[AMD Official Use Only - General]
Reviewed-by: Asad Kamal <asad.kamal@xxxxxxx>
Thanks & Regards
Asad
-----Original Message-----
From: Lazar, Lijo <Lijo.Lazar@xxxxxxx>
Sent: Monday, February 26, 2024 4:08 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Kamal, Asad <Asad.Kamal@xxxxxxx>
Subject: [PATCH] drm/amd/pm: Increase SMUv13.0.6 mode-2 reset time
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@xxxxxxx>
---
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
