From patchwork Tue Feb 16 11:37:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12089883 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 F1CE0C433DB for ; Tue, 16 Feb 2021 11:37:54 +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 A9BBC64DF0 for ; Tue, 16 Feb 2021 11:37:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A9BBC64DF0 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 BA9496E8D7; Tue, 16 Feb 2021 11:37:42 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC9A66E883 for ; Tue, 16 Feb 2021 11:37:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613475457; 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=HJtDJWsWvIUDA1UiErWRYJnwzEDYNRI1i739Wq82LqY=; b=cQ+IW2GwTbLFqMvrfQFDBB6b9gYzGEY8xclCQusM/Xxxmp+VK1h0ujdTV8CUNN+Vf5cMz3 3NJfxe2YUieDnj7czYAEBsfQCqIndMkVlLd/ip7rbJ3BwDcQa52pleqKMf4Y/IUXkrYx2m kj0zWZyX+QeTm2dvJRkzglPbXkdIIj8= 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-484-N4GnxuoqM1yB5NhOo0QVJA-1; Tue, 16 Feb 2021 06:37:33 -0500 X-MC-Unique: N4GnxuoqM1yB5NhOo0QVJA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id ECE0B195D562; Tue, 16 Feb 2021 11:37:31 +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 8BD4B60C15; Tue, 16 Feb 2021 11:37:25 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 886BB180086F; Tue, 16 Feb 2021 12:37:18 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Subject: [PATCH 09/10] drm/qxl: map/unmap framebuffers in prepare_fb+cleanup_fb callbacks. Date: Tue, 16 Feb 2021 12:37:15 +0100 Message-Id: <20210216113716.716996-10-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 10.5.11.12 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" We don't have to map in atomic_update callback then, making locking a bit less complicated. Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/qxl/qxl_display.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 7500560db8e4..39b8c5116d34 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -584,7 +584,6 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, struct drm_gem_object *obj; struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL; int ret; - struct dma_buf_map user_map; struct dma_buf_map cursor_map; void *user_ptr; int size = 64*64*4; @@ -599,11 +598,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, obj = fb->obj[0]; user_bo = gem_to_qxl_bo(obj); - /* pinning is done in the prepare/cleanup framevbuffer */ - ret = qxl_bo_kmap_locked(user_bo, &user_map); - if (ret) - goto out_free_release; - user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */ + /* mapping is done in the prepare/cleanup framevbuffer */ + user_ptr = user_bo->map.vaddr; /* TODO: Use mapping abstraction properly */ ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, @@ -639,7 +635,6 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, cursor->chunk.data_size = size; memcpy(cursor->chunk.data, user_ptr, size); qxl_bo_kunmap_locked(cursor_bo); - qxl_bo_kunmap_locked(user_bo); cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); cmd->u.set.visible = 1; @@ -778,6 +773,7 @@ static int qxl_plane_prepare_fb(struct drm_plane *plane, struct drm_gem_object *obj; struct qxl_bo *user_bo; struct qxl_surface surf; + struct dma_buf_map unused; if (!new_state->fb) return 0; @@ -815,7 +811,7 @@ static int qxl_plane_prepare_fb(struct drm_plane *plane, } } - return qxl_bo_pin(user_bo); + return qxl_bo_kmap(user_bo, &unused); } static void qxl_plane_cleanup_fb(struct drm_plane *plane, @@ -834,7 +830,7 @@ static void qxl_plane_cleanup_fb(struct drm_plane *plane, obj = old_state->fb->obj[0]; user_bo = gem_to_qxl_bo(obj); - qxl_bo_unpin(user_bo); + qxl_bo_kunmap(user_bo); if (old_state->fb != plane->state->fb && user_bo->shadow) { qxl_bo_unpin(user_bo->shadow);