From patchwork Mon Dec 19 16:05:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13076948 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A94BAC4332F for ; Mon, 19 Dec 2022 17:54:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dzrod1H64O1gowMCKAJUyJFriMNdupx3RAq1WSMrHBc=; b=U0ZJTIxqK2ec5w uofnDIDJgYmb+ID+H25ol2xP+Nbxo/iEAagXEAy/RDpS3ghKO0IJzO17PcUyCSvP+Rhgg5DCusVca NsJl3dMYWvlFKLz9pouxD8XKjFkO1wjVdI3NIkmLv09/4M0rOuaow68PwcSEJlMasy4LC2WKEac/N /FjFHafOYj7Zw9ULf+etra8e5oBfAm2gusIMfHtr4nS83i3OKo24tJ6SaZmV0UrETXXp+HWvPW3qY bvqMR1EhqXyf9JdxqkBHO7P9gkdBJs/yD0Ag7ZbTCpj+OcvP5yNG9x2XuJof1BeDWJ4mnuKVJAa2D CPnuHwVxgxJfADoZVg+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7KJV-00H2dS-Bk; Mon, 19 Dec 2022 17:52:36 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7Idu-00Fn3b-0N for linux-arm-kernel@lists.infradead.org; Mon, 19 Dec 2022 16:05:36 +0000 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 D43293814D; Mon, 19 Dec 2022 16:05:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1671465922; 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=t7h0EXkUAVrRAP/PStW6XTr3++6xPsY6KDln6r0Rw7E=; b=u7ZYAWmY4Z+/LC6wlTezBTokc/XIEsHEjQ0W0RANZpeMnaZT6GB8YMAcYXr0BPDL7bvS4k s22o5XlBct47Iv4s8tcy2yfhv3zHzbqhQoxxkCRodTHaJfHYgYRtIbCq0z7lgLgd9RnnBc /a8jRAX7O8tgFDgmnQc2P2eBtggVyXg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1671465922; 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=t7h0EXkUAVrRAP/PStW6XTr3++6xPsY6KDln6r0Rw7E=; b=BJX4LNDRHzlZuDQdhKAJdNuaEUMNlnC8x6UTj+YQKrfJXdrFTqCnUrzFA23uDEl5GEt0la 5U6oHMHbA4uvxZAA== 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 9E74313910; Mon, 19 Dec 2022 16:05:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id cAPGJcKLoGPeZwAAMHmgww (envelope-from ); Mon, 19 Dec 2022 16:05:22 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@gmail.com, deller@gmx.de, javierm@redhat.com Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 18/18] drm/fbdev: Remove aperture handling and FBINFO_MISC_FIRMWARE Date: Mon, 19 Dec 2022 17:05:16 +0100 Message-Id: <20221219160516.23436-19-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221219160516.23436-1-tzimmermann@suse.de> References: <20221219160516.23436-1-tzimmermann@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221219_080530_324231_F2BFF3B9 X-CRM114-Status: GOOD ( 16.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org There are no users left of struct fb_info.apertures and the flag FBINFO_MISC_FIRMWARE. Remove both and the aperture-ownership code in the fbdev core. All code for aperture ownership is now located in the fbdev drivers. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/video/fbdev/core/fbmem.c | 33 ------------------------------ drivers/video/fbdev/core/fbsysfs.c | 1 - include/linux/fb.h | 22 -------------------- 3 files changed, 56 deletions(-) diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 3a6c8458eb8d..02217c33d152 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -13,7 +13,6 @@ #include -#include #include #include #include @@ -1653,32 +1652,6 @@ static void do_unregister_framebuffer(struct fb_info *fb_info) put_fb_info(fb_info); } -static int fb_aperture_acquire_for_platform_device(struct fb_info *fb_info) -{ - struct apertures_struct *ap = fb_info->apertures; - struct device *dev = fb_info->device; - struct platform_device *pdev; - unsigned int i; - int ret; - - if (!ap) - return 0; - - if (!dev_is_platform(dev)) - return 0; - - pdev = to_platform_device(dev); - - for (ret = 0, i = 0; i < ap->count; ++i) { - ret = devm_aperture_acquire_for_platform_device(pdev, ap->ranges[i].base, - ap->ranges[i].size); - if (ret) - break; - } - - return ret; -} - /** * register_framebuffer - registers a frame buffer device * @fb_info: frame buffer info structure @@ -1693,12 +1666,6 @@ register_framebuffer(struct fb_info *fb_info) { int ret; - if (fb_info->flags & FBINFO_MISC_FIRMWARE) { - ret = fb_aperture_acquire_for_platform_device(fb_info); - if (ret) - return ret; - } - mutex_lock(®istration_lock); ret = do_register_framebuffer(fb_info); mutex_unlock(®istration_lock); diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c index 4d7f63892dcc..0c33c4adcd79 100644 --- a/drivers/video/fbdev/core/fbsysfs.c +++ b/drivers/video/fbdev/core/fbsysfs.c @@ -88,7 +88,6 @@ void framebuffer_release(struct fb_info *info) mutex_destroy(&info->bl_curve_mutex); #endif - kfree(info->apertures); kfree(info); } EXPORT_SYMBOL(framebuffer_release); diff --git a/include/linux/fb.h b/include/linux/fb.h index 96b96323e9cb..30183fd259ae 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -423,8 +423,6 @@ struct fb_tile_ops { */ #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 -/* where the fb is a firmware driver, and can be replaced with a proper one */ -#define FBINFO_MISC_FIRMWARE 0x80000 /* * Host and GPU endianness differ. */ @@ -499,30 +497,10 @@ struct fb_info { void *fbcon_par; /* fbcon use-only private area */ /* From here on everything is device dependent */ void *par; - /* we need the PCI or similar aperture base/size not - smem_start/size as smem_start may just be an object - allocated inside the aperture so may not actually overlap */ - struct apertures_struct { - unsigned int count; - struct aperture { - resource_size_t base; - resource_size_t size; - } ranges[0]; - } *apertures; bool skip_vt_switch; /* no VT switch on suspend/resume required */ }; -static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { - struct apertures_struct *a; - - a = kzalloc(struct_size(a, ranges, max_num), GFP_KERNEL); - if (!a) - return NULL; - a->count = max_num; - return a; -} - #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT /* This will go away