From patchwork Fri Aug 3 03:10:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stu Hsieh X-Patchwork-Id: 10554533 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 12CC896FA for ; Fri, 3 Aug 2018 03:20:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EB6012C02B for ; Fri, 3 Aug 2018 03:20:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DF43F2C3AA; Fri, 3 Aug 2018 03:20:52 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7C65B2C02B for ; Fri, 3 Aug 2018 03:20:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OAlZ+VDRY1ijWfHBL+PDSFaEp1gP2Emjw5Op6nTzY08=; b=PmTZtSU/eRr64S T76OzLyhI0Gs5ftBvW3Y+5CIydyvr09L5oXXXuTqiw8jMI3M1uVJpwdDmBiG2cyPyIAH4Xhus03AZ sBRUEmDz3QovpxTqjUk4/ytKMTXuCpVuniKPF5wWBLiwh0l8D88+kDHQyxGE5pZuG8DAksLYDE095 Or4zITdMxTQSOj6uJn0j7Hgicy+DaZ1NFsXPSBceGqMlzFMy/y8zNN0Rh7gdToer/Zlf946WJA6Sp AwKnmJ6nFUwO/r6Y+UoDScw7cjIPvB0V64wU1kHkgXxfPalJhRVc1xgYKNSMgmwUyxtS8boxqVFdt +9c22W2qfF5gXbkIbtPg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1flQe2-0002yf-IL; Fri, 03 Aug 2018 03:20:50 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1flQV8-0002P3-I6; Fri, 03 Aug 2018 03:11:44 +0000 X-UUID: f973ce9cd7cb4642b1dc98176429a75a-20180803 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 181951400; Fri, 03 Aug 2018 11:11:13 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 3 Aug 2018 11:11:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 3 Aug 2018 11:11:11 +0800 From: Stu Hsieh To: CK Hu , Philipp Zabel Subject: [PATCH v2 06/15] drm/mediatek: add memory mode for RDMA Date: Fri, 3 Aug 2018 11:10:59 +0800 Message-ID: <1533265868-28110-7-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1533265868-28110-1-git-send-email-stu.hsieh@mediatek.com> References: <1533265868-28110-1-git-send-email-stu.hsieh@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180802_201138_971534_FAC56792 X-CRM114-Status: UNSURE ( 9.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: srv_heupstream@mediatek.com, David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Stu Hsieh , Matthias Brugger , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch add memory mode for RDMA If use RDMA to read data from memory, it should set memory mode to RDMA Signed-off-by: Stu Hsieh --- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 60851bb2dd63..1985035451ce 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -31,6 +31,7 @@ #define RDMA_REG_UPDATE_INT BIT(0) #define DISP_REG_RDMA_GLOBAL_CON 0x0010 #define RDMA_ENGINE_EN BIT(0) +#define RDMA_MODE_MEMORY BIT(1) #define DISP_REG_RDMA_SIZE_CON_0 0x0014 #define DISP_REG_RDMA_SIZE_CON_1 0x0018 #define DISP_REG_RDMA_TARGET_LINE 0x001c @@ -53,6 +54,7 @@ struct mtk_disp_rdma { struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; const struct mtk_disp_rdma_data *data; + bool rdma_memory_mode; }; static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp) @@ -121,10 +123,15 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, unsigned int threshold; unsigned int reg; struct mtk_disp_rdma *rdma = comp_to_rdma(comp); + bool *rdma_memory_mode = comp->comp_mode; 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 (*rdma_memory_mode == true) + rdma_update_bits(comp, DISP_REG_RDMA_GLOBAL_CON, + RDMA_MODE_MEMORY, RDMA_MODE_MEMORY); + /* * Enable FIFO underflow since DSI and DPI can't be blocked. * Keep the FIFO pseudo size reset default of 8 KiB. Set the