From patchwork Mon Jan 23 10:05:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13111850 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 DB0A0C05027 for ; Mon, 23 Jan 2023 10:06:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231602AbjAWKGL (ORCPT ); Mon, 23 Jan 2023 05:06:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231614AbjAWKGJ (ORCPT ); Mon, 23 Jan 2023 05:06:09 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CE3CA25E; Mon, 23 Jan 2023 02:06:05 -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 E92381F88D; Mon, 23 Jan 2023 10:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1674468363; 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=0bIGptZFfSoD5WJxS1vaUVITwwhclc5PpfsYYgkXcHI=; b=SUuP23Q2ZFfkocL6W6/SsSFMDE9DCgHq2PwTyXJ63EtN4k3uDowLlxKnJiZoo4k14lrd6s XHIWDrd6U7Lti81xzBd7yvJFZi0FkQp9vfA7Tds7n9QzWMlNUN1a/f+Y92vHA3kEdt5gZk 9CqVv0eO3+sCfTpQG+RPm4Tn7ObNE9w= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1674468363; 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=0bIGptZFfSoD5WJxS1vaUVITwwhclc5PpfsYYgkXcHI=; b=QDNDK0JM/de1SMaCMBI6LrdbgBb5bphjkE32rI4pK6sb5JRz0/CnctANbug6kkkkRkZA0/ 2mIFKk8hX030pbDA== 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 A3E22139FE; Mon, 23 Jan 2023 10:06:03 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id WJ4PJwtczmO+DwAAMHmgww (envelope-from ); Mon, 23 Jan 2023 10:06:03 +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 03/10] drm/fb-helper: Introduce drm_fb_helper_unprepare() Date: Mon, 23 Jan 2023 11:05:52 +0100 Message-Id: <20230123100559.12351-4-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230123100559.12351-1-tzimmermann@suse.de> References: <20230123100559.12351-1-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. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_fb_helper.c | 14 +++++++++++++- include/drm/drm_fb_helper.h | 4 ++++ 2 files changed, 17 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..123f2ef035c5 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); @@ -295,6 +296,9 @@ static inline void drm_fb_helper_prepare(struct drm_device *dev, const struct drm_fb_helper_funcs *funcs) { } +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)