From patchwork Mon Dec 19 16:05:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 635289 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 AF581C63709 for ; Mon, 19 Dec 2022 16:05:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232081AbiLSQFh (ORCPT ); Mon, 19 Dec 2022 11:05:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231840AbiLSQFY (ORCPT ); Mon, 19 Dec 2022 11:05:24 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF36FDE93; Mon, 19 Dec 2022 08:05:23 -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 62A4D6106B; 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=TA3a5UCvu+T6cGVUv2fP+uAA75vjFZc4XwLIqHS7zss=; b=FNwQicw5ASnAz1j2lbGQUHsL358NMsllfeHdZm5DLNhxsOLY9lu9Stw1PHBh0VJEbxCH1Q nxik6kB49QPVBopQkOiTnZRRAtP+zVFL95RKZjlqvpGDbpGdOYoMCMzR8ySAhy14H0L4Ee /J0OXjgcfHGKJYvXOvi43e3h8hTsqbQ= 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=TA3a5UCvu+T6cGVUv2fP+uAA75vjFZc4XwLIqHS7zss=; b=2GyFGQ6UIYjZ/0fswPwJCnbqyO1wiWiMMEIGx6DNWI5pWAT1nZ+lopSVkSzPsJF0sPeBYi 5hx2jNvDMjFsEyDw== 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 2BD7913910; 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 sJrdCcKLoGPeZwAAMHmgww (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 16/18] fbdev/vesafb: Do not use struct fb_info.apertures Date: Mon, 19 Dec 2022 17:05:14 +0100 Message-Id: <20221219160516.23436-17-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 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Acquire ownership of the firmware scanout buffer by calling Linux' aperture helpers. Remove the use of struct fb_info.apertures and do not set FBINFO_MISC_FIRMWARE; both of which previously configured buffer ownership. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/video/fbdev/vesafb.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c index 47ce244e4bb8..3f8bdfcf51f0 100644 --- a/drivers/video/fbdev/vesafb.c +++ b/drivers/video/fbdev/vesafb.c @@ -9,6 +9,7 @@ * */ +#include #include #include #include @@ -31,6 +32,8 @@ struct vesafb_par { u32 pseudo_palette[256]; + resource_size_t base; + resource_size_t size; int wc_cookie; struct resource *region; }; @@ -191,7 +194,7 @@ static void vesafb_destroy(struct fb_info *info) arch_phys_wc_del(par->wc_cookie); if (info->screen_base) iounmap(info->screen_base); - release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size); + release_mem_region(par->base, par->size); framebuffer_release(info); } @@ -316,14 +319,8 @@ static int vesafb_probe(struct platform_device *dev) par = info->par; info->pseudo_palette = par->pseudo_palette; - /* set vesafb aperture size for generic probing */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - err = -ENOMEM; - goto err; - } - info->apertures->ranges[0].base = screen_info.lfb_base; - info->apertures->ranges[0].size = size_total; + par->base = screen_info.lfb_base; + par->size = size_total; printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); @@ -460,27 +457,29 @@ static int vesafb_probe(struct platform_device *dev) info->fbops = &vesafb_ops; info->var = vesafb_defined; info->fix = vesafb_fix; - info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE | - (ypan ? FBINFO_HWACCEL_YPAN : 0); + info->flags = FBINFO_FLAG_DEFAULT | (ypan ? FBINFO_HWACCEL_YPAN : 0); if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { err = -ENOMEM; goto err_release_region; } + err = devm_aperture_acquire_for_platform_device(dev, par->base, par->size); + if (err) + goto err_fb_dealloc_cmap; if (register_framebuffer(info)<0) { err = -EINVAL; - fb_dealloc_cmap(&info->cmap); - goto err_release_region; + goto err_fb_dealloc_cmap; } fb_info(info, "%s frame buffer device\n", info->fix.id); return 0; +err_fb_dealloc_cmap: + fb_dealloc_cmap(&info->cmap); err_release_region: arch_phys_wc_del(par->wc_cookie); if (info->screen_base) iounmap(info->screen_base); if (par->region) release_region(0x3c0, 32); -err: framebuffer_release(info); release_mem_region(vesafb_fix.smem_start, size_total); return err;