From patchwork Fri Jan 3 03:12:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 11317647 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 25E8814BD for ; Sat, 4 Jan 2020 11:24:31 +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 04848217F4 for ; Sat, 4 Jan 2020 11:24:31 +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="j4oxqgxv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04848217F4 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 5A6326E419; Sat, 4 Jan 2020 11:23:49 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailgw01.mediatek.com (unknown [210.61.82.183]) by gabe.freedesktop.org (Postfix) with ESMTP id 701DE6E17B for ; Fri, 3 Jan 2020 03:12:55 +0000 (UTC) X-UUID: f44a66eac7e249c1ae5b04652d144ac0-20200103 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=RT3d9kWeiIuE9GL2srPbr1r8xa3wmXvPk20GUq9hFEg=; b=j4oxqgxvsuaW0MJD0JOher3/tAJ6Bt4/j+QlLyanP+BGpBRj4NJb3Q5psUmxZ1BDfBXhgQynIVnJbTzQOFAHQyxWvJtnVaqzWBQiP8kSmNE6kcd9NxXzi0GLe/z3WM4PMObjQ133Ru/LPpkcNc6CloKWpZGvfl2ZXhuOZD0wwQI=; X-UUID: f44a66eac7e249c1ae5b04652d144ac0-20200103 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1727894227; Fri, 03 Jan 2020 11:12:52 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 3 Jan 2020 11:12:24 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 3 Jan 2020 11:13:18 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , Rob Herring , Matthias Brugger Subject: [RESEND PATCH v6 16/17] drm/mediatek: add fifo_size into rdma private data Date: Fri, 3 Jan 2020 11:12:27 +0800 Message-ID: <1578021148-32413-17-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1578021148-32413-1-git-send-email-yongqiang.niu@mediatek.com> References: <1578021148-32413-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-Mailman-Approved-At: Sat, 04 Jan 2020 11:23:45 +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" the fifo size of rdma in mt8183 is different. rdma0 fifo size is 5k rdma1 fifo size is 2k 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 405afef..0e0af04a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -62,6 +62,7 @@ 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) @@ -130,10 +131,16 @@ 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; 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->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 @@ -142,7 +149,7 @@ 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); writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON); } @@ -284,6 +291,16 @@ 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) {