linux-kernel - [PATCH v3 4/4] powercap: Add AMD Fam19h RAPL support

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Date:   Tue, 27 Oct 2020 07:23:57 +0000
From:   Victor Ding <victording@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Kim Phillips <kim.phillips@....com>,
        Zhang Rui <rui.zhang@...el.com>, linux-pm@...r.kernel.org,
        Victor Ding <victording@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: [PATCH v3 4/4] powercap: Add AMD Fam19h RAPL support

From: Kim Phillips <kim.phillips@....com>

AMD Family 19h's RAPL MSRs are identical to Family 17h's.  Extend
Family 17h's support to Family 19h.

Signed-off-by: Kim Phillips <kim.phillips@....com>
Signed-off-by: Victor Ding <victording@...gle.com>


---

Changes in v3:
By Victor Ding <victording@...gle.com>
 - Rebased to the latest code.
 - Created a new rapl_defaults for AMD CPUs.
 - Removed redundant setting to zeros.
 - Stopped using the fake power limit domain 1.
By Victor Ding <victording@...gle.com>
 - Changed it to use rapl_defaults_amd.

Changes in v2:
By Kim Phillips <kim.phillips@....com>
- Added the Fam19h patch to the end of the series
- Added my Acked-by
- Added Daniel Lezcano to Cc
- (linux-pm was already on Cc)
- (No code changes)
By Kim Phillips <kim.phillips@....com>:
 - Added Daniel Lezcano to Cc.
 - (No code changes).

 drivers/powercap/intel_rapl_common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index bedd780bed12..264872f7f46d 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -1067,6 +1067,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
 	X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM,	&rapl_defaults_hsw_server),
 
 	X86_MATCH_VENDOR_FAM(AMD, 0x17, &rapl_defaults_amd),
+	X86_MATCH_VENDOR_FAM(AMD, 0x19, &rapl_defaults_amd),
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, rapl_ids);
-- 
2.29.0.rc2.309.g374f81d7ae-goog