[PATCH 2/7] drm/amd/pm: enhance the real response for smu message

[Huang Rui]

The user prefers to know the real response value from C2PMSG 90 register
which is written by firmware not -EIO.

Signed-off-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index f8260769061c..42b125701436 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -111,6 +111,7 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu,
 {
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0, index = 0;
+	int response;
 
 	if (smu->adev->in_pci_err_recovery)
 		return 0;
@@ -137,8 +138,9 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu,
 
 	ret = smu_cmn_wait_for_response(smu);
 	if (ret) {
+		response = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90);
 		dev_err(adev->dev, "failed send message: %10s (%d) \tparam: 0x%08x response %#x\n",
-		       smu_get_message_name(smu, msg), index, param, ret);
+		       smu_get_message_name(smu, msg), index, param, response);
 		goto out;
 	}
 
-- 
2.25.1