RE: [PATCH 2/4] drm/amdgpu: Do not program SQ_TIMEOUT_CONFIG in SRIOV

["Luo, Zhigang" <Zhigang.Luo@xxxxxxx>]

[AMD Official Use Only - General]

Reviewed By Zhigang Luo <Zhigang.Luo@xxxxxxx>

 

 

From: Lu, Victor Cheng Chi (Victor) <VictorChengChi.Lu@xxxxxxx>
Sent: Friday, February 16, 2024 1:50 PM
To: Luo, Zhigang <Zhigang.Luo@xxxxxxx>
Subject: Fw: [PATCH 2/4] drm/amdgpu: Do not program SQ_TIMEOUT_CONFIG in SRIOV

 

[AMD Official Use Only - General]

 

 

---

From: Lu, Victor Cheng Chi (Victor) <VictorChengChi.Lu@xxxxxxx>
Sent: Tuesday, January 2, 2024 12:30 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>
Cc: Chander, Vignesh <Vignesh.Chander@xxxxxxx>; Lu, Victor Cheng Chi (Victor) <VictorChengChi.Lu@xxxxxxx>
Subject: [PATCH 2/4] drm/amdgpu: Do not program SQ_TIMEOUT_CONFIG in SRIOV

 

VF should not program this register.

Signed-off-by: Victor Lu <victorchengchi.lu@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 00b21ece081f..30cc155f20d4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -3888,6 +3888,9 @@ static void gfx_v9_4_3_inst_enable_watchdog_timer(struct amdgpu_device *adev,
         uint32_t i;
         uint32_t data;
 
+       if (amdgpu_sriov_vf(adev))
+               return;
+
         data = "" GET_INST(GC, 0), regSQ_TIMEOUT_CONFIG);
         data = "" SQ_TIMEOUT_CONFIG, TIMEOUT_FATAL_DISABLE,
                              amdgpu_watchdog_timer.timeout_fatal_disable ? 1 : 0);
--
2.34.1