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 CFBF733FE26 for ; Sat, 28 Feb 2026 17:48:57 +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=1772300937; cv=none; b=tVV82b+aV4oYeU0k2VBYHkxvlDvJFex7ayvKFjiEpxTwA3RgSycDN7ndbyksHU+6phfA2yzRd7ML8yKCXExa8F6OLolWa6kj0ndYs12qIJMde+cHRSKxcKewTAHF51CUiLpNsXbQSXOzbCfT2IjH0baD1MV9nUbpXdqFegL6yMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300937; c=relaxed/simple; bh=fc3Kh2yBtdNTbOHCVECzb73vhKH0BfQwURlu6fT9Hl8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RGJXBmD7gnwNDzOsuJoUbXMRNvl+Cnvdf1YOcw4U1aExKEFKTznuuxdY/CaW2LI9K+cdJx4ogjCMH85YPXjMdv/LT9ifaIusUt6e6ThbQxjv8AEqRJNpmNg9LX8zzo5l4j51Q+IzgGTxZ9LIb64011f/S8yjk8vgVe6dxzW5NRc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fR2HRg5J; 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="fR2HRg5J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4135EC19424; Sat, 28 Feb 2026 17:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300937; bh=fc3Kh2yBtdNTbOHCVECzb73vhKH0BfQwURlu6fT9Hl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fR2HRg5JciNoIsaf5MgeMAEJhrEHPkg3cWm6QAnTuBUlLr+OvZ4KJlDOxhWTbdN8u Zgu2UswZ+uuOAqmNfWYn1o4ynyY5E2FhV+jJIR2bOCstLhIXATDxN5kbMR+20GAJ7C za+nAPf951hsjruM5qwdnswpFvXYULJ6qZNaP0ggf4LelWQkooe2emzFOw44wQ3Mj1 mDD0s3NQl8sYDCCJ5iUza7dWWNSUIeUgh6H7apFGbo3s2Lfg7ozM7OpmSFuV8WbCcp yObcWJ9SaqQRMUpjplxuk0gk6x90dmD3ojb//Xha4HdhkU1EQ2h+akJBV8gEjnoaHn 6RebJSAoW/Duw== From: Sasha Levin To: patches@lists.linux.dev Cc: Daniel Tang , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.18 058/752] powercap: intel_rapl: Add PL4 support for Ice Lake Date: Sat, 28 Feb 2026 12:36:09 -0500 Message-ID: <20260228174750.1542406-58-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: Daniel Tang [ Upstream commit 54b3cd55a515c7c0fcfa0c1f0b10d62c11d64bcc ] Microsoft Surface Pro 7 firmware throttles the processor upon boot/resume. Userspace needs to be able to restore the correct value. Link: https://github.com/linux-surface/linux-surface/issues/706 Signed-off-by: Daniel Tang Link: https://patch.msgid.link/6088605.ChMirdbgyp@daniel-desktop3 Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/powercap/intel_rapl_msr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index c6b9a7debc354..e827247683dbf 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -140,6 +140,7 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra) /* List of verified CPUs. */ static const struct x86_cpu_id pl4_support_ids[] = { + X86_MATCH_VFM(INTEL_ICELAKE_L, NULL), X86_MATCH_VFM(INTEL_TIGERLAKE_L, NULL), X86_MATCH_VFM(INTEL_ALDERLAKE, NULL), X86_MATCH_VFM(INTEL_ALDERLAKE_L, NULL), -- 2.51.0