diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/cmd_parser.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index ab002cfd3cab..de5347725564 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -896,12 +896,16 @@ static int cmd_reg_handler(struct parser_exec_state *s, } /* TODO - * Right now only scan LRI command on KBL and in inhibit context. - * It's good enough to support initializing mmio by lri command in - * vgpu inhibit context on KBL. + * In order to let workload with inhibit context to generate + * correct image data into memory, vregs values will be loaded to + * hw via LRIs in the workload with inhibit context. But as + * indirect context is loaded prior to LRIs in workload, we don't + * want reg values specified in indirect context overwritten by + * LRIs in workloads. So, when scanning an indirect context, we + * update reg values in it into vregs, so LRIs in workload with + * inhibit context will restore with correct values */ - if ((IS_KABYLAKE(s->vgpu->gvt->dev_priv) - || IS_COFFEELAKE(s->vgpu->gvt->dev_priv)) && + if (IS_GEN(gvt->dev_priv, 9) && intel_gvt_mmio_is_in_ctx(gvt, offset) && !strncmp(cmd, "lri", 3)) { intel_gvt_hypervisor_read_gpa(s->vgpu, @@ -2526,7 +2530,7 @@ static const struct cmd_info cmd_info[] = { 0, 12, NULL}, {"VEB_DI_IECP", OP_VEB_DNDI_IECP_STATE, F_LEN_VAR, R_VECS, D_BDW_PLUS, - 0, 20, NULL}, + 0, 12, NULL}, }; static void add_cmd_entry(struct intel_gvt *gvt, struct cmd_entry *e) |