drm/amdgpu/gfx10: use rlc safe mode for soft recovery

alexdeucher · alexdeucher · commit ead60e9c4e29 · 2024-09-02T11:41:40.000-04:00
Protect the MMIO access with safe mode.

Acked-by: Vitaly Prosyak &lt;vitaly.prosyak@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8949,7 +8949,9 @@ 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

Original file line number	Diff line number	Diff line change
`@@ -8949,7 +8949,9 @@ static void gfx_v10_0_ring_soft_recovery(struct amdgpu_ring *ring,`
`8949`	`8949`	`value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);`
`8950`	`8950`	`value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);`
`8951`	`8951`	`value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);`
	`8952`	`+ amdgpu_gfx_rlc_enter_safe_mode(adev, 0);`
`8952`	`8953`	`WREG32_SOC15(GC, 0, mmSQ_CMD, value);`
	`8954`	`+ amdgpu_gfx_rlc_exit_safe_mode(adev, 0);`
`8953`	`8955`	`}`
`8954`	`8956`
`8955`	`8957`	`static void`