[PATCH 2/2] drm/amdgpu/swsmu: handle VCN harvesting for VCN PG control

[Alex Deucher]

Check if VCN instances are harvested when controlling
VCN power gating.

Fixes: 1b592d00b4ac83 ("drm/amdgpu/vcn: remove manual instance setting")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1743
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c   | 28 +++++--------------
 1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 15e66e1912de..9326547fe5fb 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -902,32 +902,18 @@ static int sienna_cichlid_set_default_dpm_table(struct smu_context *smu)
 static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enable)
 {
 	struct amdgpu_device *adev = smu->adev;
-	int ret = 0;
+	int i, ret = 0;
 
-	if (enable) {
+	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
 		/* vcn dpm on is a prerequisite for vcn power gate messages */
 		if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_MM_DPM_PG_BIT)) {
-			ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 0, NULL);
+			ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+							      SMU_MSG_PowerUpVcn : SMU_MSG_PowerDownVcn,
+							      0x10000 * i, NULL);
 			if (ret)
 				return ret;
-			if (adev->vcn.num_vcn_inst > 1) {
-				ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn,
-								  0x10000, NULL);
-				if (ret)
-					return ret;
-			}
-		}
-	} else {
-		if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_MM_DPM_PG_BIT)) {
-			ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownVcn, 0, NULL);
-			if (ret)
-				return ret;
-			if (adev->vcn.num_vcn_inst > 1) {
-				ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownVcn,
-								  0x10000, NULL);
-				if (ret)
-					return ret;
-			}
 		}
 	}
 
-- 
2.31.1