From: Asad Kamal <asad.kamal@amd.com>
Date: Thu, 12 Mar 2026 07:26:16 +0000 (+0800)
Subject: drm/amd/pm: Add common smu fw check function
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=febc4b43661cd12dbc6255acb83b7fe60287459b;p=thirdparty%2Flinux.git

drm/amd/pm: Add common smu fw check function

Add common smu firmware version check function

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 326c86b920a2f..a644579903f40 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -1035,6 +1035,35 @@ int smu_cmn_get_smc_version(struct smu_context *smu,
 	return ret;
 }
 
+int smu_cmn_check_fw_version(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t if_version = 0xff, smu_version = 0xff;
+	uint8_t smu_program, smu_major, smu_minor, smu_debug;
+	int ret;
+
+	ret = smu_cmn_get_smc_version(smu, &if_version, &smu_version);
+	if (ret)
+		return ret;
+
+	smu_program = (smu_version >> 24) & 0xff;
+	smu_major = (smu_version >> 16) & 0xff;
+	smu_minor = (smu_version >> 8) & 0xff;
+	smu_debug = (smu_version >> 0) & 0xff;
+	adev->pm.fw_version = smu_version;
+
+	dev_info_once(adev->dev, "smu driver if version = 0x%08x, smu fw if version = 0x%08x, "
+		      "smu fw program = %d, smu fw version = 0x%08x (%d.%d.%d)\n",
+		      smu->smc_driver_if_version, if_version,
+		      smu_program, smu_version, smu_major, smu_minor, smu_debug);
+
+	if (smu->smc_driver_if_version != SMU_IGNORE_IF_VERSION &&
+	    if_version != smu->smc_driver_if_version)
+		dev_info(adev->dev, "SMU driver if version not matched\n");
+
+	return 0;
+}
+
 int smu_cmn_update_table(struct smu_context *smu,
 			 enum smu_table_id table_index,
 			 int argument,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index b7bfddc65fb21..e4d282d8bcae3 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -207,6 +207,7 @@ int smu_cmn_print_pcie_levels(struct smu_context *smu,
 
 int smu_cmn_dpm_pcie_gen_idx(int gen);
 int smu_cmn_dpm_pcie_width_idx(int width);
+int smu_cmn_check_fw_version(struct smu_context *smu);
 
 /*SMU gpu metrics */