From patchwork Mon Dec 24 08:08:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 10742203 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E1EE214DE for ; Mon, 24 Dec 2018 10:53:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD55028C13 for ; Mon, 24 Dec 2018 10:53:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C118828C15; Mon, 24 Dec 2018 10:53:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=2.0 tests=BAYES_00,HTML_MESSAGE, MAILING_LIST_MULTI,MIME_BASE64_TEXT,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 52D7D28C13 for ; Mon, 24 Dec 2018 10:53:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 110FD6E584; Mon, 24 Dec 2018 10:53:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTPS id C07216E08A for ; Mon, 24 Dec 2018 08:15:28 +0000 (UTC) X-UUID: ef30f8e60a784e3b80911cb2def3a82f-20181224 X-UUID: ef30f8e60a784e3b80911cb2def3a82f-20181224 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1542866241; Mon, 24 Dec 2018 16:10:14 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 24 Dec 2018 16:10:13 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 24 Dec 2018 16:10:12 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , David Airlie , Rob Herring , Mark Rutland , Matthias Brugger Subject: [PATCH 15/18] drm/mediatek: add RDMA1 fifo size into RDMA private data Date: Mon, 24 Dec 2018 16:08:48 +0800 Message-ID: <1545638931-24938-16-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1545638931-24938-1-git-send-email-yongqiang.niu@mediatek.com> References: <1545638931-24938-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: CA9470C2AE56FFF028BC04F544BB72BA70AAFC144F5D34D267619ADA12BBEBEC2000:8 X-Mailman-Approved-At: Mon, 24 Dec 2018 10:52:02 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Yongqiang Niu , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch add RDMA1 fifo size into RDMA private data Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index b0a5cff..3f9b4d4 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -53,12 +53,14 @@ #define RDMA_FIFO_PSEUDO_SIZE(bytes) (((bytes) / 16) << 16) #define RDMA_OUTPUT_VALID_FIFO_THRESHOLD(bytes) ((bytes) / 16) #define RDMA_FIFO_SIZE(rdma) ((rdma)->data->fifo_size) +#define RDMA_FIFO_SIZE1(rdma) ((rdma)->data->fifo_size1) #define DISP_RDMA_MEM_START_ADDR 0x0f00 #define RDMA_MEM_GMC 0x40402020 struct mtk_disp_rdma_data { unsigned int fifo_size; + unsigned int fifo_size1; }; /** @@ -137,11 +139,17 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, { unsigned int threshold; unsigned int reg; + unsigned int rdma_fifo_size; struct mtk_disp_rdma *rdma = comp_to_rdma(comp); rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width); rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height); + if (comp->id == DDP_COMPONENT_RDMA1) + rdma_fifo_size = RDMA_FIFO_SIZE1(rdma); + else + rdma_fifo_size = RDMA_FIFO_SIZE(rdma); + /* * Enable FIFO underflow since DSI and DPI can't be blocked. * Keep the FIFO pseudo size reset default of 8 KiB. Set the @@ -149,8 +157,12 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, * account for blanking, and with a pixel depth of 4 bytes: */ threshold = width * height * vrefresh * 4 * 7 / 1000000; + + if (threshold > rdma_fifo_size) + threshold = rdma_fifo_size; + reg = RDMA_FIFO_UNDERFLOW_EN | - RDMA_FIFO_PSEUDO_SIZE(RDMA_FIFO_SIZE(rdma)) | + RDMA_FIFO_PSEUDO_SIZE(rdma_fifo_size) | RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold); writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON); } @@ -330,10 +342,12 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev) static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = { .fifo_size = SZ_4K, + .fifo_size1 = SZ_4K, }; static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = { .fifo_size = SZ_8K, + .fifo_size1 = SZ_8K, }; static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {