From patchwork Wed Sep 27 07:26:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13400152 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 04978E80AA2 for ; Wed, 27 Sep 2023 07:47:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230039AbjI0Hrh (ORCPT ); Wed, 27 Sep 2023 03:47:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230043AbjI0Hrb (ORCPT ); Wed, 27 Sep 2023 03:47:31 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 491EA1A5; Wed, 27 Sep 2023 00:47:28 -0700 (PDT) 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-out1.suse.de (Postfix) with ESMTPS id 14B652187B; Wed, 27 Sep 2023 07:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1695800845; 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=oY0i4UK34L7nr7xZ30uhUhEt/fgW7HZcMAw4vpL9y1w=; b=NAQrwn0vOHOUeDtuz8duOP1q1KKGXBNIwG07Y8PXZFF8/eRGffAGwSX+2wprVd5qKIS2nl tC3AyshRyocOz9YyWnCDPc/UznY2y1LGAWww2EaR2+DUSeHNa9fYbpNohnhZh9F1t7QoXs 6HShFT7l8mKFkOOGFsIncX4YANa7OCo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1695800845; 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=oY0i4UK34L7nr7xZ30uhUhEt/fgW7HZcMAw4vpL9y1w=; b=d4200Of02irElHR6+7mnD0qgX7ZRqn+zUs808jVnl3d30fb/rMv4QFpRj0NQgzfDXutwdf ZNF9qbsmrxvWVRAg== 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 D0C5C13A74; Wed, 27 Sep 2023 07:47:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id MMQpMgzeE2XvUQAAMHmgww (envelope-from ); Wed, 27 Sep 2023 07:47:24 +0000 From: Thomas Zimmermann To: deller@gmx.de, javierm@redhat.com, sam@ravnborg.org, arnd@arndb.de, daniel@ffwll.ch Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-nvidia@lists.surfsouth.com, linux-omap@vger.kernel.org, linux-parisc@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 01/46] fbdev: Provide I/O-memory helpers as module Date: Wed, 27 Sep 2023 09:26:34 +0200 Message-ID: <20230927074722.6197-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230927074722.6197-1-tzimmermann@suse.de> References: <20230927074722.6197-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Provide helpers for accessing I/O memory in a helper module. The fbdev core uses these helpers, so select the module unconditionally for fbdev. Drivers will later be able to select the module individually and the helpers will become optional. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/video/fbdev/core/Kconfig | 6 ++++++ drivers/video/fbdev/core/Makefile | 3 ++- drivers/video/fbdev/core/fb_io_fops.c | 3 +++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/core/Kconfig b/drivers/video/fbdev/core/Kconfig index 756c8603cf39b..7a3ed13bed708 100644 --- a/drivers/video/fbdev/core/Kconfig +++ b/drivers/video/fbdev/core/Kconfig @@ -4,6 +4,7 @@ # config FB_CORE + select FB_IOMEM_FOPS select VIDEO_CMDLINE tristate @@ -144,12 +145,17 @@ config FB_DMAMEM_HELPERS select FB_SYS_FOPS select FB_SYS_IMAGEBLIT +config FB_IOMEM_FOPS + tristate + depends on FB_CORE + config FB_IOMEM_HELPERS bool depends on FB_CORE select FB_CFB_COPYAREA select FB_CFB_FILLRECT select FB_CFB_IMAGEBLIT + select FB_IOMEM_FOPS config FB_IOMEM_HELPERS_DEFERRED bool diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile index 36d3156dc759c..c1d657601b2be 100644 --- a/drivers/video/fbdev/core/Makefile +++ b/drivers/video/fbdev/core/Makefile @@ -3,7 +3,7 @@ obj-$(CONFIG_FB_NOTIFY) += fb_notify.o obj-$(CONFIG_FB_CORE) += fb.o fb-y := fb_info.o \ fbmem.o fbcmap.o \ - modedb.o fbcvt.o fb_cmdline.o fb_io_fops.o + modedb.o fbcvt.o fb_cmdline.o ifdef CONFIG_FB fb-y += fb_backlight.o fbmon.o endif @@ -28,6 +28,7 @@ fb-$(CONFIG_LOGO) += fb_logo.o obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o +obj-$(CONFIG_FB_IOMEM_FOPS) += fb_io_fops.o obj-$(CONFIG_FB_SYS_FILLRECT) += sysfillrect.o obj-$(CONFIG_FB_SYS_COPYAREA) += syscopyarea.o obj-$(CONFIG_FB_SYS_IMAGEBLIT) += sysimgblt.o diff --git a/drivers/video/fbdev/core/fb_io_fops.c b/drivers/video/fbdev/core/fb_io_fops.c index 5985e5e1b040c..871b829521af3 100644 --- a/drivers/video/fbdev/core/fb_io_fops.c +++ b/drivers/video/fbdev/core/fb_io_fops.c @@ -131,3 +131,6 @@ ssize_t fb_io_write(struct fb_info *info, const char __user *buf, size_t count, return (cnt) ? cnt : err; } EXPORT_SYMBOL(fb_io_write); + +MODULE_DESCRIPTION("Fbdev helpers for framebuffers in I/O memory"); +MODULE_LICENSE("GPL");