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 B0B6AC44536 for ; Wed, 21 Jan 2026 17:26:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1EB0E10E862; Wed, 21 Jan 2026 17:26:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="LOf554A6"; dkim-atps=neutral Received: from sender4-pp-g124.zoho.com (sender4-pp-g124.zoho.com [136.143.188.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6DE2E10E862 for ; Wed, 21 Jan 2026 17:26:21 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1769016374; cv=none; d=zohomail.com; s=zohoarc; b=iAN4Sc5TI4ZuPlw3+Z9kXHMuoPWbnOh7I8f8mTf279mP3jEb9iOeY8OXjdnMzMW924iBbzWBQdqZkJOquBsPpY7ca7P/SBY6n+R+aeh5t6x0dSqcfMGX39jUY9O6L0+HHKppH9ufTOBd3Ihh6CH1kjvAxZAK8hj5M4b2TVgcfZY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769016374; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=1K3/4QZZDtK8MheHDo6fRI87P1y8Pd+6rbEUfaucTj8=; b=RnkAIwgXPLDCwHc34AAPu1cPBh7ag6m2V/hdrDxbePVo5Gx9mxle8cfSqpilto2WMNXBAf3bgqYWbVCDrY9hu4JHf8HVwaJFfG5e8WGqvpE9EjjWnFQQnrKGJZ5CVYvD12mo4/U8C1SWKi0AXAVsnWTnKjmen3S/VcgLKTPefuc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1769016374; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=1K3/4QZZDtK8MheHDo6fRI87P1y8Pd+6rbEUfaucTj8=; b=LOf554A6zwLd87xHmMkpuKvB62MMymKoI2kNFknubwd3F3nxAgIjZKx1+tXg/AoL T11z7XBTRN2iWylHKoDHu9Zot1NvK+PqqIW8II4ShxpcP91aA4FiwuTZLhuFqPVIYpP RKXtSCDADPB9L+cwweqR/C1xjsrU3Q3JJyYyKmfs= Received: by mx.zohomail.com with SMTPS id 176901637330082.77610742942124; Wed, 21 Jan 2026 09:26:13 -0800 (PST) From: Nicolas Frattaroli To: Neil Armstrong , Jessica Zhang , Langyan Ye , dri-devel@lists.freedesktop.org, =?UTF-8?B?TWHDrXJh?= Canal Cc: dri-devel@lists.freedesktop.org, kernel-dev@igalia.com, =?UTF-8?B?TWHDrXJh?= Canal Subject: Re: [PATCH] drm/panel: ilitek-ili9882t: Select DRM_DISPLAY_DSC_HELPER Date: Wed, 21 Jan 2026 18:26:08 +0100 Message-ID: <3450009.mvXUDI8C0e@workhorse> In-Reply-To: <20260115125136.64866-1-mcanal@igalia.com> References: <20260115125136.64866-1-mcanal@igalia.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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" On Thursday, 15 January 2026 13:50:48 Central European Standard Time Ma=C3= =ADra Canal wrote: > The panel-ilitek-ili9882t driver uses drm_dsc_pps_payload_pack() which > is provided by the DRM_DISPLAY_DSC_HELPER. Add the missing Kconfig > select to fix the following build error: >=20 > ERROR: modpost: "drm_dsc_pps_payload_pack" [drivers/gpu/drm/panel/panel= =2Dilitek-ili9882t.ko] undefined! >=20 > Fixes: 65ce1f5834e9 ("drm/panel: ilitek-ili9882t: Switch Tianma TL121BVMS= 07 to DSC 120Hz mode") > Signed-off-by: Ma=C3=ADra Canal > --- > drivers/gpu/drm/panel/Kconfig | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index a0fe6069e5e4..ae25f003aa33 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -280,6 +280,7 @@ config DRM_PANEL_ILITEK_ILI9882T > depends on OF > depends on DRM_MIPI_DSI > depends on BACKLIGHT_CLASS_DEVICE > + select DRM_DISPLAY_DSC_HELPER > help > Say Y if you want to enable support for panels based on the > Ilitek ILI9882t controller. >=20 Tested-by: Nicolas Frattaroli Reviewed-by: Nicolas Frattaroli Thanks, this build failure has been annoying me for the past few days, can confirm it works as described and the fix makes sense.