From: Alex Deucher alexander.deucher@amd.com
[ Upstream commit 21818f39beda2e843199e5d8d9e3f9e43c8080a3 ]
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_v12_0.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index 1a84163182689..f0f30cfcf0d76 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -4605,7 +4605,9 @@ static void gfx_v12_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