drm/amdgpu/gfx11: use rlc safe mode for soft recovery

alexdeucher · alexdeucher · commit 3f2d35c32553 · 2024-09-02T11:41:38.000-04:00
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_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -6091,7 +6091,9 @@ 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

Original file line number	Diff line number	Diff line change
`@@ -6091,7 +6091,9 @@ static void gfx_v11_0_ring_soft_recovery(struct amdgpu_ring *ring,`
`6091`	`6091`	`value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);`
`6092`	`6092`	`value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);`
`6093`	`6093`	`value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);`
	`6094`	`+ amdgpu_gfx_rlc_enter_safe_mode(adev, 0);`
`6094`	`6095`	`WREG32_SOC15(GC, 0, regSQ_CMD, value);`
	`6096`	`+ amdgpu_gfx_rlc_exit_safe_mode(adev, 0);`
`6095`	`6097`	`}`
`6096`	`6098`
`6097`	`6099`	`static void`