From patchwork Fri Feb 14 13:17:46 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13974897 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 EE7F7C02198 for ; Fri, 14 Feb 2025 13:18:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 594B310EC91; Fri, 14 Feb 2025 13:18:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="iwpIHb8A"; dkim-atps=neutral Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4E67110EC8D for ; Fri, 14 Feb 2025 13:18:03 +0000 (UTC) Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-38f240ec571so113871f8f.0 for ; Fri, 14 Feb 2025 05:18:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1739539082; x=1740143882; darn=lists.freedesktop.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=4LE456UUhTzImlgmj9NPbG9NBfxzf+5xtSodgSen1s8=; b=iwpIHb8ALBny1W4Q5dadgsafQBNvR0rvupZ/tRP3Occ4PjwqEFbXoqK5UPhuG8XUvu QJzl19jMG9NLXilJzvhG0RrEpOiHUbbgn0wBrDH2wmFt0Xl3YbG08QZ19Di6SyIuoukJ J9xRmNvUp7h58bX/ptqiV9Xk3WvuOzD22VLBaDSZgFbp6YaVQAi4YMNSLJ5uzcy4yvJb +xaPc+4yGElCPTS0p11prdLgwsLU3tmASPLLjuGthyXpTG/X5JKT7yleK9WqFz4UdoHo GRoAblx7wi3RSsWXHrHlJhXu4B6bxI0E0drPaC4sbNFu6RmLSC3lXi6rBx5+mWjBodEM DCZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739539082; x=1740143882; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4LE456UUhTzImlgmj9NPbG9NBfxzf+5xtSodgSen1s8=; b=wK29aYP2T7pYOw9x2pAyBOnLJc+Yoewl/71MCMMuJjiuBqPfb5696yyUKtxltdqZ2T xC6WWzRoVBI1pKS/3uQg1PkZXgs/UvQIqgUjT2vFMvCxaajfaaJlPUpqjeGkUcCa4VF0 u3Dr+7BmORjIZ+8/zOV8/c9FPp2D2NDvjMLhNEoaNLPDGRD6MBtqcwQMyMbiuEA53Mz8 5TGzrNxL7Kt2WxKIjzDiHSiPXYyQMOBlf/8DOjiVvId5Zwow5BPL4oHuVbmaw3HUFFF1 zoyXv41LEjOJHMLORP0K7/c/YtI68niyQiv9i6t/4FSszjUbD5/u0exrFVUVQltQwOCW zg/A== X-Forwarded-Encrypted: i=1; AJvYcCXWTILgm0rD7HKQgPeT29Fi4/K3SNQ5g31hTIweLbsR9XB131hXYFFVztn1HESlioDa/YLdHSdvGbI=@lists.freedesktop.org X-Gm-Message-State: AOJu0YyAptkezdn6SoJ7bLYOVB89GFRrfsYKduZymdiooKCX6TTFFAtA 3T1rAgCd1iK7eOAkFAZEiVNFlomLravlwgZjkJs1ao141klMSysW6QLusdU8SPU= X-Gm-Gg: ASbGncujDbqcjV4G54BSRkohfED32ar0klVHf2QbYO0S7ebxG/Q6cgADYivgt1sJ1tj xaJeg37ldD0IpWSHFD3j/e7U5s0Om1oBAVTBvcZemY8H0TA7sno/ZENIg7COHWa520tAnQ1QaaT hOeMff8cbBUkrpkRV3jjaH7bKVKPm35O0h2/InosR/0yOogDyVtwNvZEwWJhLCIWtZs/H4l1WYy 6NVXZRFEH5JXZVJu1UEX5Z4ysNTWn/rmz6pltvHA2f4ADlnAXyk9u2zZnQqRLrlmp9D6R5zKaAO ywE1Uh7hDOlmYPS6Qi+KbMQf9yn61jQ= X-Google-Smtp-Source: AGHT+IERsb8pyYVEmTlSzt9ruB1hZL+QbDlon6/7017auPvH48KZTGyTGNiDtGRYQSA7i3P3XQptBw== X-Received: by 2002:a05:6000:2104:b0:38d:daf3:be5a with SMTP id ffacd0b85a97d-38f2c777a53mr1413782f8f.7.1739539081555; Fri, 14 Feb 2025 05:18:01 -0800 (PST) Received: from [127.0.1.1] ([178.197.218.144]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38f259d5655sm4607690f8f.77.2025.02.14.05.