From nobody Sat Feb 7 21:24:53 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 5A75630748D for ; Wed, 29 Oct 2025 12:40:22 +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=1761741624; cv=none; b=A6tbgKKfKCPj54YIvSfN20IA6BzejL5X/zPFdwrinDLDro+72sEjERVypxjZDZ4Poqpi+r5zLxdNRgFWgSU7+Le9sA/MpPKRBuOgUO1hU6kpkzCy5oxGnRJjk2q8FHdnm8xFqXOV/WCEPCLlqATq/h8VNs0TMEFkMPyc6+KNxlA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761741624; c=relaxed/simple; bh=OZqfzFdxoIzorBe7PjAS4/RI5ndFQdger9fTPlhH6ys=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=bZS02U5jGvuIltGbGz75Md2kT+ZP6jO6UuqYCcnES8x2+ZTJT87fQ5E23P8jYA043quFGVXJMxPA4+PgvaPeocVQ0rR0BLBfp+C7YrsbrtMqDKte/Tr77QIhA1C3piVQBJbfc4Ir0eEuqAF01mwoWXROUtkhSVrfGIO/oQ7W7ko= 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=xiKzlm+H; 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="xiKzlm+H" From: Sebastian Fleer DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dwurp.de; s=mail; t=1761741619; 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=VJB18FjU3ZpQ6gifGhjmuB4V1Bz7InYQSrBtNNvS9nY=; b=xiKzlm+HnHTnGz2qD52EB+8BPoj+bdgDWpbATTdUSjax05wDaVRieLomD/HxkN4iIUIm1n RLMPjULfR4H9d55XcPS7k3u/BRxTdIickyIz8RYzMfhVYlnwlvnjb+TlgSd7PQg9xYX2TQ NbK2HqFU5bQGKtitAL1ncqKSYnmEXTM= To: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Christoph Fritz , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jens Reidel Subject: [PATCH v2] drm/panel: kingdisplay-kd097d04: Disable EoTp Date: Wed, 29 Oct 2025 13:35:28 +0100 Message-ID: <20251029124007.232333-1-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: 2a994cbed6b2 ("drm/panel: Add Kingdisplay KD097D04 panel driver") Suggested-by: Jens Reidel Signed-off-by: Sebastian Fleer Reviewed-by: Neil Armstrong --- Changes in v2: - Reference correct commit in Fixes tag - Added Suggested-by --- 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