From patchwork Mon May 23 10:47:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guillaume Ranquet X-Patchwork-Id: 12858822 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C246EC4167E for ; Mon, 23 May 2022 10:52:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234476AbiEWKwH (ORCPT ); Mon, 23 May 2022 06:52:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234444AbiEWKvw (ORCPT ); Mon, 23 May 2022 06:51:52 -0400 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A22C2E9D1 for ; Mon, 23 May 2022 03:51:49 -0700 (PDT) Received: by mail-wr1-x42e.google.com with SMTP id e2so9127741wrc.1 for ; Mon, 23 May 2022 03:51:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4zP6HMIa2YPzZ4Ud3UnVV9v/2WWghDZEujrnaWZbPns=; b=CVxXAcJ7h3wlqtwZU9H9KpppU+0u/RTKAuP4gBIGTnyBTrBe1J9DA3/oPGdgksz0xy GLUAXoK2K5PD5Qa5uoLYqngMrUqTrBQJ22WiVornX3mY7lg3WgNkr4opKRljcDGJ+/bZ bW3RuhkiUKraQUELKEkJxDdqc9nVn+Cdrp9idbZpPPJXCWSoi+iPXeHO6GRdDakV8A0+ KEZmDMyXYpfBriNae5MHHjylHFP8Q/FOiVWpPyPtKhse51L0ASaj2EH1H/nCY3QgBzmZ PDdfqUyUduPQmp+OuR3gzYBUFeiFmKAZZCk6UmkCYrXc5uFd1B9NK+3wO+q7fCqOFV0R g8Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4zP6HMIa2YPzZ4Ud3UnVV9v/2WWghDZEujrnaWZbPns=; b=3z8PskrFgsmhqAXx/vvMcl0LBe343XFpuGYOLPMINlUKGlm9+/zHCUI9SF7yuIRdPr 8dyD3dt3a16lCPa6HGZ9F/ijS6dFzbbzntXa1Idf2UX86bBDdkkWov1GlCG44Acn06jp 8P6GXbl8YXxgaNvnk5G43BxAh35s+iMWNOBTjABekpr7MUJAunE+YXNwOJyxQHlfdRs8 9Jz3tMTdeMrs5ptFv8a5kZ0d1aR7nOa9zzLexrzNroCmsr154c3xCooZm+HtiiqOQHdc u8YS2UidSrEZWwgRzLyD1r4rUxA8qZwURX8aNMct09AZHFTxQPHj8uG6kivlal5gQWTR ZYTA== X-Gm-Message-State: AOAM5319YjVHcshGvzejEgg6cm8oaWZ5e2DziGdJ6ttJIVFciJk4zfFu OijvcxY7yShFXJmKyKkA2+JwXQ== X-Google-Smtp-Source: ABdhPJyQ9VeNqhjj7qlI7JhdS3acBdep+9UKDmpO3Y91brQHC2cBHqOMlHX3SGs3/FwHb18YDgbYJA== X-Received: by 2002:a5d:6484:0:b0:20f:cc0b:e3f1 with SMTP id o4-20020a5d6484000000b0020fcc0be3f1mr8011615wri.237.1653303109362; Mon, 23 May 2022 03:51:49 -0700 (PDT) Received: from localhost.localdomain (2a02-8440-6141-9d1b-3074-96af-9642-0003.rev.sfr.net. [2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:48 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Subject: [PATCH v10 16/21] drm/meditek: dpi: Add matrix_sel helper Date: Mon, 23 May 2022 12:47:49 +0200 Message-Id: <20220523104758.29531-17-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Add a mtk_dpi_matrix_sel() helper to update the DPI_MATRIX_SET register depending on the color format. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 3 +++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index a6b6d62a17e7..5b88a7ed5845 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -386,6 +386,25 @@ static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi) mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN); } +static void mtk_dpi_matrix_sel(struct mtk_dpi *dpi, enum mtk_dpi_out_color_format format) +{ + u32 matrix_sel = 0; + + switch (format) { + case MTK_DPI_COLOR_FORMAT_YCBCR_422: + case MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL: + case MTK_DPI_COLOR_FORMAT_YCBCR_444: + case MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL: + case MTK_DPI_COLOR_FORMAT_XV_YCC: + if (dpi->mode.hdisplay <= 720) + matrix_sel = 0x2; + break; + default: + break; + } + mtk_dpi_mask(dpi, DPI_MATRIX_SET, matrix_sel, INT_MATRIX_SEL_MASK); +} + static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, enum mtk_dpi_out_color_format format) { @@ -393,6 +412,7 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, true); + mtk_dpi_matrix_sel(dpi, format); if (dpi->conf->swap_input_support) mtk_dpi_config_swap_input(dpi, false); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_BGR); @@ -400,6 +420,7 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { mtk_dpi_config_yuv422_enable(dpi, true); mtk_dpi_config_csc_enable(dpi, true); + mtk_dpi_matrix_sel(dpi, format); if (dpi->conf->swap_input_support) mtk_dpi_config_swap_input(dpi, true); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h index dd47dd3f2e4f..91b32dfffced 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -231,6 +231,9 @@ #define EDGE_SEL_EN BIT(5) #define H_FRE_2N BIT(25) +#define DPI_MATRIX_SET 0xB4 +#define INT_MATRIX_SEL BIT(0) +#define INT_MATRIX_SEL_MASK (0x1F << 0) #define RGB_TO_JPEG 0x00 #define RGB_TO_FULL709 0x01 #define RGB_TO_BT601 0x02