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From: Harry Pan <harry.pan@intel.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: gs0622@gmail.com, Harry Pan <harry.pan@intel.com>,
	Jacob Pan <jacob.jun.pan@linux.intel.com>,
	Len Brown <lenb@kernel.org>,
	linux-pm@vger.kernel.org
Subject: [PATCH v3] intel_idle: Add Comet Lake support
Date: Tue,  3 Mar 2020 17:09:57 +0800	[thread overview]
Message-ID: <20200303170948.1.I108734f38ade020c3e5da825839dca11d2a2ff87@changeid> (raw)
In-Reply-To: <20200227013411.1.Ica3bb9fa898499d94e0b0a2bfa08ec46c89d84fa@changeid>

Add a general C-state table in order to support Comet Lake.

Signed-off-by: Harry Pan <harry.pan@intel.com>

---

 drivers/idle/intel_idle.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index d55606608ac8..05bce595fafe 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1067,6 +1067,11 @@ static const struct idle_cpu idle_cpu_dnv = {
 	.use_acpi = true,
 };
 
+static const struct idle_cpu idle_cpu_cml = {
+	.state_table = skl_cstates,
+	.disable_promotion_to_c1e = true,
+};
+
 static const struct x86_cpu_id intel_idle_ids[] __initconst = {
 	INTEL_CPU_FAM6(NEHALEM_EP,		idle_cpu_nhx),
 	INTEL_CPU_FAM6(NEHALEM,			idle_cpu_nehalem),
@@ -1105,6 +1110,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
 	INTEL_CPU_FAM6(ATOM_GOLDMONT_PLUS,	idle_cpu_bxt),
 	INTEL_CPU_FAM6(ATOM_GOLDMONT_D,		idle_cpu_dnv),
 	INTEL_CPU_FAM6(ATOM_TREMONT_D,		idle_cpu_dnv),
+	INTEL_CPU_FAM6(COMETLAKE_L,		idle_cpu_cml),
+	INTEL_CPU_FAM6(COMETLAKE,		idle_cpu_cml),
 	{}
 };
 
-- 
2.24.1


  parent reply	other threads:[~2020-03-03  9:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-26 17:34 [PATCH] intel_idle: Add Comet Lake support Harry Pan
2020-02-26 21:47 ` Rafael J. Wysocki
2020-02-27 10:56   ` Rafael J. Wysocki
2020-03-03  9:09 ` Harry Pan [this message]
2020-03-04  9:53   ` [PATCH v3] " Rafael J. Wysocki
2020-03-04 11:57     ` Pan, Harry
2020-03-04 21:14       ` Rafael J. Wysocki
2020-03-09  9:02         ` Pan, Harry
2020-03-10  8:37           ` Rafael J. Wysocki
2020-03-04 11:43   ` [PATCH v4] " Harry Pan
2020-03-12  9:25     ` [PATCH v5] " Harry Pan

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