drm/i915/gvt: Enable the shadow batch buffer

Shadow batch buffer is used to shadow the privileged batch
buffer which is submitted by vGPU's workload. This patch is
used to unmark this functionality.

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index d26a092c70e8c8fe2a14df28dd22e4253f739a16..e4563984cb1e8106cda73e8d0e12f12d10f6a1d2 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -481,7 +481,6 @@ struct parser_exec_state {
        (s->vgpu->gvt->device_info.gmadr_bytes_in_cmd >> 2)
 
 static unsigned long bypass_scan_mask = 0;
-static bool bypass_batch_buffer_scan = true;
 
 /* ring ALL, type = 0 */
 static struct sub_op_bits sub_op_mi[] = {
@@ -1525,9 +1524,6 @@ static int batch_buffer_needs_scan(struct parser_exec_state *s)
 {
        struct intel_gvt *gvt = s->vgpu->gvt;
 
-       if (bypass_batch_buffer_scan)
-               return 0;
-
        if (IS_BROADWELL(gvt->dev_priv) || IS_SKYLAKE(gvt->dev_priv)) {
                /* BDW decides privilege based on address space */
                if (cmd_val(s, 0) & (1 << 8))