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[v3,4/4] powercap: Add AMD Fam19h RAPL support

Message ID 20201027072358.13725-5-victording@google.com
State New
Headers show
Series powercap: Enable RAPL for AMD Fam17h and Fam19h | expand

Commit Message

Victor Ding Oct. 27, 2020, 7:23 a.m. UTC 
From: Kim Phillips <kim.phillips@amd.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@amd.com>
Signed-off-by: Victor Ding <victording@google.com>


---

Changes in v3:
By Victor Ding <victording@google.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@google.com>
 - Changed it to use rapl_defaults_amd.

Changes in v2:
By Kim Phillips <kim.phillips@amd.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@amd.com>:
 - Added Daniel Lezcano to Cc.
 - (No code changes).

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

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);