From patchwork Thu Nov 30 12:23:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Yan X-Patchwork-Id: 13474323 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A0F04C10DC1 for ; Thu, 30 Nov 2023 12:23:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AE42110E6EC; Thu, 30 Nov 2023 12:23:49 +0000 (UTC) Received: from m15.mail.163.com (m15.mail.163.com [45.254.50.220]) by gabe.freedesktop.org (Postfix) with ESMTP id 9864C10E6EA for ; Thu, 30 Nov 2023 12:23:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=aescF 38z6fBhd2gmVmB/UL5kxawZRAL0of1bYn6ck7c=; b=ku2fuzpuWNF9/yrNaKf9W yM0I68RIFy9k2NQV9Zq71Z8pYr3rdFTflJJvK+ZT9qcBZBhiBj7gPnvMba7zOPMn Fth1kwx95wTcsgNoqfHEiGr14Xh+0wjCJDPgET/p2JQVZ3gYdfPT9iGQn4Mebu0l w3AcVEiGBIKQ6aM7v0lT5Q= Received: from ProDesk.. (unknown [58.22.7.114]) by zwqz-smtp-mta-g1-1 (Coremail) with SMTP id _____wDn77a_fmhlZLiqCQ--.51133S2; Thu, 30 Nov 2023 20:23:30 +0800 (CST) From: Andy Yan To: heiko@sntech.de Subject: [PATCH v3 05/14] drm/rockchip: vop2: Add write mask for VP config done Date: Thu, 30 Nov 2023 20:23:26 +0800 Message-Id: <20231130122326.13014-1-andyshrk@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231130122001.12474-1-andyshrk@163.com> References: <20231130122001.12474-1-andyshrk@163.com> MIME-Version: 1.0 X-CM-TRANSID: _____wDn77a_fmhlZLiqCQ--.51133S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7uw4rKw17GrW5WF13XF4fKrg_yoW8Ww1fpF yrAay5urs2kF42gr1DKFy5Zr1ayasrAa92yr97Kw13Xas0qr1DZrn0kF1jyr98JFWxZr1a ywsrAryrGF4jvrJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jSzuXUUUUU= X-Originating-IP: [58.22.7.114] X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbBEgQ4XmVOAqtkeAAAsu 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: devicetree@vger.kernel.org, chris.obbard@collabora.com, hjc@rock-chips.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kever.yang@rock-chips.com, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, Andy Yan , sebastian.reichel@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Andy Yan The write mask bit is used to make sure when writing config done bit for one VP will not overwrite the other. Unfortunately, the write mask bit is missing on rk3566/8, that means when we write to these bits, it will not take any effect. We need this to make the vop work properly after rk3566/8 variants. Signed-off-by: Andy Yan --- Changes in v3: - split from the vop2 driver patch drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index a019cc9bbd54..25c1f33c5622 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -268,12 +268,23 @@ static bool vop2_cluster_window(const struct vop2_win *win) return win->data->feature & WIN_FEATURE_CLUSTER; } +/* + * Note: + * The write mask function is missing on rk3566/8, write + * to this bit has no effect, for the other soc(rk3588 and + * the following...), this function works well. + * + * GLB_CFG_DONE_EN doesn't have a write mask bit + * + */ static void vop2_cfg_done(struct vop2_video_port *vp) { struct vop2 *vop2 = vp->vop2; + u32 val = RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN; + + val |= BIT(vp->id) | (BIT(vp->id) << 16); - regmap_set_bits(vop2->map, RK3568_REG_CFG_DONE, - BIT(vp->id) | RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN); + regmap_set_bits(vop2->map, RK3568_REG_CFG_DONE, val); } static void vop2_win_disable(struct vop2_win *win)