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

[Luo, Zhigang]

[AMD Official Use Only - General]

Reviewed By Zhigang Luo <Zhigang.Luo at amd.com<mailto:Zhigang.Luo at amd.com>>


From: Lu, Victor Cheng Chi (Victor) <VictorChengChi.Lu at amd.com>
Sent: Friday, February 16, 2024 1:50 PM
To: Luo, Zhigang <Zhigang.Luo at amd.com>
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 at amd.com<mailto:VictorChengChi.Lu at amd.com>>
Sent: Tuesday, January 2, 2024 12:30 PM
To: amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org> <amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org>>
Cc: Chander, Vignesh <Vignesh.Chander at amd.com<mailto:Vignesh.Chander at amd.com>>; Lu, Victor Cheng Chi (Victor) <VictorChengChi.Lu at amd.com<mailto:VictorChengChi.Lu at amd.com>>
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 at amd.com<mailto:victorchengchi.lu at amd.com>>
---
 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 = RREG32_SOC15(GC, GET_INST(GC, 0), regSQ_TIMEOUT_CONFIG);
         data = REG_SET_FIELD(data, SQ_TIMEOUT_CONFIG, TIMEOUT_FATAL_DISABLE,
                              amdgpu_watchdog_timer.timeout_fatal_disable ? 1 : 0);
--
2.34.1
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