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From f2e4b85b7076b47323d10b8a379d0c44d186de92 Mon Sep 17 00:00:00 2001
From: Kevin Wang <Kevin1.Wang@amd.com>
Date: Wed, 12 Dec 2018 11:21:16 +0800
Subject: [PATCH 1356/2940] drm/amd/powerplay: implement check_fw_version
function for smu11
Add function of check firmware version for smu11
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 29 +++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 142ad1da5690..58091442f8d3 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -26,6 +26,7 @@
#include "amdgpu_smu.h"
#include "smu_v11_0.h"
#include "smu_v11_0_ppsmc.h"
+#include "smu11_driver_if.h"
#include "soc15_common.h"
#include "asic_reg/thm/thm_11_0_2_offset.h"
@@ -44,6 +45,14 @@ static int smu_v11_0_send_msg_without_waiting(struct smu_context *smu,
return 0;
}
+static int smu_v11_0_read_arg(struct smu_context *smu, uint32_t *arg)
+{
+ struct amdgpu_device *adev = smu->adev;
+
+ *arg = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
+ return 0;
+}
+
static int smu_v11_0_wait_for_response(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
@@ -182,10 +191,30 @@ static int smu_v11_0_check_fw_status(struct smu_context *smu)
return -EIO;
}
+static int smu_v11_0_check_fw_version(struct smu_context *smu)
+{
+ uint32_t smu_version = 0xff;
+ int ret = 0;
+
+ ret = smu_send_smc_msg(smu, PPSMC_MSG_GetDriverIfVersion);
+ if (ret)
+ goto err;
+
+ ret = smu_v11_0_read_arg(smu, &smu_version);
+ if (ret)
+ goto err;
+
+ if (smu_version == SMU11_DRIVER_IF_VERSION)
+ return 0;
+err:
+ return ret;
+}
+
static const struct smu_funcs smu_v11_0_funcs = {
.init_microcode = smu_v11_0_init_microcode,
.load_microcode = smu_v11_0_load_microcode,
.check_fw_status = smu_v11_0_check_fw_status,
+ .check_fw_version = smu_v11_0_check_fw_version,
.send_smc_msg = smu_v11_0_send_msg,
.send_smc_msg_with_param = smu_v11_0_send_msg_with_param,
};
--
2.17.1
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