drm/amdgpu: remove pasid_src field from IV entry

PASID_SRC is not actually present in the Interrupt Packet, the field is
taken as reserved bits now. So remove it from IV entry to avoid misuse.
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c

@@ -271,7 +271,6 @@ void amdgpu_ih_decode_iv_helper(struct amdgpu_device *adev,
 	entry->timestamp_src = dw[2] >> 31;
 	entry->pasid = dw[3] & 0xffff;
 	entry->node_id = (dw[3] >> 16) & 0xff;
-	entry->pasid_src = dw[3] >> 31;
 	entry->src_data[0] = dw[4];
 	entry->src_data[1] = dw[5];
 	entry->src_data[2] = dw[6];

drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h

@@ -54,7 +54,6 @@ struct amdgpu_iv_entry {
 	unsigned timestamp_src;
 	unsigned pasid;
 	unsigned node_id;
-	unsigned pasid_src;
 	unsigned src_data[AMDGPU_IRQ_SRC_DATA_MAX_SIZE_DW];
 	const uint32_t *iv_entry;
 };