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

[Dhume, Samir]

[AMD Official Use Only - General]

Reviewed-by: Samir Dhume <samir.dhume at amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Victor Lu
Sent: Tuesday, January 2, 2024 12:30 PM
To: amd-gfx at lists.freedesktop.org
Cc: Chander, Vignesh <Vignesh.Chander at amd.com>; Lu, Victor Cheng Chi (Victor) <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>
---
 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