From nobody Tue Apr 7 02:35:32 2026 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 84B973B3895 for ; Wed, 11 Mar 2026 07:48:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773215334; cv=none; b=bSz1xeNuxXjOGjPGPpTKZRPO2FRI+Zd09Awxyns5viUODzBodFBZOnIKcErXSSeFGQ9g8dqO426yJmYWDUGt3XQV9esDi8f671PKYHscNLsNTndd0tItRw6Zpvx/rqRZXXq2tH2WDYA0UqZPNQJbRIFqC+GsJJRA7pmV270XY1U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773215334; c=relaxed/simple; bh=4jDT/+odGjD1VSlqBUsEFiTwvxB4MsN/oQwdKaby/IE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gWvFqR389LstNcCIGkze5E/KsRFSOUkAO/vGWi+ub2HHO6zcK6BxYtmEzFU7UqMha1i23evHHT12H2lLUbwDVl4tegtLYcpFipwQgtHKhcm/waqtnZeAl2U1jvtheHyqKOK9HPkP/f8bYETITnmtTGE6EXUJFh4KY5jrKSDPHOU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=nf6MyYyz; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="nf6MyYyz" Received: from [127.0.1.1] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7F2EC981; Wed, 11 Mar 2026 08:47:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1773215252; bh=4jDT/+odGjD1VSlqBUsEFiTwvxB4MsN/oQwdKaby/IE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=nf6MyYyzjMjRdX7gbxuLJDN3zRdKK3rLziSQ6p1VqxmsZl8D8xonZ7huHq99iVZxo H6IamtVA0atdVK/+66ULWaITPnnmj5sSjaFEhazoS0hPZyoh8vRH4Jyg9hTBSnvbMB EFMJgDmVUlglwMUfPM6+021EeuvnKyuYowE5BGKQ= From: Tomi Valkeinen Date: Wed, 11 Mar 2026 09:48:13 +0200 Subject: [PATCH v2 2/7] drm/bridge: tc358768: Set pre_enable_prev_first for reverse order Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260311-tc358768-v2-2-e75a99131bd5@ideasonboard.com> References: <20260311-tc358768-v2-0-e75a99131bd5@ideasonboard.com> In-Reply-To: <20260311-tc358768-v2-0-e75a99131bd5@ideasonboard.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Parth Pancholi , Francesco Dolcini Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tomi Valkeinen , =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1123; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=dNIaggyhYU5l5cq17akk39Lo+WSVaIb1cP5sdrmYBBg=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBpsR5SUYbYcrL9qndjn1WbxbTsAMT8UnN0IQOMM Qa1MrCHlCWJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCabEeUgAKCRD6PaqMvJYe 9Qx3EACJ8N8xiKGJFou3KgW9x/r8/LLwu27yKPpBcyKlLi6I8cCNrK+xPfzac4kgrE13dev21WZ 24MugjXESdXxQesq8hAppeUepZBfgYMqGvSQXMvG4d8szaMlw65+RHUywCNN3VaQzCyh0ok86Mh a30Pj3fWI4uYM98ItIxVKFEQ9gc9RLs080UlOi6fwcVna3PCQM59RtJZriwNWAlE6OxqOBICmQQ 4wfHVction/dxQ8grUvfGUMOu6yBC8TO3cXjswcbKPgeSCvbMGyGF31RNQWsA+hgs/huk1XRS7e fHx4V3eKXRk0msLde3WlBP2jCg1mqJBw0+Lh16HeqwleB/zMOMmKjYAgnSpXPj2cmLONd6XcLRj F5SLE78weSIKwYc9KKjDDh1DiLvmMrIdv8TdevyuiqJuz47w4FLxI2rTQ5rEvouCXuHb8kFHYKH 9WJ5jKVtJafMtJH7pX5UKIpYqv9EfItuu3OXMDkpuZWCcBOohEo/AkdpqiFUBkTR6y1O3AN/Ik2 fS9wrLSsfnk25qzWXhxa4JjEbcbiJhG7N4wG3RjhPNDC2tgEbRc3T2IjIidIo2edoWekYDN2+5r 8wnXxxkNbanHy/sugc4bXbL0Z6tYqe80osCdNMleXwkBSXyr9Pvt+2q2j2yEMTn/gMUjnbRWtsY y4E3b7hoUpCw5aA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Parth Pancholi Enable the pre_enable_prev_first flag on the tc358768 bridge to reverse the pre-enable order, calling bridge pre_enable before panel prepare. This ensures the bridge is ready before sending panel init commands in the case of panels sending init commands in panel prepare function. Signed-off-by: Parth Pancholi Tested-by: Jo=C3=A3o Paulo Gon=C3=A7alves # To= radex Verdin AM62 Reviewed-by: Francesco Dolcini Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/bridge/tc358768.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc3= 58768.c index c95d164bd3a0..dab9cdf5cb98 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -448,6 +448,8 @@ static int tc358768_dsi_host_attach(struct mipi_dsi_hos= t *host, DRM_MODE_CONNECTOR_DSI); if (IS_ERR(bridge)) return PTR_ERR(bridge); + + bridge->pre_enable_prev_first =3D true; } =20 priv->output.dev =3D dev; --=20 2.43.0