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 E798728D858; Wed, 23 Apr 2025 15:18:14 +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=1745421495; cv=none; b=B3MagmYLbaNMR6RxYVgnl77o2rTFbm6o0TbLdgNSvzrNiYT5nB6qh8mcjsvhWLFaFrNN5krSRgk8cz8j+UER7XTheVOJFjk8lD1BxPwCUErZi45+OsK9UAFbl49p4zWKWrVjECWfP1bnzeWJtf9NoZrkrzP478USLMyhYoGUziI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745421495; c=relaxed/simple; bh=2wp1+RuCb3jAvwXvckrNpyvgRwaPN3JytLX7Shlw28U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aZpGw6ZqdzMRJVxUMcWIzdd3ZEcaxvxxhgbmcqC0rZQ54FkSCESRsDXKRmebxFqE/+h3t8mNkvHM7LYTAqUe9gHEwiOGndvSwIfOsQBSfiRGSHEI7HvyHqCi12WVthYQMBMZFqP+aNl7OcF5p+G42SxguRR0y12iX5K28yxnqNU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jZ/4XXJB; 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="jZ/4XXJB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 788A7C4CEE3; Wed, 23 Apr 2025 15:18:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745421494; bh=2wp1+RuCb3jAvwXvckrNpyvgRwaPN3JytLX7Shlw28U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jZ/4XXJBPV2WmPMWrAO1oRfkx557r7Zvufi13F66YgF2B7R+oK4D70rp74ORNRwxX J8U8Kxu5q1eSeBT/FXMkL6M9h3gptObUcPDAJM0nKGnDlQPu8NbcM/NiQiTzCtMwq/ I0CSCDY/e69jVYHq4vWZ/1NRaQznqPsG/f3Okzc4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher Subject: [PATCH 6.14 195/241] drm/amdgpu/mes11: optimize MES pipe FW version fetching Date: Wed, 23 Apr 2025 16:44:19 +0200 Message-ID: <20250423142628.477881123@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250423142620.525425242@linuxfoundation.org> References: <20250423142620.525425242@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit b71a2bb0ce07f40f92f59ed7f283068e41b10075 upstream. Don't fetch it again if we already have it. It seems the registers don't reliably have the value at resume in some cases. Fixes: 028c3fb37e70 ("drm/amdgpu/mes11: initiate mes v11 support") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4083 Reviewed-by: Mario Limonciello Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -899,6 +899,10 @@ static void mes_v11_0_get_fw_version(str { int pipe; + /* return early if we have already fetched these */ + if (adev->mes.sched_version && adev->mes.kiq_version) + return; + /* get MES scheduler/KIQ versions */ mutex_lock(&adev->srbm_mutex);