From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C626E28EA63 for ; Mon, 30 Jun 2025 15:39:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751297952; cv=none; b=uTL4c4+RMftHUsKNBwoakvwnQpTGjlqQQ2eiYopCmLvU5dPRRCHfI92Lj/TMKiG0A+BIQxLaxbf/PlNVxXZQaCuY/qC8akQu7TK+4tZL4HABAulVKj6IcZOkKTm9GOekIYJZuZtUbPFGSWgjbRI+fb+73vkjRtFCNSbthoywFBo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751297952; c=relaxed/simple; bh=AD8rStqRodw5T386XM2RP94D9EpnHabJ0SZTUj7Qahk=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=MjEpMBoDnQdH+bY5AeFXo/MvghGJWLIKlcRu9zV6vJG5Q8wEjlX8tOAYeh59pKx7CavmNLa5xfJDY/eGxKAISCSpEx2R7Vu7vXPH7nwG3A7jq1yUep0cRC36r2z9Nc8P5b04dqST7cpa0NkP03B9TGeGWZAgWWX2+kUzMilh9YU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=Nig/9szR; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Nig/9szR" Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-451d6ade159so15429745e9.1 for ; Mon, 30 Jun 2025 08:39:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751297948; x=1751902748; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to; bh=5ZziG/0VfzA1IKuwjL2tWIJBNA1ugi01gvbDxIGbv/M=; b=Nig/9szRBPcWlOpv86qiRq7TZTMx08Uw5fSbfXD9hdSqFR0/Fae+UCUcQfk2E23rBi A3Vhnxwn/xmn8uKr8AxWXhFtTR7S3a1JjaLdwLk4k25It9F/IqD+rRIb7AI0sIFk6xRg hq44t2qRld5HTY3z8HshSlXjYZc4TqIW8o6f7LolSqUWGXL4g2c6cYqAq9DUwV0hkliZ KWFUGOjqDSX/BsdXo9jDqy+rcFXvjoy5U9SQ+kyms9mMd8Rag2w8Gopf16MvMjLS2AV+ pTQF0DGirg0fCygSTUR1k8dAgPqyIet+rYNWZaHbKDiOtQ2byt1u/2RP/uNJlQ/lek2y B9eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751297948; x=1751902748; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:references:cc:to:subject:reply-to:from:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=5ZziG/0VfzA1IKuwjL2tWIJBNA1ugi01gvbDxIGbv/M=; b=ndTRUg3pogWqS1aCmP7P6J/dIl2AEIzr7KgnHA/jY+dyILtPthE1+mZTbru9eMTHe/ k4X5ojdRPeWlVonBNaw8l8vAqguCqKric9qteAhdS7Luth5Hu9seL/OWG/Bhh/EPNq3T pW68PFGS++3RDOOzdrxciTTttQaKtXr5IjkwpWOmCCVs+Pq+pVbyYqYLujgBOFu67wEl RB+AJDvSlzg3fpz+SI7OU8HWUu50OF0S5Cgutho1N2F7abVsRbJh/oKy5LhTmsAA+6tP 6UDWBgtXr+wRcf4YwIOyltC+CYbC3IXRE+RFOVqqDaEN3n/aGtoEEjVVJo9/nYczMNKH +5EA== X-Forwarded-Encrypted: i=1; AJvYcCVkZhSE2V0wXbvvLZmRFzu/duStELL7KI2yY8kO6WO35FAL1xixRU3wTFEUtyIgkKy/dOVCrHpOBaxQN7Q=@vger.kernel.org X-Gm-Message-State: AOJu0YynQ2HSDXYeio7H9aNqzEzdJ/JirBIhu1zVQ9ANY+hJnw2kS0im ARcgeVReY/dX4te5XR3THvB3zC2KvpBEa5yQoGPlkw1a1wsET/G77genMzzwSXjNIjw= X-Gm-Gg: ASbGncuoBYBJGJozOWC0Miu4ZfJP+4s6DpwAvCn0IrA+PbMTfMPMEhynOvIENSnNGmt 05pTT0UFD9dRd8arb7U/j/g6GQejynUdXxEMCNJf6hWAyRWQUZndTCeuCx6B8rz4+xzZUiuyS5u tF45gjINvbf5y+4cItFIYnJOpxknivcYVh7gJA4rki5FSPJD/xaUaMD2HHiDF263TSINMbGDINj