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2025 05:18:01 -0800 (PST) From: Krzysztof Kozlowski Date: Fri, 14 Feb 2025 14:17:46 +0100 Subject: [PATCH v2 3/4] drm/msm/dsi: Minor whitespace and style cleanup MIME-Version: 1.0 Message-Id: <20250214-drm-msm-cleanups-v2-3-1bec50f37dc1@linaro.org> References: <20250214-drm-msm-cleanups-v2-0-1bec50f37dc1@linaro.org> In-Reply-To: <20250214-drm-msm-cleanups-v2-0-1bec50f37dc1@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=5028; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=wrQ7FEvkfGwe1RgjRIh0czcnhsj69UfOzjSd6eJUfEs=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBnr0KBNopLG/nMFbPRPRRezQK48CkRgIUqrVvGU /bI1eQlugiJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZ69CgQAKCRDBN2bmhouD 173sEACJr+2WUT8DaXnwjiufyWp84sk2wSRe2HDObjXTu9WK7LuVDYkXOFjAs9FmcKBXTFns+8G Z8qr4n8qQ8u5vK7XlonY/C5UWCgTDZy6P7LTH8z1PEWq2Q+Ld8Sw8Nesgew2V0jrhr7btKu/elH WNwaOPUUZLvQ+Lz+LHE6I2n1iuR/rY8yx3jfphh4fUlEQ0qJ1Hu8hDohVmwS+UBCEFWnqji9GSO T6/YPokGX/2sU2kTzfQ41/ykcmb5RfUE3djbJxz5LMQL/dUUv3PFgps1lmrjHdf0OHgVrmbgcQu tz44nF3BAl6CtaRBbpxqq7cfuq+kNh0c7XzDdnf/b86ohnwV4YPmb7f044GND9XUjZcRvoByOlM yzbjKOBhDbBtJ9MvKUMlFIEyBde7QgGe6o7hiLHGWmx129NtaWtya850nF/ddDM9HGU1f4Estnb oeUruJdIHDfgqNgUMJyjjGS/SaAfAp41+XmOWkwksgOYFioA95PI+uwwJaytHPzlcvlqtjbUJfq E9F910mNvtRSGVIyHbr8M4v7exsKitd0vo9VxLS/Fxwx90d+R7igmbsP5xv4JQzNjegKNxW5+bP ScnaAIntXwHjKmnI4GC5wANqKFQb1xS7iZr5yiEPVDwono8kmj5JNVu7CE/4sn3jRtHIrUc9xN6 TfOEjLa9cL4A2Yw== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Cleanup few obvious kernel coding style violations: missing or unnecessary braces in 'if-else', unnecessary break lines, incorrect breaking of long function declarations, unnecessary 'else' after a 'return'. No functional impact expected. Reviewed-by: Abhinav Kumar Signed-off-by: Krzysztof Kozlowski Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dsi/dsi_host.c | 51 +++++++++++++++++++------------------- 1 file changed, 26 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 8fc9f5486aebd3c08914409cd3c7824fa0b97515..051e26ae1b7f20d47969c3aff4e7fc6234f18d1a 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -179,18 +179,18 @@ struct msm_dsi_host { int irq; }; - static inline u32 dsi_read(struct msm_dsi_host *msm_host, u32 reg) { return readl(msm_host->ctrl_base + reg); } + static inline void dsi_write(struct msm_dsi_host *msm_host, u32 reg, u32 data) { writel(data, msm_host->ctrl_base + reg); } -static const struct msm_dsi_cfg_handler *dsi_get_config( - struct msm_dsi_host *msm_host) +static const struct msm_dsi_cfg_handler * +dsi_get_config(struct msm_dsi_host *msm_host) { const struct msm_dsi_cfg_handler *cfg_hnd = NULL; struct device *dev = &msm_host->pdev->dev; @@ -370,7 +370,6 @@ int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host) return 0; } - int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host) { int ret; @@ -588,7 +587,6 @@ static void dsi_calc_pclk(struct msm_dsi_host *msm_host, bool is_bonded_dsi) DBG("pclk=%lu, bclk=%lu", msm_host->pixel_clk_rate, msm_host->byte_clk_rate); - } int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi) @@ -677,8 +675,8 @@ static inline enum dsi_traffic_mode dsi_get_traffic_mode(const u32 mode_flags) return NON_BURST_SYNCH_EVENT; } -static inline enum dsi_vid_dst_format dsi_get_vid_fmt( - const enum mipi_dsi_pixel_format mipi_fmt) +static inline enum dsi_vid_dst_format +dsi_get_vid_fmt(const enum mipi_dsi_pixel_format mipi_fmt) { switch (mipi_fmt) { case MIPI_DSI_FMT_RGB888: return VID_DST_FORMAT_RGB888; @@ -689,8 +687,8 @@ static inline enum dsi_vid_dst_format dsi_get_vid_fmt( } } -static inline enum dsi_cmd_dst_format dsi_get_cmd_fmt( - const enum mipi_dsi_pixel_format mipi_fmt) +static inline enum dsi_cmd_dst_format +dsi_get_cmd_fmt(const enum mipi_dsi_pixel_format mipi_fmt) { switch (mipi_fmt) { case MIPI_DSI_FMT_RGB888: return CMD_DST_FORMAT_RGB888; @@ -1282,14 +1280,15 @@ static int dsi_cmd_dma_add(struct msm_dsi_host *msm_host, static int dsi_short_read1_resp(u8 *buf, const struct mipi_dsi_msg *msg) { u8 *data = msg->rx_buf; + if (data && (msg->rx_len >= 1)) { *data = buf[1]; /* strip out dcs type */ return 1; - } else { - pr_err("%s: read data does not match with rx_buf len %zu\n", - __func__, msg->rx_len); - return -EINVAL; } + + pr_err("%s: read data does not match with rx_buf len %zu\n", + __func__, msg->rx_len); + return -EINVAL; } /* @@ -1298,15 +1297,16 @@ static int dsi_short_read1_resp(u8 *buf, const struct mipi_dsi_msg *msg) static int dsi_short_read2_resp(u8 *buf, const struct mipi_dsi_msg *msg) { u8 *data = msg->rx_buf; + if (data && (msg->rx_len >= 2)) { data[0] = buf[1]; /* strip out dcs type */ data[1] = buf[2]; return 2; - } else { - pr_err("%s: read data does not match with rx_buf len %zu\n", - __func__, msg->rx_len); - return -EINVAL; } + + pr_err("%s: read data does not match with rx_buf len %zu\n", + __func__, msg->rx_len); + return -EINVAL; } static int dsi_long_read_resp(u8 *buf, const struct mipi_dsi_msg *msg) @@ -1366,8 +1366,9 @@ static int dsi_cmd_dma_tx(struct msm_dsi_host *msm_host, int len) ret = -ETIMEDOUT; else ret = len; - } else + } else { ret = len; + } return ret; } @@ -1435,11 +1436,12 @@ static int dsi_cmds2buf_tx(struct msm_dsi_host *msm_host, return len; } - /* for video mode, do not send cmds more than - * one pixel line, since it only transmit it - * during BLLP. - */ - /* TODO: if the command is sent in LP mode, the bit rate is only + /* + * for video mode, do not send cmds more than + * one pixel line, since it only transmit it + * during BLLP. + * + * TODO: if the command is sent in LP mode, the bit rate is only * half of esc clk rate. In this case, if the video is already * actively streaming, we need to check more carefully if the * command can be fit into one BLLP. @@ -1864,9 +1866,8 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) int ret; msm_host = devm_kzalloc(&pdev->dev, sizeof(*msm_host), GFP_KERNEL); - if (!msm_host) { + if (!msm_host) return -ENOMEM; - } msm_host->pdev = pdev; msm_dsi->host = &msm_host->base;