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 61EC3340290 for ; Sat, 28 Feb 2026 17:53:36 +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=1772301216; cv=none; b=RQ8bAtCg4T9qB/xDlRKuGjM4KGVUsMp92B3OzJfoOT6kc6bfro2zs4fepW2o5tnkoHX0wg6Osb2UPDhehpZac1SAXHyOhwdQkx7KdvqV6tXqmVssXwuBzwqlhZPVf0tTzy0tDj09zMpLrfK699F0rRgQkwjKNRg9AT3IuzIvBl8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301216; c=relaxed/simple; bh=nGfWN/RyvxmqAuCr2FHXkxLg68q650iTb5z6WbxzE9w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aH5M0FngtLZ13thjfJhE4Nh1hPdfoTayCax38XlAe9T/hdDhjI5/U7OqAu/qatmT2MiWDil06ycWN2XyV+ptjlCOStYFZhGvJh4n9eq/JFEYN+7YXDaCSGnPofKRcCOYMgFuwxnbCZngQHQANbniVh+WuUlIBvFQ9SSzGRZMR4k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oMKPaf8A; 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="oMKPaf8A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C54E4C19423; Sat, 28 Feb 2026 17:53:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301216; bh=nGfWN/RyvxmqAuCr2FHXkxLg68q650iTb5z6WbxzE9w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oMKPaf8AjBxf3SifitmJuUIODW1CM+CRS+WBij8zh+0FZjWOeN+mmLeIbBoWbyaur 4In5kzPs4o0WeSXoy1Cxe6TXZdFRlCC0FT6UTP9N3vrYHlUog/wjp8EkR89hHVfykQ LS3w/yFfhjumN6mX4zNhV/H/U2m0nZd2zPkD+3Jbcr+X2iOOzzorurLFgX4BU/Ay6d 5UPSgE9P7YpRr3JV5KGudcpW3A/JC+ILT1JPd0NypCqpaeb3vC4m0kymtY7MdJoHTL HJqp7QmZqBIdCBmlYmcsJURnuI+gzm4Yox1xirYRZlv3nkuLpgQIS+9PU7YAvuDYH8 j962qulKCk5Yg== From: Sasha Levin To: patches@lists.linux.dev Cc: Victor Zhao , Alex Deucher , Sasha Levin Subject: [PATCH 6.18 392/752] drm/amdgpu: avoid sdma ring reset in sriov Date: Sat, 28 Feb 2026 12:41:43 -0500 Message-ID: <20260228174750.1542406-392-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Victor Zhao [ Upstream commit 5cc7bbd9f1b74d9fe2f7ac08d6ba0477e8d2d65f ] sdma ring reset is not supported in SRIOV. kfd driver does not check reset mask, and could queue sdma ring reset during unmap_queues_cpsch. Avoid the ring reset for sriov. Signed-off-by: Victor Zhao Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c index 8b8a04138711c..321310ba2c08e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c @@ -558,6 +558,9 @@ int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id, struct amdgpu_ring *gfx_ring = &sdma_instance->ring; struct amdgpu_ring *page_ring = &sdma_instance->page; + if (amdgpu_sriov_vf(adev)) + return -EOPNOTSUPP; + mutex_lock(&sdma_instance->engine_reset_mutex); if (!caller_handles_kernel_queues) { -- 2.51.0