[PATCH] drm/amd/pm: Increase SMUv13.0.6 mode-2 reset time

Lijo Lazar lijo.lazar at amd.com
Mon Feb 26 10:37:56 UTC 2024


On SOCs with SMUv13.0.6, mode-2 reset takes a bit longer. Wait for 200ms
before trying to restore config space after mode-2 reset.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 29c102fe650d..2b7a60b23d6b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -2307,8 +2307,8 @@ static int smu_v13_0_6_mode2_reset(struct smu_context *smu)
 	ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index,
 					       SMU_RESET_MODE_2);
 
-	/* This is similar to FLR, wait till max FLR timeout */
-	msleep(100);
+	/* Reset takes a bit longer, wait for 200ms. */
+	msleep(200);
 
 	dev_dbg(smu->adev->dev, "restore config space...\n");
 	/* Restore the config space saved during init */
-- 
2.25.1



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