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Commit 58c744da authored by Tina Zhang's avatar Tina Zhang Committed by Zhenyu Wang
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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: default avatarTina Zhang <tina.zhang@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent c34eaa8d

drivers/gpu/drm/i915/gvt/cmd_parser.c

+0 −4
Original line number Diff line number Diff line
@@ -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))