diff options
Diffstat (limited to 'src/soc/intel/skylake/romstage/systemagent.c')
| -rw-r--r-- | src/soc/intel/skylake/romstage/systemagent.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/soc/intel/skylake/romstage/systemagent.c b/src/soc/intel/skylake/romstage/systemagent.c index 00a2782723..71a9bee1e0 100644 --- a/src/soc/intel/skylake/romstage/systemagent.c +++ b/src/soc/intel/skylake/romstage/systemagent.c @@ -26,11 +26,12 @@ static void systemagent_vtd_init(void) { - const struct device *const dev = dev_find_slot(0, SA_DEVFN_ROOT); + const struct device *const root_dev = dev_find_slot(0, SA_DEVFN_ROOT); + const struct device *const igd_dev = dev_find_slot(0, SA_DEVFN_IGD); const struct soc_intel_skylake_config *config = NULL; - if (dev) - config = dev->chip_info; + if (root_dev) + config = root_dev->chip_info; if (config && config->ignore_vtd) return; @@ -39,7 +40,10 @@ static void systemagent_vtd_init(void) if (!vtd_capable) return; - sa_set_mch_bar(soc_vtd_resources, ARRAY_SIZE(soc_vtd_resources)); + if (igd_dev && igd_dev->enabled) + sa_set_mch_bar(&soc_gfxvt_mmio_descriptor, 1); + + sa_set_mch_bar(&soc_vtvc0_mmio_descriptor, 1); } void systemagent_early_init(void) |