From patchwork Tue Feb 11 11:33:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13969664 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9FA15C0219B for ; Tue, 11 Feb 2025 11:51:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bEF6AfkSbiyvf2usjCh5U7vU2pyR0o82pnyLstZOrTg=; b=g7Yz61dPCdKFr0OYg0CFMHBDzL g5SwNdf11K4ru/gEb1yrJ0yETAOe0d5AgvgNx1FG2/REfn6MLpMtOwx1x0SCW7PEFyuZEFzACFIXv kKluPkFTvBbI30WCYHrKNmaf4VWEFfzQVaHdVSowTirg58u+qOP4yP7XkjE2Pj/rMZ2YyRPfsREMZ kDwVcY9u+Ztkozn6iVW7rgn41iDEc9dD+dcTmZcT0mSt3tMhTOEZrfJXy0qrtDjLNGhru2m7elcSM xE7BzwUyGykOfH7E2A7mut8D32FIlqiLAsZwds7ONHT7GAaN/b4/XsBVTz+K/e4h0hmHUxnUtnQte RHYc/l/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1thony-00000003eJi-2Mcx; Tue, 11 Feb 2025 11:51:54 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1thoXE-00000003Yam-2h0t; Tue, 11 Feb 2025 11:34:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1739273675; bh=GR4JgfKdms8BHj/qOa5CGx5NpAK9n4ncT+0l8gLtOgA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iR1ly+WGsbvue8COtzMGjnWfQVfTeoWHWYCvtshh68ZhLbk35Y6IB2q5ww7HtCjSE 5CEJgXqfsC/jJYx8bQzNLv5aOEFg1tFOL5APcr7tBiXtswBlVl6+GV5k0cyKY/B0ph shlCUCNiiR+vKWhaoRCANRRD2PjSzxkXSecQRdjpKUm+sBnPn6CMtxMsNMxF8raZ4K UjQWrJKAwJ8EIW5Gp2Yueb6KCFG5sbhnxTYHzpPWZcKw+5N9J7gc7DRgWHvCgapctj P/JK37vi7fqQAwKqRDPp2rCtOjE34e0W27KNXTZf4G+PZ/+ynzdF3SeA2a2EV8g6Sj cTxqP4NdQwP/w== Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 147A017E1556; Tue, 11 Feb 2025 12:34:34 +0100 (CET) From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, ck.hu@mediatek.com, jitao.shi@mediatek.com, jie.qiu@mediatek.com, junzhi.zhao@mediatek.com, 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, kernel@collabora.com, dmitry.baryshkov@linaro.org, lewis.liao@mediatek.com, ives.chenjh@mediatek.com, tommyyl.chen@mediatek.com, jason-jh.lin@mediatek.com Subject: [PATCH v6 10/42] drm/mediatek: Add support for MT8195 Digital Parallel Interface Date: Tue, 11 Feb 2025 12:33:37 +0100 Message-ID: <20250211113409.1517534-11-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250211113409.1517534-1-angelogioacchino.delregno@collabora.com> References: <20250211113409.1517534-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250211_033436_843398_7A9EAAE6 X-CRM114-Status: GOOD ( 11.49 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add support for the DPI block found in the MT8195 and MT8188 SoCs. Inside of the SoC, this block is directly connected to the HDMI IP. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_dpi.c | 24 ++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 6 ++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 3 files changed, 32 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 67504eb874d2..e4b52ffc4414 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -1049,6 +1049,8 @@ static const struct mtk_dpi_factor dpi_factor_mt8195_dp_intf[] = { { 70000 - 1, 4 }, { 200000 - 1, 2 }, { U32_MAX, 1 } }; +static const struct mtk_dpi_factor dpi_factor_mt8195_dpi = { U32_MAX, 1 }; + static const struct mtk_dpi_conf mt8173_conf = { .dpi_factor = dpi_factor_mt8173, .num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8173), @@ -1141,6 +1143,27 @@ static const struct mtk_dpi_conf mt8192_conf = { .csc_enable_bit = CSC_ENABLE, }; +static const struct mtk_dpi_conf mt8195_conf = { + .dpi_factor = &dpi_factor_mt8195_dpi, + .num_dpi_factor = 1, + .max_clock_khz = 594000, + .output_fmts = mt8183_output_fmts, + .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), + .pixels_per_iter = 1, + .is_ck_de_pol = true, + .swap_input_support = true, + .support_direct_pin = true, + .dimension_mask = HPW_MASK, + .hvsize_mask = HSIZE_MASK, + .channel_swap_shift = CH_SWAP, + .yuv422_en_bit = YUV422_EN, + .csc_enable_bit = CSC_ENABLE, + .input_2p_en_bit = DPI_INPUT_2P_EN, + .clocked_by_hdmi = true, + .input_2pixel = true, + .output_1pixel = true, +}; + static const struct mtk_dpi_conf mt8195_dpintf_conf = { .dpi_factor = dpi_factor_mt8195_dp_intf, .num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8195_dp_intf), @@ -1245,6 +1268,7 @@ static const struct of_device_id mtk_dpi_of_ids[] = { { .compatible = "mediatek,mt8188-dp-intf", .data = &mt8195_dpintf_conf }, { .compatible = "mediatek,mt8192-dpi", .data = &mt8192_conf }, { .compatible = "mediatek,mt8195-dp-intf", .data = &mt8195_dpintf_conf }, + { .compatible = "mediatek,mt8195-dpi", .data = &mt8195_conf }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids); diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h index a0b1d18bbbf7..3c24d9e9f241 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -40,6 +40,12 @@ #define FAKE_DE_LEVEN BIT(21) #define FAKE_DE_RODD BIT(22) #define FAKE_DE_REVEN BIT(23) + +/* DPI_CON: DPI instances */ +#define DPI_OUTPUT_1T1P_EN BIT(24) +#define DPI_INPUT_2P_EN BIT(25) + +/* DPI_CON: DPINTF instances */ #define DPINTF_YUV422_EN BIT(24) #define DPINTF_CSC_ENABLE BIT(26) #define DPINTF_INPUT_2P_EN BIT(29) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index f22ad2882697..772c3d0f5d14 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -810,6 +810,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8195-dp-intf", .data = (void *)MTK_DP_INTF }, + { .compatible = "mediatek,mt8195-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi",