[PATCH] drm/amd/pm: Fetch current power limit from FW

[Kamal, Asad]

[AMD Official Use Only - General]

Reviewed-by: Asad Kamal <asad.kamal at amd.com>

Thanks & Regards
Asad

-----Original Message-----
From: Lazar, Lijo <Lijo.Lazar at amd.com>
Sent: Thursday, January 18, 2024 2:33 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Kamal, Asad <Asad.Kamal at amd.com>
Subject: [PATCH] drm/amd/pm: Fetch current power limit from FW

Power limit of SMUv13.0.6 SOCs can be updated by out-of-band ways. Fetch the limit from firmware instead of using cached values.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index c16703868e5c..88cacb4770e2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2710,6 +2710,7 @@ int smu_get_power_limit(void *handle,
                case SMU_PPT_LIMIT_CURRENT:
                        switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
                        case IP_VERSION(13, 0, 2):
+                       case IP_VERSION(13, 0, 6):
                        case IP_VERSION(11, 0, 7):
                        case IP_VERSION(11, 0, 11):
                        case IP_VERSION(11, 0, 12):
--
2.25.1