From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47A4DC4646D for ; Thu, 9 Aug 2018 02:41:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0676121C2B for ; Thu, 9 Aug 2018 02:41:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0676121C2B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727763AbeHIFED (ORCPT ); Thu, 9 Aug 2018 01:04:03 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:6367 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725779AbeHIFEC (ORCPT ); Thu, 9 Aug 2018 01:04:02 -0400 X-UUID: e3558f404bc54e48a04a38b7a7bd5483-20180809 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1682476938; Thu, 09 Aug 2018 10:41:27 +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; Thu, 9 Aug 2018 10:41:26 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Thu, 9 Aug 2018 10:41:26 +0800 Message-ID: <1533782486.29986.2.camel@mtksdaap41> Subject: Re: [PATCH v4 08/14] drm/mediatek: add YUYV/UYVY color format support for RDMA From: CK Hu To: Stu Hsieh CC: Philipp Zabel , David Airlie , Matthias Brugger , , , , , Date: Thu, 9 Aug 2018 10:41:26 +0800 In-Reply-To: <1533780949-30141-9-git-send-email-stu.hsieh@mediatek.com> References: <1533780949-30141-1-git-send-email-stu.hsieh@mediatek.com> <1533780949-30141-9-git-send-email-stu.hsieh@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Stu: On Thu, 2018-08-09 at 10:15 +0800, Stu Hsieh wrote: > This patch add YUYV/UYVY color format support for RDMA > and transform matrix for YUYV/UYVY. > > Signed-off-by: Stu Hsieh Reviewed-by: CK Hu > --- > drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > index 1f57f86c7910..8b015c2d4418 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > @@ -33,6 +33,8 @@ > #define RDMA_ENGINE_EN BIT(0) > #define RDMA_MODE_MEMORY BIT(1) > #define DISP_REG_RDMA_SIZE_CON_0 0x0014 > +#define RDMA_MATRIX_ENABLE BIT(17) > +#define RDMA_MATRIX_INT_MTX_BT601_to_RGB (6 << 20) > #define DISP_REG_RDMA_SIZE_CON_1 0x0018 > #define DISP_REG_RDMA_TARGET_LINE 0x001c > #define DISP_RDMA_MEM_CON 0x0024 > @@ -46,12 +48,15 @@ > #define RDMA_FIFO_SIZE(rdma) ((rdma)->data->fifo_size) > #define DISP_RDMA_MEM_START_ADDR 0x0f00 > > +#define RDMA_MATRIX_INT_MTX_SEL GENMASK(23, 20) > #define RDMA_MEM_GMC 0x40402020 > > #define MEM_MODE_INPUT_FORMAT_RGB565 0x0 > #define MEM_MODE_INPUT_FORMAT_RGB888 (0x001 << 4) > #define MEM_MODE_INPUT_FORMAT_RGBA8888 (0x002 << 4) > #define MEM_MODE_INPUT_FORMAT_ARGB8888 (0x003 << 4) > +#define MEM_MODE_INPUT_FORMAT_UYVY (0x004 << 4) > +#define MEM_MODE_INPUT_FORMAT_YUYV (0x005 << 4) > > struct mtk_disp_rdma_data { > unsigned int fifo_size; > @@ -181,6 +186,10 @@ static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma, > case DRM_FORMAT_XBGR8888: > case DRM_FORMAT_ABGR8888: > return MEM_MODE_INPUT_FORMAT_RGBA8888 | MEM_MODE_INPUT_SWAP; > + case DRM_FORMAT_UYVY: > + return MEM_MODE_INPUT_FORMAT_UYVY; > + case DRM_FORMAT_YUYV: > + return MEM_MODE_INPUT_FORMAT_YUYV; > } > } > > @@ -197,6 +206,17 @@ static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, > con = rdma_fmt_convert(rdma, fmt); > writel_relaxed(con, comp->regs + DISP_RDMA_MEM_CON); > > + if (fmt == DRM_FORMAT_UYVY || fmt == DRM_FORMAT_YUYV) { > + rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, > + RDMA_MATRIX_ENABLE, RDMA_MATRIX_ENABLE); > + rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, > + RDMA_MATRIX_INT_MTX_SEL, > + RDMA_MATRIX_INT_MTX_BT601_to_RGB); > + } else { > + rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, > + RDMA_MATRIX_ENABLE, 0); > + } > + > writel_relaxed(addr, comp->regs + DISP_RDMA_MEM_START_ADDR); > writel_relaxed(pitch, comp->regs + DISP_RDMA_MEM_SRC_PITCH); > writel(RDMA_MEM_GMC, comp->regs + DISP_RDMA_MEM_GMC_SETTING_0);