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 37F9D350D64; Wed, 3 Dec 2025 16:55:42 +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=1764780942; cv=none; b=g8t/06/gE7EcM/slEQA7DJ7M+cpzwRTr6fKz22CWKYUAtDOoQcgrDVhS7MC+zKRJAGIK0BUj+sNdj3AYPJsJjVOuqAYJBXUoiUmOllPfvzF09gNA0y9Bswx7UqpPmFSL9C0lWrDSNDe0Gf8/ywlcS5eAZ2GUfv4pcfQ7wiK7i+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764780942; c=relaxed/simple; bh=AM/LryI3A8h4nyd8qw1LyxvW3xYw0e78l8zimXeLtu0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NTo3tOU2e5nHeTYS8NUqAlkfJRU63vLTDK1Fhhx+cfD6mSefJ/IF8rW4SsFc8C8/tDBBJhpUxkNG41W9Xiy3wi8Bh2GQCmE3SG0I7Q/HUaJXPkx+zUsIzgfq80Cudyt9tJFp7jRR+WdT3qsRYjbHOG+9FeTpbowi583o6bWwtq0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OFw6S0La; 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="OFw6S0La" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36FF5C4CEF5; Wed, 3 Dec 2025 16:55:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764780941; bh=AM/LryI3A8h4nyd8qw1LyxvW3xYw0e78l8zimXeLtu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OFw6S0LakIrS7soOg8/3b7eGxFJLJObgab7ZAIXLngRBQSS3DvYKkX7QfZCftwUAf QkvEzfdl44hz3rdmrG0WUfWCYzvunTj1kLHuKCqa04rzr92tx6+5j7XjEcTMZCiQHL 2SIn52o6q3d3Kl+N+zPhVeGZxu+sLDoChWQuNx7g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Michael Chen , Alex Deucher , Shaoyun liu Subject: [PATCH 6.12 105/132] drm/amd/amdgpu: reserve vm invalidation engine for uni_mes Date: Wed, 3 Dec 2025 16:29:44 +0100 Message-ID: <20251203152347.176274270@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152343.285859633@linuxfoundation.org> References: <20251203152343.285859633@linuxfoundation.org> User-Agent: quilt/0.69 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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michael Chen commit 971fb57429df5aa4e6efc796f7841e0d10b1e83c upstream. Reserve vm invalidation engine 6 when uni_mes enabled. It is used in processing tlb flush request from host. Signed-off-by: Michael Chen Acked-by: Alex Deucher Reviewed-by: Shaoyun liu Signed-off-by: Alex Deucher (cherry picked from commit 873373739b9b150720ea2c5390b4e904a4d21505) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -580,6 +580,9 @@ int amdgpu_gmc_allocate_vm_inv_eng(struc /* reserve engine 5 for firmware */ if (adev->enable_mes) vm_inv_engs[i] &= ~(1 << 5); + /* reserve engine 6 for uni mes */ + if (adev->enable_uni_mes) + vm_inv_engs[i] &= ~(1 << 6); /* reserve mmhub engine 3 for firmware */ if (adev->enable_umsch_mm) vm_inv_engs[i] &= ~(1 << 3);