From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 107AC17E90E; Mon, 27 May 2024 19:11:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716837102; cv=none; b=bHEau+q+i7lwIQBlxni/PE3w8gyIQgidm2NT3HMdFiyJJDhXHhI+KiBDA6zGX3e20xiNTmu10KFXcGuHy433ser9nQ310CGziIzJPQSHNaEFOS8sDVUDq66lBFZt3ejfQYgkMntcszcxWCMghwHhuy0yMK2nZEmuRF3LRPIs5M8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716837102; c=relaxed/simple; bh=ENYqkh0v7EKIDMhJcn1+wXCTVc5cVWGfcV1RbVFVLyg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ONh12VRjBLZtUcYrVpInXrt4oBWVgWETwXW2PnTS3YOeSBnGyw03/OPDaVLis7KU3MwGjXzQml9fe5VkpavOYk+VgQ0W5tbpJGA/Oa8a+9VWrr3sahnL47ArzunogLw7neGqJP8t41kUWLNPXm1KSvOGWOKVMGTi02EfRwEBv00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Y+gjkFSa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Y+gjkFSa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99909C2BBFC; Mon, 27 May 2024 19:11:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716837101; bh=ENYqkh0v7EKIDMhJcn1+wXCTVc5cVWGfcV1RbVFVLyg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y+gjkFSaUWVH3NOrZ41JpoQlqWuXPyb48zYCYeOp2PxSH2PYrRk2jaifUSFk9d62x SNZDHDiid4vrwnWVyfWQPA2Bwr2fb2Q0y+2DuLohe3Ti69/2kY8kdqxMI9sOAnXhhO SdFVArINON4dohxpgjO7KruW5dac7itqjSWYrMXc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengqiao Xia , Douglas Anderson , Sasha Levin Subject: [PATCH 6.9 274/427] drm/panel-edp: Add prepare_to_enable to 200ms for MNC207QS1-1 Date: Mon, 27 May 2024 20:55:21 +0200 Message-ID: <20240527185628.091386056@linuxfoundation.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240527185601.713589927@linuxfoundation.org> References: <20240527185601.713589927@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhengqiao Xia [ Upstream commit e635b7eb7062b464bbd9795308b1a80eac0b01f5 ] For MNC207QS1-1 panel, Splash screen occur when switch from VT1 to VT2. The BL_EN signal does not conform to the VESA protocol. BL_EN signal needs to be pulled high after video signal. So add prepare_to_enable to 200ms. [ dianders: Adjusted subject prefix and added Fixes tag ] Fixes: 0547692ac146 ("drm/panel-edp: Add several generic edp panels") Signed-off-by: Zhengqiao Xia Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20240301084006.14422-1-xiazhengqiao@huaqin.corp-partner.google.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-edp.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index d58f90bc48fba..745f3e48f02ac 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1865,6 +1865,13 @@ static const struct panel_delay delay_200_500_e50 = { .enable = 50, }; +static const struct panel_delay delay_200_500_e50_p2e200 = { + .hpd_absent = 200, + .unprepare = 500, + .enable = 50, + .prepare_to_enable = 200, +}; + static const struct panel_delay delay_200_500_e80 = { .hpd_absent = 200, .unprepare = 500, @@ -2034,7 +2041,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('C', 'M', 'N', 0x14d6, &delay_200_500_e80_d50, "N140BGA-EA4"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x14e5, &delay_200_500_e80_d50, "N140HGA-EA1"), - EDP_PANEL_ENTRY('C', 'S', 'O', 0x1200, &delay_200_500_e50, "MNC207QS1-1"), + EDP_PANEL_ENTRY('C', 'S', 'O', 0x1200, &delay_200_500_e50_p2e200, "MNC207QS1-1"), EDP_PANEL_ENTRY('H', 'K', 'C', 0x2d51, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('H', 'K', 'C', 0x2d5b, &delay_200_500_e200, "Unknown"), -- 2.43.0