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 09F6722A4D5; Mon, 13 Oct 2025 15:29:05 +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=1760369345; cv=none; b=bng4g85mXMB7AZO0sYS5YtPvpt2Crt3z7Zcu/9JmOqReLD/qdYHNyk9GwysUKLhVbrZuebW6+nu94EXfRtYhXkx90wx39PF4pwS+qhZlXuaX8sWrI2QGxrUZMxZFJtaaaRIOz0MDWxwtv8NUNfij/c9ms/YJTn/k3ptyMnLnHgw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760369345; c=relaxed/simple; bh=2LyOO3nrxliLJOd/1iPk87XMQNbumUJY/hmcVTwV0Jo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GBTBFYV6kY8RLlKNxOWZNYxOPHl1juiMLjN+YJcdjVRUg4SeAOBbBEwQhLp/Hm7B3hIAWpjR6fZeKtFUYZq6L7Uvca5JChtE1Pcc6s+W4AAV5MGBzzGrn90trFyWK/TYHbVsSHkDaYOJ+sXwvPJyB5yNtdda141934ccKPSiNwM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RGOZnRHL; 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="RGOZnRHL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87A50C4CEE7; Mon, 13 Oct 2025 15:29:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760369344; bh=2LyOO3nrxliLJOd/1iPk87XMQNbumUJY/hmcVTwV0Jo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RGOZnRHLbx9v2jw1GEiyhdZPhNR7+jFiE5myUPQR2fwY5A/ofDjBf4d5W5GmpTBhx IoETKm6p/rPRvuL0KwtTKVzAu8XMATMQlo0mMjLkzYYEPgLL8dz4TyMcxFPBNfaHE2 nNRReYgZiSHnhuz61pZLEaYCLwXQqs/jHeT9XpPQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Langyan Ye , Douglas Anderson , Sasha Levin Subject: [PATCH 6.17 214/563] drm/panel-edp: Add 50ms disable delay for four panels Date: Mon, 13 Oct 2025 16:41:15 +0200 Message-ID: <20251013144419.037309948@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251013144411.274874080@linuxfoundation.org> References: <20251013144411.274874080@linuxfoundation.org> User-Agent: quilt/0.69 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 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Langyan Ye [ Upstream commit 1511d3c4d2bb30f784924a877f3cef518bb73077 ] Add 50ms disable delay for NV116WHM-N49, NV122WUM-N41, and MNC207QS1-1 to satisfy T9+T10 timing. Add 50ms disable delay for MNE007JA1-2 as well, since MNE007JA1-2 copies the timing of MNC207QS1-1. Specifically, it should be noted that the MNE007JA1-2 panel was added by someone who did not have the panel documentation, so they simply copied the timing from the MNC207QS1-1 panel. Adding an extra 50 ms of delay should be safe. Fixes: 0547692ac146 ("drm/panel-edp: Add several generic edp panels") Fixes: 50625eab3972 ("drm/edp-panel: Add panel used by T14s Gen6 Snapdragon") Signed-off-by: Langyan Ye Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://lore.kernel.org/r/20250723072513.2880369-1-yelangyan@huaqin.corp-partner.google.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-edp.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index 09170470b3ef1..d0aa602ecc9de 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1736,10 +1736,11 @@ static const struct panel_delay delay_200_500_e50 = { .enable = 50, }; -static const struct panel_delay delay_200_500_e50_p2e200 = { +static const struct panel_delay delay_200_500_e50_d50_p2e200 = { .hpd_absent = 200, .unprepare = 500, .enable = 50, + .disable = 50, .prepare_to_enable = 200, }; @@ -1941,13 +1942,13 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('B', 'O', 'E', 0x09dd, &delay_200_500_e50, "NT116WHM-N21"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a1b, &delay_200_500_e50, "NV133WUM-N63"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a36, &delay_200_500_e200, "Unknown"), - EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a3e, &delay_200_500_e80, "NV116WHM-N49"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a3e, &delay_200_500_e80_d50, "NV116WHM-N49"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a5d, &delay_200_500_e50, "NV116WHM-N45"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ac5, &delay_200_500_e50, "NV116WHM-N4C"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ae8, &delay_200_500_e50_p2e80, "NV140WUM-N41"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b09, &delay_200_500_e50_po2e200, "NV140FHM-NZ"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b1e, &delay_200_500_e80, "NE140QDM-N6A"), - EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b34, &delay_200_500_e80, "NV122WUM-N41"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b34, &delay_200_500_e80_d50, "NV122WUM-N41"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b43, &delay_200_500_e200, "NV140FHM-T09"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b56, &delay_200_500_e80, "NT140FHM-N47"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b66, &delay_200_500_e80, "NE140WUM-N6G"), @@ -1986,8 +1987,8 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('C', 'M', 'N', 0x14e5, &delay_200_500_e80_d50, "N140HGA-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x162b, &delay_200_500_e80_d50, "N160JCE-ELL"), - EDP_PANEL_ENTRY('C', 'S', 'O', 0x1200, &delay_200_500_e50_p2e200, "MNC207QS1-1"), - EDP_PANEL_ENTRY('C', 'S', 'O', 0x1413, &delay_200_500_e50_p2e200, "MNE007JA1-2"), + EDP_PANEL_ENTRY('C', 'S', 'O', 0x1200, &delay_200_500_e50_d50_p2e200, "MNC207QS1-1"), + EDP_PANEL_ENTRY('C', 'S', 'O', 0x1413, &delay_200_500_e50_d50_p2e200, "MNE007JA1-2"), EDP_PANEL_ENTRY('C', 'S', 'W', 0x1100, &delay_200_500_e80_d50, "MNB601LS1-1"), EDP_PANEL_ENTRY('C', 'S', 'W', 0x1103, &delay_200_500_e80_d50, "MNB601LS1-3"), -- 2.51.0