From patchwork Fri Feb 18 14:54:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guillaume Ranquet X-Patchwork-Id: 12751490 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0399AC4321E for ; Fri, 18 Feb 2022 14:56:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 981D910E587; Fri, 18 Feb 2022 14:56:13 +0000 (UTC) Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE96C10E587 for ; Fri, 18 Feb 2022 14:56:09 +0000 (UTC) Received: by mail-wr1-x442.google.com with SMTP id v12so15068271wrv.2 for ; Fri, 18 Feb 2022 06:56:09 -0800 (PST) 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=Rl9GJMwANTs4ZJlwlTLAUM9iGOwBbNwdWImM77zNitM=; b=Hq1ej1mQ2MMxf1bH4FLzvR7tpbxNj+Ol/3YFedobT9BlNZW3XGnLfALtYMiNcrFzvx 6wfzxXM7ZKIwy8BWbif2XP0qliiTiU2SwVHwOoJ0MqJE6DuHFSclcfH5h4QjN8UtDm8T IIaoAVlt8blotwG4zd4GBZQgaMwNFiq47JQGj0VDHJmeFcNcGBTyYfvmV4e0IQKILwBT YihSV6M8YUNaWuEcTz5iv2sOHevL3jcuTZNiVFYuLPZHhY6LtP5DRie4iwTinXqSZKgv Mnorce5EopmKWsKgTqFd7XpUdJOS75xN0MyOPsv4qcw3iMagdkdhheMdVHy6NhAu549X 1/5A== 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=Rl9GJMwANTs4ZJlwlTLAUM9iGOwBbNwdWImM77zNitM=; b=jqUu/lPNbTgTZUtIdsOv1hKPr0xldGNhgDdxY84jiXkA9CutUZpovi/xfZCRQpiQb/ 1oY5pldPjI/gbwPer5uMRjzI8WuNdMB/lXnLQmNMuZ6ALuph4nQ5h7A/+ALR91FYSzp2 D4bWkzzhJpBW2BsJstX/cgBqG+qibbaJisclkRV9C4y3AxVWeYfIcC4u/IlOL8EsFLlE BNNe2jnwuJ+IRXlqoTrANfdG23AFIGAMbvFyBub0O5/X4Z8SOJU4Zsw/9rD6MbYyBjrT Xyh9fg8eyw7ANylGWz6a6iszYkM4m2WpQT7dhBvCmb0b/RszyLfMhtEbZV0t/jASYwUC zQmQ== X-Gm-Message-State: AOAM530mt29/gkeoAB+73KAvOTHH84fYVyc1rPpKXZvqezQpUKtYZFZC HWqe4HxZ1c6OuNDOHY5/Gc5dXg== X-Google-Smtp-Source: ABdhPJzLbEEfYgSHqBNDUq8sOQOCufmyh+U/0S0P0s5vcWkm4sqUVe7KIKtrF43MUbMyX5wJmXLcDQ== X-Received: by 2002:adf:ec07:0:b0:1e3:1ef2:5ff6 with SMTP id x7-20020adfec07000000b001e31ef25ff6mr6336681wrn.255.1645196168227; Fri, 18 Feb 2022 06:56:08 -0800 (PST) Received: from localhost.localdomain (2a02-8440-6241-3b28-3074-96af-9642-0002.rev.sfr.net. [2a02:8440:6241:3b28:3074:96af:9642:2]) by smtp.gmail.com with ESMTPSA id b10sm47431454wrd.8.2022.02.18.06.56.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Feb 2022 06:56:07 -0800 (PST) From: Guillaume Ranquet To: chunkuang.hu@kernel.org, p.zabel@pengutronix.de, airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, matthias.bgg@gmail.com, chunfeng.yun@mediatek.com, kishon@ti.com, vkoul@kernel.org, deller@gmx.de, ck.hu@mediatek.com, jitao.shi@mediatek.com, angelogioacchino.delregno@collabora.com Subject: [PATCH v8 05/19] drm/mediatek: dpi: move dpi limits to board config Date: Fri, 18 Feb 2022 15:54:23 +0100 Message-Id: <20220218145437.18563-6-granquet@baylibre.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220218145437.18563-1-granquet@baylibre.com> References: <20220218145437.18563-1-granquet@baylibre.com> MIME-Version: 1.0 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: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add flexibility by moving the dpi limits to the board config Signed-off-by: Guillaume Ranquet Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_dpi.