From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793214501; b=f1NnH2cr8IWRdHPgSgphQ26buLZmRdFfpIeRZC/K84I/23MOsFVq/f0OSU8KQAfBVvus ek+LPUMVwryk0JEmXd5dsm7vWtL7UN9yPHGjl7Iau4jzgdyyADxsR+vlLvHpDkccpx6z1 hOUFlYsVHbmHO7RIoqag+jdpJoU//TYn0rtOmB/tIr3LGKuMhm1x7q0gefrVCAjfQdRSp wg/AAJcUhmyVwoVPoYX1GTG3nhId/t4MIL1Jp/qIqNWvsXcaXDT3bU9f+GmB6nwvJHe0z qSTvJW58oDlOyutjTqUHNNkKTyCgR8IY2i3jvFhOcmfuREV+VVHAPEnZv5V1WI6yCTw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793214501; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=73d7eyT+DEHa/ArbGWgLQnjv7P0rKwJbe/bisI5A6hE=; b=FrA7XVcromv3Yr+REgKIwkd68zuWadfPzKfLSqcQeDXi/3bCx6Y1Wem05nFp8mzzd76c x34nwHh+Yeju3BkhprCAvmYZX9qLIdq5elBTctCfrPBQNHPVivPND93aHdNsvpGX4fXy9 Vua/FXG4z/ECT+bWSLyKqOIWF+rHJC5JNGB9vRq/5rqza7qxzdjZjty/ii6lpzpeFlLId XZnUoksxP1VWBcOB2Jra1dVATxJqcL+F5fF3uR9Q8RKBFPk0F21OTEIk72HcqaQyRyAIJ EgLyXXKtosieDnv1gC0Qa9WCG3787m2lII2szcqcd3oXkLiArPxz8Ti37liuBpHIgGw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=pwRCT244; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E156606BF8F; Wed, 28 Oct 2026 19:08:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=pwRCT244 Received: by smtp.kernel.org (Postfix) with ESMTPSA id DEE401F01825; Wed, 28 Oct 2026 19:08:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793214501; bh=73d7eyT+DEHa/ArbGWgLQnjv7P0rKwJbe/bisI5A6hE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=pwRCT244/RPb0PHj4X1MsUurzI17bue7NSmO7/f0QtdJ8Pn5PiE2EjHM0fIGnGe7i lxGR8DlP0GvFCoq3lMfEeaYUi8Zy1Mh3Ryrxr+RxrOlBpuhOXXEXHIzKlGZmeTwFE2 wq+bPSJkA9YA77eWMJskkR4BvlkN3SNCxXvhb6CY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Christian=20K=C3=B6nig?= , Mangesh Gadre , Alex Deucher , Arunpravin Paneer Selvam , Sasha Levin Subject: [PATCH 6.1 0881/1887] drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM Date: Wed, 28 Oct 2026 17:49:37 +0100 Message-ID: <20261028170519.466604620@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028170459.200466217@linuxfoundation.org> References: <20261028170459.200466217@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian König [ Upstream commit 33cc891b56b93cad1a83263eaf2e417436f70c82 ] Otherwise accessing them can cause a crash. Signed-off-by: Christian König Tested-by: Mangesh Gadre Acked-by: Alex Deucher Reviewed-by: Arunpravin Paneer Selvam Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index aef76467c409f..4d8912345c38f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -223,6 +223,9 @@ static umode_t amdgpu_vram_attrs_is_visible(struct kobject *kobj, !adev->gmc.vram_vendor) return 0; + if (!ttm_resource_manager_used(&adev->mman.vram_mgr.manager)) + return 0; + return attr->mode; } -- 2.53.0