From patchwork Sat Aug 8 02:53:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 11707089 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F011514F6 for ; Mon, 10 Aug 2020 07:36:46 +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 CDD1F2073A for ; Mon, 10 Aug 2020 07:36:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="oixF0R5e" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CDD1F2073A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com 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 8631D89EA3; Mon, 10 Aug 2020 07:36:09 +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 ESMTP id D1A436E0F6 for ; Sat, 8 Aug 2020 02:54:47 +0000 (UTC) X-UUID: 5e27325285174b1b82851a510028635a-20200808 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=MHq/uU/tNRZCdlIsrS4UrGJdmAWY+kaQP1yt6SUyZBQ=; b=oixF0R5ewHZ3yEXPB2oYUrijs7dp7e768hdB4lwEfrvUcciMQN3UcsaBl/SmnXS3yhY+l8kQGIDPCrDwv1D5EIPhNiLOTZg6ZK5LF5n9XCdLB7ThK4WGbP4QrDSXueSc2y0HgUYDCKhvE7gOhzEuQ5wt6jo1kOH52lTTRlH1Kl4=; X-UUID: 5e27325285174b1b82851a510028635a-20200808 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 740594823; Sat, 08 Aug 2020 10:54:45 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 8 Aug 2020 10:54:43 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 8 Aug 2020 10:54:42 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , Rob Herring , Matthias Brugger Subject: [RESEND v7, PATCH 5/7] drm/mediatek: add fifo_size into rdma private data Date: Sat, 8 Aug 2020 10:53:49 +0800 Message-ID: <1596855231-5782-6-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1596855231-5782-1-git-send-email-yongqiang.niu@mediatek.com> References: <1596855231-5782-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-Mailman-Approved-At: Mon, 10 Aug 2020 07:35:59 +0000 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: Mark Rutland , devicetree@vger.kernel.org, Yongqiang Niu , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Get the fifo size from device tree because each rdma in the same SoC may have different fifo size Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index e04319f..794acc5 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -63,6 +63,7 @@ struct mtk_disp_rdma { struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; const struct mtk_disp_rdma_data *data; + u32 fifo_size; }; static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp) @@ -131,12 +132,18 @@ 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); + u32 rdma_fifo_size; mtk_ddp_write_mask(cmdq_pkt, width, comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff); mtk_ddp_write_mask(cmdq_pkt, height, comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff); + if (rdma->fifo_size) + rdma_fifo_size = rdma->fifo_size; + 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 @@ -145,7 +152,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, */ threshold = width * height * vrefresh * 4 * 7 / 1000000; 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); mtk_ddp_write(cmdq_pkt, reg, comp, DISP_REG_RDMA_FIFO_CON); } @@ -291,6 +298,16 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) return comp_id; } + if (of_find_property(dev->of_node, "mediatek,rdma_fifo_size", &ret)) { + ret = of_property_read_u32(dev->of_node, + "mediatek,rdma_fifo_size", + &priv->fifo_size); + if (ret) { + dev_err(dev, "Failed to get rdma fifo size\n"); + return ret; + } + } + ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id, &mtk_disp_rdma_funcs); if (ret) {