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 4554e2de14309..4746eb3425674 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -125,6 +125,7 @@ struct mtk_dpi_conf { bool edge_sel_en; const u32 *output_fmts; u32 num_output_fmts; + const struct mtk_dpi_yc_limit *limit; }; static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask) @@ -235,9 +236,10 @@ static void mtk_dpi_config_fb_size(struct mtk_dpi *dpi, u32 width, u32 height) mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, VSIZE_MASK); } -static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi, - struct mtk_dpi_yc_limit *limit) +static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi) { + const struct mtk_dpi_yc_limit *limit = dpi->conf->limit; + mtk_dpi_mask(dpi, DPI_Y_LIMIT, limit->y_bottom << Y_LIMINT_BOT, Y_LIMINT_BOT_MASK); mtk_dpi_mask(dpi, DPI_Y_LIMIT, limit->y_top << Y_LIMINT_TOP, @@ -449,7 +451,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, struct drm_display_mode *mode) { - struct mtk_dpi_yc_limit limit; struct mtk_dpi_polarities dpi_pol; struct mtk_dpi_sync_param hsync; struct mtk_dpi_sync_param vsync_lodd = { 0 }; @@ -484,11 +485,6 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, dev_dbg(dpi->dev, "Got PLL %lu Hz, pixel clock %lu Hz\n", pll_rate, vm.pixelclock); - limit.c_bottom = 0x0010; - limit.c_top = 0x0FE0; - limit.y_bottom = 0x0010; - limit.y_top = 0x0FE0; - dpi_pol.ck_pol = MTK_DPI_POLARITY_FALLING; dpi_pol.de_pol = MTK_DPI_POLARITY_RISING; dpi_pol.hsync_pol = vm.flags & DISPLAY_FLAGS_HSYNC_HIGH ? @@ -536,7 +532,7 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, else mtk_dpi_config_fb_size(dpi, vm.hactive, vm.vactive); - mtk_dpi_config_channel_limit(dpi, &limit); + mtk_dpi_config_channel_limit(dpi); mtk_dpi_config_bit_num(dpi, dpi->bit_num); mtk_dpi_config_channel_swap(dpi, dpi->channel_swap); mtk_dpi_config_yc_map(dpi, dpi->yc_map); @@ -790,12 +786,20 @@ static const u32 mt8183_output_fmts[] = { MEDIA_BUS_FMT_RGB888_2X12_BE, }; +static const struct mtk_dpi_yc_limit mtk_dpi_limit = { + .c_bottom = 0x0010, + .c_top = 0x0FE0, + .y_bottom = 0x0010, + .y_top = 0x0FE0, +}; + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, .max_clock_khz = 300000, .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), + .limit = &mtk_dpi_limit, }; static const struct mtk_dpi_conf mt2701_conf = { @@ -805,6 +809,7 @@ static const struct mtk_dpi_conf mt2701_conf = { .max_clock_khz = 150000, .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), + .limit = &mtk_dpi_limit, }; static const struct mtk_dpi_conf mt8183_conf = { @@ -813,6 +818,7 @@ static const struct mtk_dpi_conf mt8183_conf = { .max_clock_khz = 100000, .output_fmts = mt8183_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), + .limit = &mtk_dpi_limit, }; static const struct mtk_dpi_conf mt8192_conf = { @@ -821,6 +827,7 @@ static const struct mtk_dpi_conf mt8192_conf = { .max_clock_khz = 150000, .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), + .limit = &mtk_dpi_limit, }; static int mtk_dpi_probe(struct platform_device *pdev)