[PATCH v2 1/2] drm/amd/pm: fix reading SMU FW version from amdgpu_firmware_info on YC

[Chen, Guchun]

[Public]

A nitpick.

As we have defined a local variable 'adev', so code like 'smu->adev' should be replaced directly by 'adev' in the function to make code clean.

With above addressed, the series is:

Reviewed-by: Guchun Chen <guchun.chen at amd.com>

Regards,
Guchun

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Mario Limonciello
Sent: Monday, December 13, 2021 11:09 PM
To: amd-gfx at lists.freedesktop.org
Cc: Limonciello, Mario <Mario.Limonciello at amd.com>
Subject: [PATCH v2 1/2] drm/amd/pm: fix reading SMU FW version from amdgpu_firmware_info on YC

This value does not get cached into adev->pm.fw_version during startup for smu13 like it does for other SMU like smu12.

Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
v1->v2:
* Run on all v13 APU to match v12 behavior  drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 55421ea622fb..7fdb63da1316 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -196,6 +196,7 @@ int smu_v13_0_check_fw_status(struct smu_context *smu)
 
 int smu_v13_0_check_fw_version(struct smu_context *smu)  {
+	struct amdgpu_device *adev = smu->adev;
 	uint32_t if_version = 0xff, smu_version = 0xff;
 	uint16_t smu_major;
 	uint8_t smu_minor, smu_debug;
@@ -208,6 +209,8 @@ int smu_v13_0_check_fw_version(struct smu_context *smu)
 	smu_major = (smu_version >> 16) & 0xffff;
 	smu_minor = (smu_version >> 8) & 0xff;
 	smu_debug = (smu_version >> 0) & 0xff;
+	if (smu->is_apu)
+		adev->pm.fw_version = smu_version;
 
 	switch (smu->adev->ip_versions[MP1_HWIP][0]) {
 	case IP_VERSION(13, 0, 2):
--
2.25.1