From patchwork Tue Jan 24 13:40:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 646944 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 56058C61DA4 for ; Tue, 24 Jan 2023 13:40:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234239AbjAXNkR (ORCPT ); Tue, 24 Jan 2023 08:40:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233392AbjAXNkO (ORCPT ); Tue, 24 Jan 2023 08:40:14 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F39A63754D; Tue, 24 Jan 2023 05:40:13 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 8FA201FDC3; Tue, 24 Jan 2023 13:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1674567612; h=from:from:reply-to: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=jWHAeVwiu+7Pt1XKK8+Xbu9HCfPR9qcjYa+iK3HlDeo=; b=yiClVrJ58vs8iV78LiMLGdn+UPGtz9XD03fu7eyixwqJ39B/IP41Opy+RJGOfXcE6yKs/u hYieBJlA0nIFBJfSha4xAdkAKXh65ybZOVPI6F32QHpOCGl/BhVNQdZS6sBsjIOLZaeMlu H1zzWV/xxVhgDi+o6J/eRX0dgEVi9rY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1674567612; h=from:from:reply-to: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=jWHAeVwiu+7Pt1XKK8+Xbu9HCfPR9qcjYa+iK3HlDeo=; b=7M0NCnXbuQxu9SAUTdw6OKsAcvxWhkzu1iDFMcy0gzkneSAbi5oACmbnipoXorPUEQNEC0 mTmkNm6zps7UzQCg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 4958E13487; Tue, 24 Jan 2023 13:40:12 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 8Kr0ELzfz2PWZgAAMHmgww (envelope-from ); Tue, 24 Jan 2023 13:40:12 +0000 From: Thomas Zimmermann To: airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, javierm@redhat.com Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-tegra@vger.kernel.org, Thomas Zimmermann Subject: [PATCH v2 03/10] drm/fb-helper: Introduce drm_fb_helper_unprepare() Date: Tue, 24 Jan 2023 14:40:03 +0100 Message-Id: <20230124134010.30263-4-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230124134010.30263-1-tzimmermann@suse.de> References: <20230124134010.30263-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Move the fb-helper clean-up code into drm_fb_helper_unprepare(). No functional changes. v2: * declare as static inline (kernel test robot) Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/drm_fb_helper.c | 14 +++++++++++++- include/drm/drm_fb_helper.h | 5 +++++ 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index c5c13e192b64..4379bcd7718b 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -435,6 +435,18 @@ void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, } EXPORT_SYMBOL(drm_fb_helper_prepare); +/** + * drm_fb_helper_unprepare - clean up a drm_fb_helper structure + * @fb_helper: driver-allocated fbdev helper structure to set up + * + * Cleans up the framebuffer helper. Inverse of drm_fb_helper_prepare(). + */ +void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper) +{ + mutex_destroy(&fb_helper->lock); +} +EXPORT_SYMBOL(drm_fb_helper_unprepare); + /** * drm_fb_helper_init - initialize a &struct drm_fb_helper * @dev: drm device @@ -561,7 +573,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) } mutex_unlock(&kernel_fb_helper_lock); - mutex_destroy(&fb_helper->lock); + drm_fb_helper_unprepare(fb_helper); if (!fb_helper->client.funcs) drm_client_release(&fb_helper->client); diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index f443e1f11654..39710c570a04 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -230,6 +230,7 @@ drm_fb_helper_from_client(struct drm_client_dev *client) #ifdef CONFIG_DRM_FBDEV_EMULATION void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, const struct drm_fb_helper_funcs *funcs); +void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper); int drm_fb_helper_init(struct drm_device *dev, struct drm_fb_helper *helper); void drm_fb_helper_fini(struct drm_fb_helper *helper); int drm_fb_helper_blank(int blank, struct fb_info *info); @@ -296,6 +297,10 @@ static inline void drm_fb_helper_prepare(struct drm_device *dev, { } +static inline void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper) +{ +} + static inline int drm_fb_helper_init(struct drm_device *dev, struct drm_fb_helper *helper) {