From nobody Sun Feb 8 01:34:19 2026 Received: from mail.dwurp.de (mail.dwurp.de [185.183.156.149]) (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 1EAB52E9733 for ; Tue, 28 Oct 2025 21:46:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.183.156.149 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761687987; cv=none; b=WWjfx2Ux1aoOhp8UWt66pY+rYxNOH+OpEhzsxr59aiQO+776uNMSGPqNYVBOAkqGY7rTwYrBMGppQBhpKkOuCxpjQ7Bjnyci7wBwyi9RL59hHAVubzNSXqLWEEoWXoQMuLrkes62Zy2WfWmsh1zVqT6RWLLmodREIFjacxqXeGw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761687987; c=relaxed/simple; bh=gmJ7pVGTNizMj5fFA5HEWGgn8h6JzvidoxGobCB4Ie0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=uDybuhkf/psTSmHAsJcSxN39bmV4POT4vKzFrCwp4pVkr4sDZsVCPRUNtIwj8zHNxptoyvZfPhHUxNtK1lH2mDN4Eb+DNHsGOGIBODsoOS1YOCzVZpYka8WQhd97ofyVpxQn5kDgEw/HiFAWGsAUSl6TVp++uVGp6BbqLs3MmbI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=dwurp.de; spf=pass smtp.mailfrom=dwurp.de; dkim=pass (1024-bit key) header.d=dwurp.de header.i=@dwurp.de header.b=E+nUC4EY; arc=none smtp.client-ip=185.183.156.149 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=dwurp.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dwurp.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=dwurp.de header.i=@dwurp.de header.b="E+nUC4EY" From: Sebastian Fleer DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dwurp.de; s=mail; t=1761687658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=nup17Y1kzFSR3efnVH+GVmUx6KfCqfYTDIb4rIKMcv0=; b=E+nUC4EYq3xxVTJtbsuqJUw8PQokQXMEGuZ6+BEv/4KVQ4nmig+EpHI9+acnan2pnZ12DG fUwxmQsY12WRw1iD9URhQ1FIkcnP7o8ecd6of8QOYGazyBye8b8Z6sKoYXyjgy0DkVWddR +SVDoFnYqbBaotIF2LDA/TfiYVRlk2w= To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Christoph Fritz Subject: [PATCH] drm/panel: kingdisplay-kd097d04: Disable EoTp Date: Tue, 28 Oct 2025 22:38:12 +0100 Message-ID: <20251028214045.1944956-1-dev@dwurp.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since commit d97e71e44937 ("drm/bridge: synopsys: dw-mipi-dsi: enable EoTp = by default") panel output on an Acer Chromebook Tab 10 (google-dru) is corrupt= ed. The tablet I use is equipped with a kingdisplay-kd097d04 panel, disabling E= oTp restores the correct functionality. Fixes: d97e71e44937 ("drm/bridge: synopsys: dw-mipi-dsi: enable EoTp by def= ault") Signed-off-by: Sebastian Fleer --- drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/g= pu/drm/panel/panel-kingdisplay-kd097d04.c index 2fc7b0779b37..893af9b16756 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -359,7 +359,7 @@ static int kingdisplay_panel_probe(struct mipi_dsi_devi= ce *dsi) dsi->lanes =3D 4; dsi->format =3D MIPI_DSI_FMT_RGB888; dsi->mode_flags =3D MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | - MIPI_DSI_MODE_LPM; + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; =20 kingdisplay =3D devm_drm_panel_alloc(&dsi->dev, __typeof(*kingdisplay), b= ase, &kingdisplay_panel_funcs, --=20 2.51.2