[AMD Official Use Only - General]

Reviewed-by: Samir Dhume <[email protected]>

-----Original Message-----
From: amd-gfx <[email protected]> On Behalf Of Victor Lu
Sent: Tuesday, January 2, 2024 12:30 PM
To: [email protected]
Cc: Chander, Vignesh <[email protected]>; Lu, Victor Cheng Chi (Victor) 
<[email protected]>
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 <[email protected]>
---
 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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