[PATCH] Revert "drm/amd/pm: fixes a random hang in S4 for SMU v13.0.4/11"

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This reverts commit 31729e8c21ecfd671458e02b6511eb68c2225113.

This causes problems with reboots/shutdowns for some users.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3351
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Tim Huang <Tim.Huang@xxxxxxx>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
index 88f1a0d878f33..e8119918ef6b1 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
@@ -226,18 +226,8 @@ static int smu_v13_0_4_system_features_control(struct smu_context *smu, bool en)
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 
-	if (!en && !adev->in_s0ix) {
-		/* Adds a GFX reset as workaround just before sending the
-		 * MP1_UNLOAD message to prevent GC/RLC/PMFW from entering
-		 * an invalid state.
-		 */
-		ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset,
-						      SMU_RESET_MODE_2, NULL);
-		if (ret)
-			return ret;
-
+	if (!en && !adev->in_s0ix)
 		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL);
-	}
 
 	return ret;
 }
-- 
2.44.0




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