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 08C64346A09; Wed, 3 Dec 2025 16:00:18 +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=1764777619; cv=none; b=Jdez/kddUQsPtPU94IXD+jdD9J8Z7eH96bBMRLMT67XOWYK1wsJ8DSMwTKIXNXa4QGBF1aqpHhqDzNazn3tp7anTZdmL93sHw3pMVMBH3DVJKfDtw+0b8frfcxLDY09SNGQ7EFrv66BkwSr/msAxBIKGhxcl5SX4aB8VaksaqNI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777619; c=relaxed/simple; bh=eC7iWINYk8ynF8TScypnfBZyvzFfOElfifgyCSTxxHo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gJzOmLJeM8Q422NBszbc/t1a2eouJ1InN8mOm89QmZQqqIfvfZck3WaumPu3yPiluKqjt/jW9y1dquEI6j84fI50CW2GmxwzizQjQLFVxQJ35t/KOjrXcDB2Ez4usW3KrrLFmDPPEF3spoLW2rZHUse01jVhhwmO+ukULrCjtko= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=AXbCAoj8; 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="AXbCAoj8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AEF6C116B1; Wed, 3 Dec 2025 16:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764777618; bh=eC7iWINYk8ynF8TScypnfBZyvzFfOElfifgyCSTxxHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AXbCAoj8i0UmnqHfDteNLxH2AFQcKPlB2duoUFRUB3OjqjLChLwYsFphiDUDzdp/n +xiZ9mU3dvDuvvP8V2qtp4C+RrmHK1gaX9zrSacMCPwc/vLcP0Rmm1KQd9j4/nir/I t4czl/r2KWQai1XXSL7x5fFRJZAzfTQmpIDuPT64= 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 5.15 092/392] drm/amdgpu/jpeg: Hold pg_lock before jpeg poweroff Date: Wed, 3 Dec 2025 16:24:02 +0100 Message-ID: <20251203152417.488883330@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@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 5.15-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 9342aa23ebd26..902523af9865a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c @@ -85,10 +85,12 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work) fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec); } - 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