[PATCH AUTOSEL 6.11 213/244] drm/amdgpu/gfx9: use rlc safe mode for soft recovery

Sasha Levin
2024-09-25T11:52:13Z

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

[ Upstream commit 3ec2ad7c34c412bd9264cd1ff235d0812be90e82 ]

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_v9_0.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 6f178bfb8f104..02eb5bd9d7d82 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -5862,7 +5862,9 @@ static void gfx_v9_0_ring_soft_recovery(struct amdgpu_ring *ring, unsigned vmid)
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 gfx_v9_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
--
2.43.0