[PATCH AUTOSEL 6.10 181/197] drm/amdgpu/gfx10: use rlc safe mode for soft recovery

Sasha Levin sashal at kernel.org
Wed Sep 25 11:53:20 UTC 2024


From: Alex Deucher <alexander.deucher at amd.com>

[ Upstream commit ead60e9c4e29c8574cae1be4fe3af1d9a978fb0f ]

Protect the MMIO access with safe mode.

Acked-by: Vitaly Prosyak <vitaly.prosyak at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 536287ddd2ec1..6204336750c6a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8897,7 +8897,9 @@ static void gfx_v10_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, mmSQ_CMD, value);
+	amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
 }
 
 static void
-- 
2.43.0



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