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 C74F129B78F; Fri, 21 Nov 2025 13:40:38 +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=1763732438; cv=none; b=foDfmb5fJ0hcheRX78URoLRJHaDTfopHD8xdGG4gQ5oiEZXm1YKeC6v5EDbml4xX7D36JRNeCMUyCkFgi7/eChP6IVbtpkvZBqQiup1L0gi8pkBlJDKDc8nvXDNsvVCrYfY0/+qCCKNmUotN6WOLHMsrlVUqW6IFWZIHzrX1TFk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763732438; c=relaxed/simple; bh=JyRT3oWd7G4jBnnGGb78UZ7O270YsHkO59wgUgNbd8w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i+4q7SeVUCQqkPPGOeiirNBlKS2W7nEC40O6ZsqmPKBrfQCcLOr57TbTEMUyUTfLNmQ4CguofSCu5OkPGNf0WJ8tnZqfCn51UNn70PRa4dQoqL/3KtetsTwpSW5Bn+HRDHV9dDXeE/kgsjQsaDSPpwqkEBpy3zRqPppVL7GpYhc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ZhQ0wdSB; 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="ZhQ0wdSB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50DD5C4CEF1; Fri, 21 Nov 2025 13:40:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763732438; bh=JyRT3oWd7G4jBnnGGb78UZ7O270YsHkO59wgUgNbd8w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZhQ0wdSBQ4rVLESH7wGtgaayQKEjbheeFqY9R7uyPK9olMrD8wuMy/mKSg+2NiXMW DpB0kdvLdDiU6riXEf1jeb1HT/E8XqmAB73gON1DVYELolWuweI3yRWglVtq7CxtuH L5T5LGGbBdEQznQrTzxS6Ju1YvPZN6/CnGhY9Mvw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sathishkumar S , Leo Liu , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 121/529] drm/amdgpu/jpeg: Hold pg_lock before jpeg poweroff Date: Fri, 21 Nov 2025 14:07:00 +0100 Message-ID: <20251121130235.329223366@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130230.985163914@linuxfoundation.org> References: <20251121130230.985163914@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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sathishkumar S [ Upstream commit 0e7581eda8c76d1ca4cf519631a4d4eb9f82b94c ] Acquire jpeg_pg_lock before changes to jpeg power state and release it after power off from idle work handler. Signed-off-by: Sathishkumar S Reviewed-by: Leo Liu Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c index 2ff2897fd1db6..cd8fa1164d540 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c @@ -87,10 +87,12 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work) fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec[j]); } - if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) + if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) { + mutex_lock(&adev->jpeg.jpeg_pg_lock); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG, AMD_PG_STATE_GATE); - else + mutex_unlock(&adev->jpeg.jpeg_pg_lock); + } else schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT); } -- 2.51.0