From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794064352; b=3bnJeybY7lJcjmG4BppqGdF/ECbMOhYNqN8Z2wgvmH2/YvDCtxNPSVOBVxhKnoSgvFNV Mg+KwmHC2UinCvHmUtHugbOcG1ZQzPQNmco4DvI8gAxzxaCTLs0Fp4EcNDMnOXlgQchCy xyASYAuOucnNnlIn4214nqnrVazfEVRTUjmNCWClATyin6DF5H8VneQN6+cAcEFrid87c F5omFb6tcxuG2Tc3t47x3oGoC9kGgJ+B1gBMcBHeoIIUVVM0YiE1jnKzGPXvYG6zjlXr5 EcA5t1w4H2lVt2YCrcXaWxRFex0W8oW0s3zBGCdN/zHLO4jcJXHomFbmDpY9Gzep2iA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794064352; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=mJ2IvTTqERWleEE3tX+/I5RV+iV4JGa8jKIIYu3YGoE=; b=hgbzFPG5r08GMg2NLhwof3Fg23dckqm8Og7JagKPn23pnGJt2RQGuEQGuB6WXZn19d1O Q5T+Lyyq5uyq73W/G+fVDFGObWQG0RaD9xh1NflBT4Jav2PP/Utu77tQ9fyshp+fhbpDe cLyVMF4nF/USv2UwQvjhMw33iUQzo9nRk6MVI3HIUkqJef5ohhNxkIH/ihz32Lbetuh9E v7LXr47/jL3AaBEuvLgRMIjmmv0wlcLjiFhXiAfIoaCsits+5pdbToGCVN42E7gy3boxi N9zry20hcG9Zhw4RIc/wM1HsL2PrnObwqnnlPmTY1WxgihSaHu0zN4KvvM/g9C9JZYg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=MFwCfo34; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 328E5606CE7F; Sat, 7 Nov 2026 15:12:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=MFwCfo34 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D44861F008A1; Sat, 7 Nov 2026 15:12:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794064352; bh=mJ2IvTTqERWleEE3tX+/I5RV+iV4JGa8jKIIYu3YGoE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=MFwCfo34SpxACS3xn+uDUArGYAyCfAvcRJ7fWj3i/ih4m7M/h/HmH89VYPvwGa2B2 vxYCqFiWoNdoCgQuBgzrMHCcmrQ4N0so96zysLKk79hSZ6hPPxGGsPIFWH+6cNbRbP MR6M7fh432EYCUZ2ZaJWWuN+cCKGIz8Mo2k8shxU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Fabio Estevam , Neil Armstrong , Sasha Levin Subject: [PATCH 7.3 0436/1257] drm/panel: simple: Add Raystar RFF500F-AWH-DNN enable delay Date: Sat, 7 Nov 2026 08:45:32 -0500 Message-ID: <20261107134951.526626877@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134939.434104957@linuxfoundation.org> References: <20261107134939.434104957@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fabio Estevam [ Upstream commit a92ed345422cd66329b5e9d4e82b0452e185f36f ] The RFF500F-AWH-DNN datasheet requires a minimum delay of 250 ms between display signal output and backlight power-on. Without this delay, the backlight can expose unsettled panel contents during display startup, resulting in a brief bright flash. Set the panel enable delay to the datasheet-specified minimum. Cc: stable@vger.kernel.org Fixes: 1b2a9ec82099 ("drm/panel: simple: Add Raystar RFF500F-AWH-DNN panel entry") Signed-off-by: Fabio Estevam Reviewed-by: Neil Armstrong Signed-off-by: Neil Armstrong Link: https://patch.msgid.link/20260909201346.937343-1-festevam@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-simple.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index c95964ba25a95..70e37ff12c9e8 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -4354,6 +4354,9 @@ static const struct panel_desc raystar_rff500f_awh_dnn = { .width = 108, .height = 65, }, + .delay = { + .enable = 250, + }, .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG, .connector_type = DRM_MODE_CONNECTOR_LVDS, }; -- 2.53.0