From patchwork Mon Jan 23 15:12:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 646950 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 36CFBC38142 for ; Mon, 23 Jan 2023 15:15:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232428AbjAWPPe (ORCPT ); Mon, 23 Jan 2023 10:15:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232419AbjAWPPW (ORCPT ); Mon, 23 Jan 2023 10:15:22 -0500 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D45A298E9 for ; Mon, 23 Jan 2023 07:14:42 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id 5so6380384plo.3 for ; Mon, 23 Jan 2023 07:14:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=aarpQnT43aQXsGZD812JWiD/2W82RnE9Rgav7f9Bikc=; b=HD4FGkxyM/WipodQlWAokFrl5rTII0AQvszS9r9tGKK3zf8eZJ7gZfVKo7exj8BdO7 qb1g+upipMVI+vVF6gRHsaIFzZpWOevrQ8I56xw4dBhLhSme3jl/KgjTfOvnTuGb4OSE SsizrlGPZ1PKCAVASf/8V+9qOugJwwcXZ9WfY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aarpQnT43aQXsGZD812JWiD/2W82RnE9Rgav7f9Bikc=; b=1wZQTEUPvQmX6Q/wBfNaU0qx5hOXXuRatxOedhC64USI1vw3mOTCdw7s3IZHxNYQ3M 3Dacw2t2N5fi4qLt7SLX9KMOC1J+mC3w0vL7mdpBcWakZpICQRF0+w4UBIKZRlZEW1KC yfgHeDXYch7z/7WEe+v7VFFQ/7AQstBbmlpSlZXudeSwdLHpKvophOYW2o8aGVpCfeR8 M8fE7wZGRD6FvBENuJ/lIEYBeDoVfn6qf5vQF/BH3p5pVU5JRY4UxJFSKbRZSkn+Tj4t nbRpx2K1fjjiW3aANiyHmmsWs7kBmFOtpTDprd9sebzepEROCBWkdkSZYvjMRCCAtz4e g6Kg== X-Gm-Message-State: AFqh2kq5mgiH4M2tCN6xm2BmtUg97GnTKkGYLbr+i1ssLtu5CH0yYWhD DHlupZlr71g2E2SEfunnNKIjeA== X-Google-Smtp-Source: AMrXdXtsike/ekG6oG4ieQLcueajbzX5AxS/CcWt3UbQQjvng3rMwFiTEo+e78BWtUIfzae/8B9Ujw== X-Received: by 2002:a17:903:2c7:b0:189:f7c2:7245 with SMTP id s7-20020a17090302c700b00189f7c27245mr28289205plk.45.1674486879770; Mon, 23 Jan 2023 07:14:39 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a15f:2279:f361:f93b:7971]) by smtp.gmail.com with ESMTPSA id d5-20020a170903230500b001754fa42065sm19207111plh.143.2023.01.23.07.14.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 07:14:39 -0800 (PST) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Frieder Schrempf , Fancy Fang , Tim Harvey , Michael Nazzareno Trimarchi , Adam Ford , Neil Armstrong , Robert Foss , Laurent Pinchart , Tommaso Merciai , Marek Vasut Cc: Matteo Lisi , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, NXP Linux Team , linux-amarula , Jagan Teki Subject: [RESEND PATCH v11 18/18] drm: bridge: samsung-dsim: Add i.MX8M Plus support Date: Mon, 23 Jan 2023 20:42:12 +0530 Message-Id: <20230123151212.269082-19-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230123151212.269082-1-jagan@amarulasolutions.com> References: <20230123151212.269082-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org From: Marek Vasut Add extras to support i.MX8M Plus. The main change is the removal of HS/VS/DE signal inversion in the LCDIFv3-DSIM glue logic, otherwise the implementation of this IP in i.MX8M Plus is very much compatible with the i.MX8M Mini/Nano one. Reviewed-by: Frieder Schrempf Acked-by: Robert Foss Signed-off-by: Marek Vasut Signed-off-by: Jagan Teki --- Changes for v11: - collect RB from Frieder - collect ACK from Robert Changes for v10: - none Changes for v9: - added im8mp in DSIM_STATE_REINITIALIZED