From nobody Wed Feb 11 14:47:20 2026 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 752F1253B75; Tue, 4 Mar 2025 19:12:21 +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=1741115541; cv=none; b=PtpJmBmcgzFN5DiSEA/qxIV37P5XLUsgLaUJwtmxh3A69m/+bBi6RCpB6T1PuyDjM0Yr6UYDkSPymOW2BGDW6tW6xX2qLpbPtzZ6I+RfQKWq8QDdRfujIqW46diJZqoTahJ+RUtrTpaOJS43g7Z4hSWsSVMTZqGIHovFj2m6FMc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741115541; c=relaxed/simple; bh=Ci7nz+Ro7inrwbsSnXblrTQOXIqs+O9CwkgBJ92korc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=aiDgNAY5H7+GNrAegi+D1etV8wizcSwBh4sXSmeXYV4elq5PCE4aB4/LB+AlO91kyOMYS+6OuPxj/GUE5nH9XaXIO+Rw8BDS3Bm/z0pwRrRLUFejhAxf8O4e8eVEG/m3pisByyEboX4td5AmmjTyY56aXXg8xi45ifNStOWLhKc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b90XRDZJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="b90XRDZJ" Received: by smtp.kernel.org (Postfix) with ESMTPS id D18B0C4CEE5; Tue, 4 Mar 2025 19:12:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741115540; bh=Ci7nz+Ro7inrwbsSnXblrTQOXIqs+O9CwkgBJ92korc=; h=From:Date:Subject:To:Cc:Reply-To:From; b=b90XRDZJJOfqR8ElYaRTuEi8PYVAMfwLviWV6R9nk2qjXZ0jYTAS73KD3BKYVXfsK K3N8qDa9niK2qD5acbIOcPJ+cn25BmWCvBa86q61r2r2dZQmSV9LWBghTIQLq27a0S BDb75TiiCLUG987Zya80TSanQ+rWdwvYqnGUOAstdY8h4/QJ5PeJOPwdOg+6HeTCvN wJGysyUqDumeaU2pY974ioOzXKt7JrngPI3nz4UcGICUIaEOg3g9GdBZNkrIiDv78h JBjGu/Ly+FafzQMZh2zCMlm0hEhQ++MfHhOHF7bigyNyj/B8zxSogsIb4fDZc7v3Q5 Pd9V4BzQDWi0Q== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8E2AC021B8; Tue, 4 Mar 2025 19:12:20 +0000 (UTC) From: Janne Grunau via B4 Relay Date: Tue, 04 Mar 2025 20:12:14 +0100 Subject: [PATCH] drm: Select DRM_KMS_HELPER from DRM_DEBUG_DP_MST_TOPOLOGY_REFS Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250304-drm_debug_dp_mst_topo_kconfig-v1-1-e16fd152f258@jannau.net> X-B4-Tracking: v=1; b=H4sIAI1Qx2cC/x3MQQqDMBAAwK/InhvIplqwXylliWZNFzEJiRZB/ LvB41zmgMJZuMC7OSDzX4rEUIGPBsafDZ6VuGow2nT6qVvl8kKOh82TS7SUldaYIs1jDJN4ZRF Nr9vBvhChHinzJPv9f77neQHbKI4hbwAAAA== X-Change-ID: 20250304-drm_debug_dp_mst_topo_kconfig-a112904ba611 To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Lyude Paul Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Janne Grunau X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2182; i=j@jannau.net; s=yk2024; h=from:subject:message-id; bh=CwxEpxjxqdhwbX3K+IrTZdcGwFWOTIRbUncA5vUkg+8=; b=owGbwMvMwCW2UNrmdq9+ahrjabUkhvTjAZNFwncV/wzyebfhsJvo05Cm1F29cU5SRzkvqPMtC HKMUGDvKGVhEONikBVTZEnSftnBsLpGMab2QRjMHFYmkCEMXJwCMJHqXQx/RblCHy68xXKhLsYv Tm7D4XJWr3XbKn8UcM/6YMh7yfuPACPD1kdeDy+VKrpv/qm9QSUyjl/koIfU851KOw/P2LS6wMe HEwA= X-Developer-Key: i=j@jannau.net; a=openpgp; fpr=8B336A6BE4E5695E89B8532B81E806F586338419 X-Endpoint-Received: by B4 Relay for j@jannau.net/yk2024 with auth_id=264 X-Original-From: Janne Grunau Reply-To: j@jannau.net From: Janne Grunau Using "depends on" and "select" for the same Kconfig symbol is known to cause circular dependencies (cmp. "Kconfig recursive dependency limitations" in Documentation/kbuild/kconfig-language.rst. DRM drivers are selecting drm helpers so do the same for DRM_DEBUG_DP_MST_TOPOLOGY_REFS. Fixes following circular dependency reported on x86 for the downstream Asahi Linux tree: error: recursive dependency detected! symbol DRM_KMS_HELPER is selected by DRM_GEM_SHMEM_HELPER symbol DRM_GEM_SHMEM_HELPER is selected by RUST_DRM_GEM_SHMEM_HELPER symbol RUST_DRM_GEM_SHMEM_HELPER is selected by DRM_ASAHI symbol DRM_ASAHI depends on RUST symbol RUST depends on CALL_PADDING symbol CALL_PADDING depends on OBJTOOL symbol OBJTOOL is selected by STACK_VALIDATION symbol STACK_VALIDATION depends on UNWINDER_FRAME_POINTER symbol UNWINDER_FRAME_POINTER is part of choice block at arch/x86/Kconfig= .debug:224 symbol unknown is visible depending on UNWINDER_GUESS symbol UNWINDER_GUESS prompt is visible depending on STACKDEPOT symbol STACKDEPOT is selected by DRM_DEBUG_DP_MST_TOPOLOGY_REFS symbol DRM_DEBUG_DP_MST_TOPOLOGY_REFS depends on DRM_KMS_HELPER Fixes: 12a280c72868 ("drm/dp_mst: Add topology ref history tracking for deb= ugging") Cc: stable@vger.kernel.org Signed-off-by: Janne Grunau Acked-by: Thomas Zimmermann --- drivers/gpu/drm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index fbef3f471bd0e5101699cf576542f7350bea3982..bd228dc77e99b4356b09de02d90= 01237eb2423e2 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -188,7 +188,7 @@ config DRM_DEBUG_DP_MST_TOPOLOGY_REFS bool "Enable refcount backtrace history in the DP MST helpers" depends on STACKTRACE_SUPPORT select STACKDEPOT - depends on DRM_KMS_HELPER + select DRM_KMS_HELPER depends on DEBUG_KERNEL depends on EXPERT help --- base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b change-id: 20250304-drm_debug_dp_mst_topo_kconfig-a112904ba611 Best regards, --=20 Janne Grunau