From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Parth Pancholi <parth.pancholi@toradex.com>,
Francesco Dolcini <francesco.dolcini@toradex.com>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
João Paulo Gonçalves <joao.goncalves@toradex.com>
Subject: [PATCH v2 2/7] drm/bridge: tc358768: Set pre_enable_prev_first for reverse order
Date: Wed, 11 Mar 2026 09:48:13 +0200 [thread overview]
Message-ID: <20260311-tc358768-v2-2-e75a99131bd5@ideasonboard.com> (raw)
In-Reply-To: <20260311-tc358768-v2-0-e75a99131bd5@ideasonboard.com>
From: Parth Pancholi <parth.pancholi@toradex.com>
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 <parth.pancholi@toradex.com>
Tested-by: João Paulo Gonçalves <joao.goncalves@toradex.com> # Toradex Verdin AM62
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
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/tc358768.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_host *host,
DRM_MODE_CONNECTOR_DSI);
if (IS_ERR(bridge))
return PTR_ERR(bridge);
+
+ bridge->pre_enable_prev_first = true;
}
priv->output.dev = dev;
--
2.43.0
next prev parent reply other threads:[~2026-03-11 7:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-11 7:48 [PATCH v2 0/7] drm/bridge: tc358768: Long command support Tomi Valkeinen
2026-03-11 7:48 ` [PATCH v2 1/7] drm/bridge: tc358768: Fix typo in TC358768_DSI_CONTROL_DIS_MODE Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 7:48 ` Tomi Valkeinen [this message]
2026-03-11 21:14 ` Claude review: drm/bridge: tc358768: Set pre_enable_prev_first for reverse order Claude Code Review Bot
2026-03-11 7:48 ` [PATCH v2 3/7] drm/bridge: tc358768: Separate indirect register writes Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 7:48 ` [PATCH v2 4/7] drm/bridge: tc358768: Support non-continuous clock Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 7:48 ` [PATCH v2 5/7] drm/bridge: tc358768: Add LP mode command support Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 7:48 ` [PATCH v2 6/7] drm/bridge: tc358768: Separate video format config Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 7:48 ` [PATCH v2 7/7] drm/bridge: tc358768: Add support for long command tx via video buffer Tomi Valkeinen
2026-03-11 21:14 ` Claude review: " Claude Code Review Bot
2026-03-11 21:14 ` Claude review: drm/bridge: tc358768: Long command support Claude Code Review Bot
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