From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D8D1C7FBA2; Wed, 17 Sep 2025 12:40:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758112858; cv=none; b=qko9pxsMgGdni0FXYSVaqjyRaC2GuoqVhu4poi5PkmkKxQPyI8IG6dOGTU5siLo4DzWf3muGffS4Nx73HGb6jTFVBbLZDH0XxqpEnVS3r/RuEXosafFIruc6eI809wUuvK5ZNK11dFjMMvG9lpGv3ImD8znHCM/UTFVdCPlJGNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758112858; c=relaxed/simple; bh=woMMoMNGbFUL9PhdERZ9V0y49qWDp43dgn5OTsxKh9I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IKIKXlT5uzLpD77aE4Pp5tOhx8g5IrafkUksjRoZk5r+zlncyCRnaunfvuIGH8kUOezbg2wg7si0mzBtzt3y47Rfb1YXHBKEMg7apbJDONamEUHprRlc5eaUM7qSFQDdyXsOm5DTJx0W0eJ93jRRPQK2lDLMA7CMeAqC69nQCbg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PYH4w+61; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="PYH4w+61" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2E2EC4CEF5; Wed, 17 Sep 2025 12:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1758112858; bh=woMMoMNGbFUL9PhdERZ9V0y49qWDp43dgn5OTsxKh9I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PYH4w+61s85mm7zpPGw4DhSMMtpPodzZBC0dpMLgqzkRU4fZg8+jFICEYe4i6Ndp0 irE/Ei6eNmrzHW3Y9wOPQhgfryX9Pn732xAbcJI6pTOtfm+Pe6VhhKB18/CktNcMhT STnlkAQIzT0MJ/Pn9RgEJ3ww9K00MYbtNXSg9bos= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Fangzhi Zuo , Imre Deak , Mario Limonciello , Alex Deucher Subject: [PATCH 6.16 096/189] drm/amd/display: Disable DPCD Probe Quirk Date: Wed, 17 Sep 2025 14:33:26 +0200 Message-ID: <20250917123354.201932085@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250917123351.839989757@linuxfoundation.org> References: <20250917123351.839989757@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fangzhi Zuo commit f5c32370dba668c171c73684f489a3ea0b9503c5 upstream. Disable dpcd probe quirk to native aux. Signed-off-by: Fangzhi Zuo Reviewed-by: Imre Deak Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4500 Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20250904191351.746707-1-Jerry.Zuo@amd.com Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher (cherry picked from commit c5f4fb40584ee591da9fa090c6f265d11cbb1acf) Cc: stable@vger.kernel.org # 6.16.y: 5281cbe0b55a Cc: stable@vger.kernel.org # 6.16.y: 0b4aa85e8981 Cc: stable@vger.kernel.org # 6.16.y: b87ed522b364 Cc: stable@vger.kernel.org # 6.16.y Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -809,6 +809,7 @@ void amdgpu_dm_initialize_dp_connector(s drm_dp_aux_init(&aconnector->dm_dp_aux.aux); drm_dp_cec_register_connector(&aconnector->dm_dp_aux.aux, &aconnector->base); + drm_dp_dpcd_set_probe(&aconnector->dm_dp_aux.aux, false); if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_eDP) return;