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 8265ED29C43 for ; Mon, 19 Jan 2026 16:46:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0FAA110E4CD; Mon, 19 Jan 2026 16:46:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="KS1kRhM9"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id E970610E4CD for ; Mon, 19 Jan 2026 16:46:51 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id DC60260054; Mon, 19 Jan 2026 16:46:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74ECFC116C6; Mon, 19 Jan 2026 16:46:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768841210; bh=eEKI3ZxObO3QdCFTxioSzIqvkSxosaz3PRzA18FtArw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=KS1kRhM95kcjx9W2tKdUO585ojluwmML1rh1jAzfwUxD79n8xEO/sTbzU+FFsrWCT zvRjXwQu859f/OjmbrW5b4tNlZVx3phi79Zm99sZABzwpi3hZjOV+FcwGYQpqRqyE5 WJVEKMF8cR1U5nwZVVm7AjU8LqydH5H4UloPkTZJ/GnZkJigWUnASPROGcqUNpH6k7 KX5SVhUwdY/nX24k4V0nAEKWXP4sjIqVL8BRluRN6oTS7pqNXJOY7r3JZYojCBOl0C FDp8cWREZHigCH1ZrBvoz8AgXbKUYd/sVIYbWvR5q73CMNZVbqESag0os04jq3DiL5 r85CmzJCzkG4Q== Message-ID: Date: Mon, 19 Jan 2026 10:46:47 -0600 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/amd/display: Only poll analog connectors To: =?UTF-8?Q?Timur_Krist=C3=B3f?= , amd-gfx@lists.freedesktop.org, Alexander.Deucher@amd.com, Ivan Lipski , harry.wentland@amd.com Cc: Matthew Schwartz References: <20260118130345.43356-1-timur.kristof@gmail.com> Content-Language: en-US From: "Mario Limonciello (AMD) (kernel.org)" In-Reply-To: <20260118130345.43356-1-timur.kristof@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On 1/18/2026 7:03 AM, Timur Kristóf wrote: > Analog connectors may be hot-plugged unlike other connector > types that don't support HPD. > > Stop DRM from polling other connector types that don't > support HPD, such as eDP, LVDS, etc. These were wrongly > polled when analog connector support was added, > causing issues with the seamless boot process. > > Fixes: c4f3f114e73c ("drm/amd/display: Poll analog connectors (v3)") > Signed-off-by: Timur Kristóf > Reported-by: Matthew Schwartz Reviewed-by: Mario Limonciello (AMD) > --- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > index 0a2a3f233a0e..e7b0928bd3db 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > @@ -915,13 +915,19 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev) > struct amdgpu_dm_connector *amdgpu_dm_connector; > const struct dc_link *dc_link; > > - use_polling |= connector->polled != DRM_CONNECTOR_POLL_HPD; > - > if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) > continue; > > amdgpu_dm_connector = to_amdgpu_dm_connector(connector); > > + /* > + * Analog connectors may be hot-plugged unlike other connector > + * types that don't support HPD. Only poll analog connectors. > + */ > + use_polling |= > + amdgpu_dm_connector->dc_link && > + dc_connector_supports_analog(amdgpu_dm_connector->dc_link->link_id.id); > + > dc_link = amdgpu_dm_connector->dc_link; > > /*