From patchwork Fri Mar 3 14:51:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 13158902 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 86294C64EC4 for ; Fri, 3 Mar 2023 14:53:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E1FCE10E638; Fri, 3 Mar 2023 14:53:41 +0000 (UTC) Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by gabe.freedesktop.org (Postfix) with ESMTPS id B3A7010E638 for ; Fri, 3 Mar 2023 14:53:40 +0000 (UTC) Received: by mail-pl1-x62f.google.com with SMTP id z2so2865493plf.12 for ; Fri, 03 Mar 2023 06:53:40 -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=aujyWPMFHiJShpD2rYyPMOf2wRQo87mEd8rP+CNjbJo=; b=erNIyvHi5SVgcpvgvhgkRAw/PQH5VhOu+Z14lyz7vZUAaWJ1HBzOryjsmIkohs57Qz Rav/xys05y9WX++UjFcOoEp+ECexwacCVKFAK7PF8wocTVpXrTTu144ZGSSR8I9FRx0j ThdzfthxwFqyf+DdXdEMW0kXZzz3H5TROoPlQ= 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=aujyWPMFHiJShpD2rYyPMOf2wRQo87mEd8rP+CNjbJo=; b=p6kISk9hO26Eq6V8QW3mB7mN4fkF+jRioe3/zuBz9FVZ/EckBr2PLKYRDV1JaemvwN q9otQKL2rTuE18CR5bTTI5qp7paxw6d4vWNY0lTLW0hfwbx0hiM5eISEpYrfaqZbt3Ea NJbWxoGV8VzyYU4MEzC27gg/afHMhKDuTEBmxtjwtsB5R5Loe/6oAzZY5xzKWHZKx33a xkdMfPfVM5h+fojtTL+bboqN76wYQc8zD1qF3YHJL0Xszz+oRDb8jUwCi2CU0BGxKuPR QwtJ4u+hUWADAhBunBZgOyMqXufTMkx2NacUJIYvNhOjGtLO3NEbS3tqJllK6fCqYA75 4Idw== X-Gm-Message-State: AO0yUKW1FZ72XSmyxeunFde0OaYxNTKoGoeKXHtYhQ6i6hDLJLmkp87i RgKBeIXUy9iBs4Pif7aBpXbPyA== X-Google-Smtp-Source: AK7set//wi6XK3GdnYb/FMtSE9HHuo5wIh991VjF8hWOjdDl95RsK0pfHsfmt1DcTFHGFnPMtEBbsg== X-Received: by 2002:a05:6a21:9998:b0:cc:d514:62ce with SMTP id ve24-20020a056a21999800b000ccd51462cemr2896607pzb.44.1677855220331; Fri, 03 Mar 2023 06:53:40 -0800 (PST) Received: from localhost.localdomain ([183.83.137.89]) by smtp.gmail.com with ESMTPSA id z4-20020a63e544000000b00502fd70b0bdsm1660856pgj.52.2023.03.03.06.53.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Mar 2023 06:53:39 -0800 (PST) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Neil Armstrong , Marek Vasut , Maxime Ripard Subject: [PATCH v15 16/16] drm: bridge: samsung-dsim: Add i.MX8M Plus support Date: Fri, 3 Mar 2023 20:21:38 +0530 Message-Id: <20230303145138.29233-17-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230303145138.29233-1-jagan@amarulasolutions.com> References: <20230303145138.29233-1-jagan@amarulasolutions.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: linux-samsung-soc@vger.kernel.org, Matteo Lisi , linux-amarula , Seung-Woo Kim , Frieder Schrempf , Kyungmin Park , dri-devel@lists.freedesktop.org, Adam Ford , Robert Foss , Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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: Marek Vasut Reviewed-by: Frieder Schrempf Acked-by: Robert Foss Signed-off-by: Marek Vasut Signed-off-by: Jagan Teki --- Changes for v15, v13: - none Changes for v12: - collect RB from Marek 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 3ffdaedaa261..b4a5348b763c 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) @@ -1452,10 +1453,17 @@ 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; @@ -1721,6 +1729,10 @@ 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, }; @@ -1810,6 +1822,8 @@ 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); @@ -1915,11 +1929,20 @@ 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 4ba387c958ae..fb923caf09e1 100644 --- a/include/drm/bridge/samsung-dsim.h +++ b/include/drm/bridge/samsung-dsim.h @@ -28,6 +28,7 @@ enum samsung_dsim_type { DSIM_TYPE_EXYNOS5422, DSIM_TYPE_EXYNOS5433, DSIM_TYPE_IMX8MM, + DSIM_TYPE_IMX8MP, DSIM_TYPE_COUNT, };