[PATCH] drm/amd/pm: Support RAS fatal error mode1 reset on smu v13_0_0 and v13_0_10

[Candice Li <candice.li@xxxxxxx>]

Support RAS fatal error mode1 reset on smu v13_0_0 and v13_0_10.

Signed-off-by: Candice Li <candice.li@xxxxxxx>
Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
---
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c  | 42 +++++++++++++++++--
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c        |  6 +++
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h        |  3 ++
 3 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 969e5f96554015..d0cdc578344d8d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1904,15 +1904,51 @@ static int smu_v13_0_0_set_df_cstate(struct smu_context *smu,
 					       NULL);
 }
 
+static void smu_v13_0_0_set_mode1_reset_param(struct smu_context *smu,
+						uint32_t supported_version,
+						uint32_t *param)
+{
+	uint32_t smu_version;
+	struct amdgpu_device *adev = smu->adev;
+	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+	smu_cmn_get_smc_version(smu, NULL, &smu_version);
+
+	if ((smu_version >= supported_version) &&
+			ras && atomic_read(&ras->in_recovery))
+		/* Set RAS fatal error reset flag */
+		*param = 1 << 16;
+	else
+		*param = 0;
+}
+
 static int smu_v13_0_0_mode1_reset(struct smu_context *smu)
 {
 	int ret;
+	uint32_t param;
 	struct amdgpu_device *adev = smu->adev;
 
-	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
-		ret = smu_cmn_send_debug_smc_msg(smu, DEBUGSMC_MSG_Mode1Reset);
-	else
+	switch (adev->ip_versions[MP1_HWIP][0]) {
+	case IP_VERSION(13, 0, 0):
+		/* SMU 13_0_0 PMFW supports RAS fatal error reset from 78.77 */
+		smu_v13_0_0_set_mode1_reset_param(smu, 0x004e4d00, &param);
+
+		ret = smu_cmn_send_smc_msg_with_param(smu,
+						SMU_MSG_Mode1Reset, param, NULL);
+		break;
+
+	case IP_VERSION(13, 0, 10):
+		/* SMU 13_0_10 PMFW supports RAS fatal error reset from 80.28 */
+		smu_v13_0_0_set_mode1_reset_param(smu, 0x00501c00, &param);
+
+		ret = smu_cmn_send_debug_smc_msg_with_param(smu,
+						DEBUGSMC_MSG_Mode1Reset, param);
+		break;
+
+	default:
 		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode1Reset, NULL);
+		break;
+	}
 
 	if (!ret)
 		msleep(SMU13_MODE1_RESET_WAIT_TIME_IN_MS);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 768b6e7dbd7719..d5abafc5a68201 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -404,6 +404,12 @@ int smu_cmn_send_debug_smc_msg(struct smu_context *smu,
 	return __smu_cmn_send_debug_msg(smu, msg, 0);
 }
 
+int smu_cmn_send_debug_smc_msg_with_param(struct smu_context *smu,
+			 uint32_t msg, uint32_t param)
+{
+	return __smu_cmn_send_debug_msg(smu, msg, param);
+}
+
 int smu_cmn_to_asic_specific_index(struct smu_context *smu,
 				   enum smu_cmn2asic_mapping_type type,
 				   uint32_t index)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index f82cf76dd3a474..d7cd358a53bdcd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -45,6 +45,9 @@ int smu_cmn_send_smc_msg(struct smu_context *smu,
 int smu_cmn_send_debug_smc_msg(struct smu_context *smu,
 			 uint32_t msg);
 
+int smu_cmn_send_debug_smc_msg_with_param(struct smu_context *smu,
+			 uint32_t msg, uint32_t param);
+
 int smu_cmn_wait_for_response(struct smu_context *smu);
 
 int smu_cmn_to_asic_specific_index(struct smu_context *smu,
-- 
2.17.1