From mboxrd@z Thu Jan 1 00:00:00 1970 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 3D101ECAAD5 for ; Mon, 29 Aug 2022 18:42:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbiH2SmA (ORCPT ); Mon, 29 Aug 2022 14:42:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229751AbiH2Sl7 (ORCPT ); Mon, 29 Aug 2022 14:41:59 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E416580F5A for ; Mon, 29 Aug 2022 11:41:57 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id d12so8844205plr.6 for ; Mon, 29 Aug 2022 11:41:57 -0700 (PDT) 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; bh=qMo2BeLrtj91nopBHoVSTvJhtNl7A+ypG14iH2k8FGY=; b=ZpgS7uftmGFZSOl04iBzw07gfA6KeIJ2fQHgJdHp6/ptvxE1Dq+yURTcxPw9CIbR24 VCgXc2jNbaXZyz0DbzDzs5WYsY+fqxBtzVLvidscqpcSmWAtV14FLFAXQVnQwcCvOejU yHjNE+9yxlHEeYS3nMHg2hto6ctteXCgqaPGY= 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; bh=qMo2BeLrtj91nopBHoVSTvJhtNl7A+ypG14iH2k8FGY=; b=RqqvC0U6mcC3uOFMcK1WjxUlBpA9z8G/ulubTV38IOJSD8yrQde4oF9lB4K88rQHxJ qWumtMyp6PHAmGbfRDLo+9PXIZ2UCWWZTfgmnugdL4hDRV148uv2Jk3VhFGk53YoNaeY L1ch7AUYR30lif2Xe4hdL0zeJmuISj76iGlGlr3G2DUuWfTkpcDit1c4DqeD+K3adb/v qGwxvuBdNKu9Va/VNHEssNnnprJ+Y+0xeJkF8L/TIu1o/gcQnwPfUBgPCBHzqZgpezoW /KyvVvg+JT4fj9TGUKO1x9EdNx5BLzjfaApurq9BhPXeylwqdEXJl8xkQNMhlvrfP8Je u9CQ== X-Gm-Message-State: ACgBeo3bxIYiY4E5DbMpxh0kIi73P8iFLNmyVqvtpHnFNOcnZZ7EXuzU hnMLI51xKPk9HlFHy401dhLlvA== X-Google-Smtp-Source: AA6agR7hMWj5/1V3tsTMLSCcFFbtUriMndHyxL8lVLtumQeeomynZwBGu9ElH5+6JDkGSIEupOzN3A== X-Received: by 2002:a17:902:c611:b0:174:7f4c:3b4d with SMTP id r17-20020a170902c61100b001747f4c3b4dmr10823339plr.130.1661798517134; Mon, 29 Aug 2022 11:41:57 -0700 (PDT) Received: from localhost.localdomain ([2405:201:c00a:a073:43f7:1644:6259:830d]) by smtp.gmail.com with ESMTPSA id k13-20020aa7998d000000b005385e2e86eesm1619042pfh.18.2022.08.29.11.41.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Aug 2022 11:41:56 -0700 (PDT) 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: [PATCH v4 09/12] drm: bridge: samsung-dsim: Add atomic_get_input_bus_fmts Date: Tue, 30 Aug 2022 00:10:28 +0530 Message-Id: <20220829184031.1863663-10-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220829184031.1863663-1-jagan@amarulasolutions.com> References: <20220829184031.1863663-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Finding the right input bus format throughout the pipeline is hard so add atomic_get_input_bus_fmts callback and initialize with the default RGB888_1X24 bus format on DSI-end. This format can be used in pipeline for negotiating bus format between the DSI-end of this bridge and the other component closer to pipeline components. v4: * none v3: * include media-bus-format.h v2: * none v1: * new patch Signed-off-by: Jagan Teki --- drivers/gpu/drm/bridge/samsung-dsim.c | 28 +++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 724fd76435c6..871cc8cc5352 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -1341,6 +1342,32 @@ static void samsung_dsim_atomic_post_disable(struct drm_bridge *bridge, pm_runtime_put_sync(dsi->dev); } +#define MAX_INPUT_SEL_FORMATS 1 + +static u32 * +samsung_dsim_atomic_get_input_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + u32 output_fmt, + unsigned int *num_input_fmts) +{ + u32 *input_fmts; + + *num_input_fmts = 0; + + input_fmts = kcalloc(MAX_INPUT_SEL_FORMATS, sizeof(*input_fmts), + GFP_KERNEL); + if (!input_fmts) + return NULL; + + /* This is the DSI-end bus format */ + input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24; + *num_input_fmts = 1; + + return input_fmts; +} + static int samsung_dsim_atomic_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, @@ -1380,6 +1407,7 @@ static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, + .atomic_get_input_bus_fmts = samsung_dsim_atomic_get_input_bus_fmts, .atomic_check = samsung_dsim_atomic_check, .atomic_pre_enable = samsung_dsim_atomic_pre_enable, .atomic_enable = samsung_dsim_atomic_enable, -- 2.25.1