From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8946CCCD1BF for ; Tue, 28 Oct 2025 22:39:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C2E2310E6A3; Tue, 28 Oct 2025 22:39:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; secure) header.d=dwurp.de header.i=@dwurp.de header.b="E+nUC4EY"; dkim-atps=neutral X-Greylist: delayed 325 seconds by postgrey-1.36 at gabe; Tue, 28 Oct 2025 21:46:25 UTC Received: from mail.dwurp.de (mail.dwurp.de [185.183.156.149]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5DA6810E202 for ; Tue, 28 Oct 2025 21:46:25 +0000 (UTC) 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 28 Oct 2025 22:39:08 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since commit d97e71e44937 ("drm/bridge: synopsys: dw-mipi-dsi: enable EoTp by default") panel output on an Acer Chromebook Tab 10 (google-dru) is corrupted. The tablet I use is equipped with a kingdisplay-kd097d04 panel, disabling EoTp restores the correct functionality. Fixes: d97e71e44937 ("drm/bridge: synopsys: dw-mipi-dsi: enable EoTp by default") 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/gpu/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_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | - MIPI_DSI_MODE_LPM; + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; kingdisplay = devm_drm_panel_alloc(&dsi->dev, __typeof(*kingdisplay), base, &kingdisplay_panel_funcs, -- 2.51.2