diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/cmd_parser.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 0084ece8d8ff..d26a092c70e8 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1418,8 +1418,8 @@ static int cmd_handler_mi_op_2e(struct parser_exec_state *s) static int cmd_handler_mi_op_2f(struct parser_exec_state *s) { int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd; - int op_size = ((1 << (cmd_val(s, 0) & GENMASK(20, 19) >> 19)) * - sizeof(u32)); + int op_size = (1 << ((cmd_val(s, 0) & GENMASK(20, 19)) >> 19)) * + sizeof(u32); unsigned long gma, gma_high; int ret = 0; @@ -2537,7 +2537,8 @@ static int scan_workload(struct intel_vgpu_workload *workload) s.rb_va = workload->shadow_ring_buffer_va; s.workload = workload; - if (bypass_scan_mask & (1 << workload->ring_id)) + if ((bypass_scan_mask & (1 << workload->ring_id)) || + gma_head == gma_tail) return 0; ret = ip_gma_set(&s, gma_head); |