Uva2y+lJA20UfMzt8V4U2N65/BrH4I1qVHJe0zajUpI4+IaQjBH/RgJmf6lhcXnmtWSOp5p8Zqo BuFuQ0Aunug4zNP7RZV9FAD/fd3+SGxhhtDWcYdcbqs4As8Kq/ZyOPpARrc5Bs0/GjGfCuJwzQI k4XrSvFtbw4KsvtFQs91iUOm+VtBEZcSBOdt+XxCss9P3qYnAxg== X-Google-Smtp-Source: AGHT+IE/EGZJuAhfhPDcepQz5wUmqLOrRpHMIC8QD5spKCHPPzfBv4cSrm45NH3NPOTs4Wj0I/lClw== X-Received: by 2002:a05:600c:5250:b0:448:e8c0:c778 with SMTP id 5b1f17b1804b1-4538ee61eedmr121126635e9.22.1751297947477; Mon, 30 Jun 2025 08:39:07 -0700 (PDT) Received: from ?IPV6:2a01:e0a:3d9:2080:abe8:a49c:efe7:4dfb? ([2a01:e0a:3d9:2080:abe8:a49c:efe7:4dfb]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-453941c67c2sm94163985e9.5.2025.06.30.08.39.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Jun 2025 08:39:07 -0700 (PDT) Message-ID: <7b564815-c9e0-435c-bd77-63da42aabacb@linaro.org> Date: Mon, 30 Jun 2025 17:39:06 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v2 4/4] drm/mipi-dsi: Drop MIPI_DSI_MODE_VSYNC_FLUSH flag To: Philipp Zabel , Inki Dae , Jagan Teki , Marek Szyprowski , Andrzej Hajda , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Artur Weber , Jessica Zhang , Jessica Zhang Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de References: <20250627-dsi-vsync-flush-v2-0-4066899a5608@pengutronix.de> <20250627-dsi-vsync-flush-v2-4-4066899a5608@pengutronix.de> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20250627-dsi-vsync-flush-v2-4-4066899a5608@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 27/06/2025 13:45, Philipp Zabel wrote: > Drop the unused MIPI_DSI_MODE_VSYNC_FLUSH flag. Whether or not a display > FIFO flush on vsync is required to avoid sending garbage to the panel is > not a property of the DSI link, but of the integration between display > controller and DSI host bridge. > > Acked-by: Marek Szyprowski > Signed-off-by: Philipp Zabel > --- > include/drm/drm_mipi_dsi.h | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h > index b37860f4a895c25ef8ba1c5b3f44827ef53aa100..369b0d8830c3d14a4fc1e8e38d5fa55f04ca143e 100644 > --- a/include/drm/drm_mipi_dsi.h > +++ b/include/drm/drm_mipi_dsi.h > @@ -130,8 +130,6 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node); > #define MIPI_DSI_MODE_VIDEO_NO_HBP BIT(6) > /* disable hsync-active area */ > #define MIPI_DSI_MODE_VIDEO_NO_HSA BIT(7) > -/* flush display FIFO on vsync pulse */ > -#define MIPI_DSI_MODE_VSYNC_FLUSH BIT(8) > /* disable EoT packets in HS mode */ > #define MIPI_DSI_MODE_NO_EOT_PACKET BIT(9) > /* device supports non-continuous clock behavior (DSI spec 5.6.1) */ > Acked-by: Neil Armstrong