check - drop previous = NULL check drivers/gpu/drm/bridge/samsung-dsim.c | 23 +++++++++++++++++++++++ include/drm/bridge/samsung-dsim.h | 1 + 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 18645c8eaba1..d93e589f5b91 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -479,6 +479,7 @@ samsung_dsim_types[DSIM_TYPE_COUNT] = { [DSIM_TYPE_EXYNOS5422] = &exynos5422_dsi_driver_data, [DSIM_TYPE_EXYNOS5433] = &exynos5433_dsi_driver_data, [DSIM_TYPE_IMX8MM] = &imx8mm_dsi_driver_data, + [DSIM_TYPE_IMX8MP] = &imx8mm_dsi_driver_data, }; static inline struct samsung_dsim *host_to_dsi(struct mipi_dsi_host *h) @@ -1462,10 +1463,17 @@ static int samsung_dsim_atomic_check(struct drm_bridge *bridge, * 13.6.2.7.2 RGB interface * both claim "Vsync, Hsync, and VDEN are active high signals.", the * LCDIF must generate inverted HS/VS/DE signals, i.e. active LOW. + * + * The i.MX8M Plus glue logic between LCDIFv3 and DSIM does not + * implement the same behavior, therefore LCDIFv3 must generate + * HS/VS/DE signals active HIGH. */ if (dsi->plat_data->hw_type == DSIM_TYPE_IMX8MM) { adjusted_mode->flags |= (DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); + } else if (dsi->plat_data->hw_type == DSIM_TYPE_IMX8MP) { + adjusted_mode->flags &= ~(DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); + adjusted_mode->flags |= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); } return 0; @@ -1640,6 +1648,10 @@ static const struct samsung_dsim_host_ops generic_dsim_host_ops = { .unregister_host = generic_dsim_unregister_host, }; +static const struct drm_bridge_timings samsung_dsim_bridge_timings_de_high = { + .input_bus_flags = DRM_BUS_FLAG_DE_HIGH, +}; + static const struct drm_bridge_timings samsung_dsim_bridge_timings_de_low = { .input_bus_flags = DRM_BUS_FLAG_DE_LOW, }; @@ -1729,6 +1741,8 @@ int samsung_dsim_probe(struct platform_device *pdev) /* DE_LOW: i.MX8M Mini/Nano LCDIF-DSIM glue logic inverts HS/VS/DE */ if (dsi->plat_data->hw_type == DSIM_TYPE_IMX8MM) dsi->bridge.timings = &samsung_dsim_bridge_timings_de_low; + else + dsi->bridge.timings = &samsung_dsim_bridge_timings_de_high; if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host) ret = dsi->plat_data->host_ops->register_host(dsi); @@ -1834,11 +1848,20 @@ static const struct samsung_dsim_plat_data samsung_dsim_imx8mm_pdata = { .host_ops = &generic_dsim_host_ops, }; +static const struct samsung_dsim_plat_data samsung_dsim_imx8mp_pdata = { + .hw_type = DSIM_TYPE_IMX8MP, + .host_ops = &generic_dsim_host_ops, +}; + static const struct of_device_id samsung_dsim_of_match[] = { { .compatible = "fsl,imx8mm-mipi-dsim", .data = &samsung_dsim_imx8mm_pdata, }, + { + .compatible = "fsl,imx8mp-mipi-dsim", + .data = &samsung_dsim_imx8mp_pdata, + }, { /* sentinel. */ } }; MODULE_DEVICE_TABLE(of, samsung_dsim_of_match); diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h index 86b15f9f57a7..d3a481d115a9 100644 --- a/include/drm/bridge/samsung-dsim.h +++ b/include/drm/bridge/samsung-dsim.h @@ -27,6 +27,7 @@ enum samsung_dsim_type { DSIM_TYPE_EXYNOS5422, DSIM_TYPE_EXYNOS5433, DSIM_TYPE_IMX8MM, + DSIM_TYPE_IMX8MP, DSIM_TYPE_COUNT, };