From patchwork Fri May 12 08:41:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13238893 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 5E1C4C7EE37 for ; Fri, 12 May 2023 08:42:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240243AbjELImG (ORCPT ); Fri, 12 May 2023 04:42:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240215AbjELImA (ORCPT ); Fri, 12 May 2023 04:42:00 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B280149F4; Fri, 12 May 2023 01:41:58 -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-out2.suse.de (Postfix) with ESMTPS id 500FC2043B; Fri, 12 May 2023 08:41:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1683880917; 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=mjuO+DxwR+YcO4n2FyX/dbJKiEf4TVp7gUioRCpA2lE=; b=IZRNxrtHGu0dxUAJX2sQPRM7gNsTKHYrEP0W/ERcJ8iwOu9CPS3eprCrJDEMM8c+IszlN1 cbUD/jNny49BU5YH+7EFz2qYbx83thn9yzZvhid2bIpfSdQ7v+RnV5OLwqWX3LSJgEq5KW KhNfbgcoM5r7bS5Qx5lk9QV1+Sh5meE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1683880917; 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=mjuO+DxwR+YcO4n2FyX/dbJKiEf4TVp7gUioRCpA2lE=; b=r7guFR5Xv9rWXRQaaSnjfpviJje2A+6SyiXKKbGF8Hlb7NhKr2o6aijVezJO/1Eh3Ogkxy jygU2c4iPNoI0ZCw== 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 1022113A0A; Fri, 12 May 2023 08:41:57 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id gCQcA9X7XWQZKQAAMHmgww (envelope-from ); Fri, 12 May 2023 08:41:57 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@gmail.com, 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 09/11] drm/fb-helper: Export helpers for marking damage areas Date: Fri, 12 May 2023 10:41:50 +0200 Message-Id: <20230512084152.31233-10-tzimmermann@suse.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230512084152.31233-1-tzimmermann@suse.de> References: <20230512084152.31233-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Export drm_fb_helper_damage() and drm_fb_helper_damage_range(), which handle damage areas for fbdev emulation. This is a temporary export that allows to move the DRM I/O helpers for fbdev into drivers. Only fbdev-generic and i915 need them. Both will be updated to implement damage handling by themselves and the exported functions will be removed. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_fb_helper.c | 19 +++++++++++++++++-- include/drm/drm_fb_helper.h | 4 ++++ 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index f0e9549b6bd7..8724e08c518b 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -625,13 +625,15 @@ static void drm_fb_helper_add_damage_clip(struct drm_fb_helper *helper, u32 x, u spin_unlock_irqrestore(&helper->damage_lock, flags); } -static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y, - u32 width, u32 height) +/* Don't use in new code. */ +void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y, + u32 width, u32 height) { drm_fb_helper_add_damage_clip(helper, x, y, width, height); schedule_work(&helper->damage_work); } +EXPORT_SYMBOL(drm_fb_helper_damage); /* * Convert memory region into area of scanlines and pixels per @@ -670,6 +672,19 @@ static void drm_fb_helper_memory_range_to_clip(struct fb_info *info, off_t off, drm_rect_init(clip, x1, y1, x2 - x1, y2 - y1); } +/* Don't use in new code. */ +void drm_fb_helper_damage_range(struct drm_fb_helper *fb_helper, off_t off, size_t len) +{ + struct fb_info *info = fb_helper->info; + struct drm_rect damage_area; + + drm_fb_helper_memory_range_to_clip(info, off, len, &damage_area); + drm_fb_helper_damage(fb_helper, damage_area.x1, damage_area.y1, + drm_rect_width(&damage_area), + drm_rect_height(&damage_area)); +} +EXPORT_SYMBOL(drm_fb_helper_damage_range); + /** * drm_fb_helper_deferred_io() - fbdev deferred_io callback function * @info: fb_info struct pointer diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 72032c354a30..80c402f4e379 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -253,6 +253,10 @@ void drm_fb_helper_fill_info(struct fb_info *info, struct drm_fb_helper *fb_helper, struct drm_fb_helper_surface_size *sizes); +void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y, + u32 width, u32 height); +void drm_fb_helper_damage_range(struct drm_fb_helper *helper, off_t off, size_t len); + void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagereflist); ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf,