From: Alex Deucher <[email protected]>

[ Upstream commit 3f2d35c325534c1b7ac5072173f0dc7ca969dec2 ]

Protect the MMIO access with safe mode.

Acked-by: Vitaly Prosyak <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index c813cd7b015e1..54ec9b32562c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5701,7 +5701,9 @@ static void gfx_v11_0_ring_soft_recovery(struct 
amdgpu_ring *ring,
        value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);
        value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);
        value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);
+       amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
        WREG32_SOC15(GC, 0, regSQ_CMD, value);
+       amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
 }
 
 static void
-- 
2.43.0

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