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

From: Victor Ding
Date: Tue Oct 27 2020 - 03:25:36 EST


From: Kim Phillips <kim.phillips@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Victor Ding <victording@xxxxxxxxxx>


---

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

Changes in v2:
By Kim Phillips <kim.phillips@xxxxxxx>
- 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@xxxxxxx>:
- 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