[PATCH AUTOSEL 6.6 128/139] drm/amdgpu/gfx10: use rlc safe mode for soft recovery

From: Sasha Levin
Date: Wed Sep 25 2024 - 10:06:29 EST


From: Alex Deucher <alexander.deucher@xxxxxxx>

[ Upstream commit ead60e9c4e29c8574cae1be4fe3af1d9a978fb0f ]

Protect the MMIO access with safe mode.

Acked-by: Vitaly Prosyak <vitaly.prosyak@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 cd594b92c6129..53c99bc6abb33 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8748,7 +8748,9 @@ 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