error after waiting a while without success. Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/qxl/qxl_object.h | 1 + drivers/gpu/drm/qxl/qxl_cmd.c | 2 +- drivers/gpu/drm/qxl/qxl_display.c | 4 ++-- drivers/gpu/drm/qxl/qxl_gem.c | 2 +- drivers/gpu/drm/qxl/qxl_object.c | 5 +++-- drivers/gpu/drm/qxl/qxl_release.c | 19 +++++++++++++------ 6 files changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h index e60a8f88e226..dc1659e717f1 100644 --- a/drivers/gpu/drm/qxl/qxl_object.h +++ b/drivers/gpu/drm/qxl/qxl_object.h @@ -61,6 +61,7 @@ static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo) extern int qxl_bo_create(struct qxl_device *qdev, unsigned long size, bool kernel, bool pinned, u32 domain, + u32 priority, struct qxl_surface *surf, struct qxl_bo **bo_ptr); extern int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map); diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index 7e22a81bfb36..7b00c955cd82 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -269,7 +269,7 @@ int qxl_alloc_bo_reserved(struct qxl_device *qdev, int ret; ret = qxl_bo_create(qdev, size, false /* not kernel - device */, - false, QXL_GEM_DOMAIN_VRAM, NULL, &bo); + false, QXL_GEM_DOMAIN_VRAM, 0, NULL, &bo); if (ret) { DRM_ERROR("failed to allocate VRAM BO\n"); return ret; diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index ec50d2cfd4e1..a1b5cc5918bc 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -799,8 +799,8 @@ static int qxl_plane_prepare_fb(struct drm_plane *plane, qdev->dumb_shadow_bo = NULL; } qxl_bo_create(qdev, surf.height * surf.stride, - true, true, QXL_GEM_DOMAIN_SURFACE, &surf, - &qdev->dumb_shadow_bo); + true, true, QXL_GEM_DOMAIN_SURFACE, 0, + &surf, &qdev->dumb_shadow_bo); } if (user_bo->shadow != qdev->dumb_shadow_bo) { if (user_bo->shadow) { diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c index 48e096285b4c..a08da0bd9098 100644 --- a/drivers/gpu/drm/qxl/qxl_gem.c +++ b/drivers/gpu/drm/qxl/qxl_gem.c @@ -55,7 +55,7 @@ int qxl_gem_object_create(struct qxl_device *qdev, int size, /* At least align on page size */ if (alignment < PAGE_SIZE) alignment = PAGE_SIZE; - r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo); + r = qxl_bo_create(qdev, size, kernel, false, initial_domain, 0, surf, &qbo); if (r) { if (r != -ERESTARTSYS) DRM_ERROR( diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c index 705b51535492..7eada4ad217b 100644 --- a/drivers/gpu/drm/qxl/qxl_object.c +++ b/drivers/gpu/drm/qxl/qxl_object.c @@ -103,8 +103,8 @@ static const struct drm_gem_object_funcs qxl_object_funcs = { .print_info = drm_gem_ttm_print_info, }; -int qxl_bo_create(struct qxl_device *qdev, - unsigned long size, bool kernel, bool pinned, u32 domain, +int qxl_bo_create(struct qxl_device *qdev, unsigned long size, + bool kernel, bool pinned, u32 domain, u32 priority, struct qxl_surface *surf, struct qxl_bo **bo_ptr) { @@ -137,6 +137,7 @@ int qxl_bo_create(struct qxl_device *qdev, qxl_ttm_placement_from_domain(bo, domain); + bo->tbo.priority = priority; r = ttm_bo_init_reserved(&qdev->mman.bdev, &bo->tbo, size, type, &bo->placement, 0, &ctx, NULL, NULL, &qxl_ttm_bo_destroy); diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index 63818b56218c..a831184e014a 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -161,11 +161,12 @@ qxl_release_free(struct qxl_device *qdev, } static int qxl_release_bo_alloc(struct qxl_device *qdev, - struct qxl_bo **bo) + struct qxl_bo **bo, + u32 priority) { /* pin releases bo's they are too messy to evict */ return qxl_bo_create(qdev, PAGE_SIZE, false, true, - QXL_GEM_DOMAIN_VRAM, NULL, bo); + QXL_GEM_DOMAIN_VRAM, priority, NULL, bo); } int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo) @@ -288,13 +289,19 @@ int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, int ret = 0; union qxl_release_info *info; int cur_idx; + u32 priority; - if (type == QXL_RELEASE_DRAWABLE) + if (type == QXL_RELEASE_DRAWABLE) { cur_idx = 0; - else if (type == QXL_RELEASE_SURFACE_CMD) + priority = 0; + } else if (type == QXL_RELEASE_SURFACE_CMD) { cur_idx = 1; - else if (type == QXL_RELEASE_CURSOR_CMD) + priority = 1; + } + else if (type == QXL_RELEASE_CURSOR_CMD) { cur_idx = 2; + priority = 1; + } else { DRM_ERROR("got illegal type: %d\n", type); return -EINVAL; @@ -316,7 +323,7 @@ int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, qdev->current_release_bo[cur_idx] = NULL; } if (!qdev->current_release_bo[cur_idx]) { - ret = qxl_release_bo_alloc(qdev, &qdev->current_release_bo[cur_idx]); + ret = qxl_release_bo_alloc(qdev, &qdev->current_release_bo[cur_idx], priority); if (ret) { mutex_unlock(&qdev->release_mutex); qxl_release_free(qdev, *release);