From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E12A1C2BA83 for ; Fri, 14 Feb 2020 18:23:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AFEA62086A for ; Fri, 14 Feb 2020 18:23:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581704585; bh=m2QY89YMDTBv5LbPtFDrXsFu6fj+7Qh5AXzAdmpTi+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JITKIEgE5TURV/ykYBRUB8W6wJS5hNdIfZHAJ401WBGDFSEglIZDSnscg7VZqUE3r rrqpmqja7lN8WLVz4uQGcZ5GKpvM/+oOimPnaCBs7zAJ3VIQ2M0JsIHrvlvSSEnBWr HSxuPcy57AzmvDDkZCsxn/3XEli2ruXYFcaYKGcs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404468AbgBNSXE (ORCPT ); Fri, 14 Feb 2020 13:23:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:52348 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725955AbgBNPt1 (ORCPT ); Fri, 14 Feb 2020 10:49:27 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5095B2086A; Fri, 14 Feb 2020 15:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695366; bh=m2QY89YMDTBv5LbPtFDrXsFu6fj+7Qh5AXzAdmpTi+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rgCznXuN1StiYGEH71duvRbOls02tbU4tiOvcaLG6MfBKcF09BXtnJx+D8h+IpNJp MVF+8PTvHRXdmwbM33PXK4nklE17cX76V1ALssT5K0XzKL0IGElXpiLgd821slkhH/ Twn6YXg5HtG/V6s9KouuPGcDK5fytlO66m58JSWk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Geert Uytterhoeven , Laurent Pinchart , Sasha Levin , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 024/542] drm: rcar-du: Recognize "renesas,vsps" in addition to "vsps" Date: Fri, 14 Feb 2020 10:40:16 -0500 Message-Id: <20200214154854.6746-24-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org From: Geert Uytterhoeven [ Upstream commit 7b627ce80fbd05885b27f711a5f9820f2b40749a ] The Renesas-specific "vsps" property lacks a vendor prefix. Add a "renesas," prefix to comply with DT best practises. Retain backward compatibility with old DTBs by falling back to "vsps" when needed. Fixes: 6d62ef3ac30be756 ("drm: rcar-du: Expose the VSP1 compositor through KMS planes") Signed-off-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 0d59f390de19a..662d8075f4116 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -542,6 +542,7 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu) static int rcar_du_vsps_init(struct rcar_du_device *rcdu) { const struct device_node *np = rcdu->dev->of_node; + const char *vsps_prop_name = "renesas,vsps"; struct of_phandle_args args; struct { struct device_node *np; @@ -557,15 +558,21 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) * entry contains a pointer to the VSP DT node and a bitmask of the * connected DU CRTCs. */ - cells = of_property_count_u32_elems(np, "vsps") / rcdu->num_crtcs - 1; + ret = of_property_count_u32_elems(np, vsps_prop_name); + if (ret < 0) { + /* Backward compatibility with old DTBs. */ + vsps_prop_name = "vsps"; + ret = of_property_count_u32_elems(np, vsps_prop_name); + } + cells = ret / rcdu->num_crtcs - 1; if (cells > 1) return -EINVAL; for (i = 0; i < rcdu->num_crtcs; ++i) { unsigned int j; - ret = of_parse_phandle_with_fixed_args(np, "vsps", cells, i, - &args); + ret = of_parse_phandle_with_fixed_args(np, vsps_prop_name, + cells, i, &args); if (ret < 0) goto error; @@ -587,8 +594,8 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) /* * Store the VSP pointer and pipe index in the CRTC. If the - * second cell of the 'vsps' specifier isn't present, default - * to 0 to remain compatible with older DT bindings. + * second cell of the 'renesas,vsps' specifier isn't present, + * default to 0 to remain compatible with older DT bindings. */ rcdu->crtcs[i].vsp = &rcdu->vsps[j]; rcdu->crtcs[i].vsp_pipe = cells >= 1 ? args.args[0] : 0; -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72F0CC3B1A3 for ; Fri, 14 Feb 2020 15:49:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4497724654 for ; Fri, 14 Feb 2020 15:49:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rgCznXuN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4497724654 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BED996F972; Fri, 14 Feb 2020 15:49:26 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 527046F972 for ; Fri, 14 Feb 2020 15:49:26 +0000 (UTC) Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5095B2086A; Fri, 14 Feb 2020 15:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695366; bh=m2QY89YMDTBv5LbPtFDrXsFu6fj+7Qh5AXzAdmpTi+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rgCznXuN1StiYGEH71duvRbOls02tbU4tiOvcaLG6MfBKcF09BXtnJx+D8h+IpNJp MVF+8PTvHRXdmwbM33PXK4nklE17cX76V1ALssT5K0XzKL0IGElXpiLgd821slkhH/ Twn6YXg5HtG/V6s9KouuPGcDK5fytlO66m58JSWk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 024/542] drm: rcar-du: Recognize "renesas, vsps" in addition to "vsps" Date: Fri, 14 Feb 2020 10:40:16 -0500 Message-Id: <20200214154854.6746-24-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linux-renesas-soc@vger.kernel.org, Laurent Pinchart , dri-devel@lists.freedesktop.org, Geert Uytterhoeven Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Geert Uytterhoeven [ Upstream commit 7b627ce80fbd05885b27f711a5f9820f2b40749a ] The Renesas-specific "vsps" property lacks a vendor prefix. Add a "renesas," prefix to comply with DT best practises. Retain backward compatibility with old DTBs by falling back to "vsps" when needed. Fixes: 6d62ef3ac30be756 ("drm: rcar-du: Expose the VSP1 compositor through KMS planes") Signed-off-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 0d59f390de19a..662d8075f4116 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -542,6 +542,7 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu) static int rcar_du_vsps_init(struct rcar_du_device *rcdu) { const struct device_node *np = rcdu->dev->of_node; + const char *vsps_prop_name = "renesas,vsps"; struct of_phandle_args args; struct { struct device_node *np; @@ -557,15 +558,21 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) * entry contains a pointer to the VSP DT node and a bitmask of the * connected DU CRTCs. */ - cells = of_property_count_u32_elems(np, "vsps") / rcdu->num_crtcs - 1; + ret = of_property_count_u32_elems(np, vsps_prop_name); + if (ret < 0) { + /* Backward compatibility with old DTBs. */ + vsps_prop_name = "vsps"; + ret = of_property_count_u32_elems(np, vsps_prop_name); + } + cells = ret / rcdu->num_crtcs - 1; if (cells > 1) return -EINVAL; for (i = 0; i < rcdu->num_crtcs; ++i) { unsigned int j; - ret = of_parse_phandle_with_fixed_args(np, "vsps", cells, i, - &args); + ret = of_parse_phandle_with_fixed_args(np, vsps_prop_name, + cells, i, &args); if (ret < 0) goto error; @@ -587,8 +594,8 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) /* * Store the VSP pointer and pipe index in the CRTC. If the - * second cell of the 'vsps' specifier isn't present, default - * to 0 to remain compatible with older DT bindings. + * second cell of the 'renesas,vsps' specifier isn't present, + * default to 0 to remain compatible with older DT bindings. */ rcdu->crtcs[i].vsp = &rcdu->vsps[j]; rcdu->crtcs[i].vsp_pipe = cells >= 1 ? args.args[0] : 0; -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel