[PATCH AUTOSEL 6.11 224/244] drm/amdgpu/gfx11: use rlc safe mode for soft recovery

Sasha Levin
2024-09-25T11:52:55Z

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

[ Upstream commit 3f2d35c325534c1b7ac5072173f0dc7ca969dec2 ]

Protect the MMIO access with safe mode.

Acked-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 228124b389541..b80b1b6f2eea7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -6008,7 +6008,9 @@ 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