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-rw-r--r--src/soc/intel/skylake/chip.h8
-rw-r--r--src/soc/intel/skylake/romstage/romstage_fsp20.c25
2 files changed, 32 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index a8ee064c19..f87a8116e6 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -311,7 +311,13 @@ struct soc_intel_skylake_config {
/* Gfx related */
u8 IgdDvmt50PreAlloc;
- u8 PrimaryDisplay;
+ enum {
+ Display_iGFX,
+ Display_PEG,
+ Display_PCH_PCIe,
+ Display_Auto,
+ Display_Switchable,
+ } PrimaryDisplay;
u8 InternalGfx;
u8 ApertureSize;
u8 SkipExtGfxScan;
diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c
index 43ba9c9c6f..b65c9ff935 100644
--- a/src/soc/intel/skylake/romstage/romstage_fsp20.c
+++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c
@@ -243,6 +243,28 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
}
}
+static void soc_primary_gfx_config_params(FSP_M_CONFIG *m_cfg,
+ const struct soc_intel_skylake_config *config)
+{
+ const struct device *dev;
+
+ dev = dev_find_slot(0, SA_DEVFN_IGD);
+ if (!dev || !dev->enabled) {
+ /*
+ * If iGPU is disabled or not defined in the devicetree.cb,
+ * the FSP does not initialize this device
+ */
+ m_cfg->InternalGfx = 0;
+ if (config->PrimaryDisplay == Display_iGFX)
+ m_cfg->PrimaryDisplay = Display_Auto;
+ else
+ m_cfg->PrimaryDisplay = config->PrimaryDisplay;
+ } else {
+ m_cfg->InternalGfx = 1;
+ m_cfg->PrimaryDisplay = config->PrimaryDisplay;
+ }
+}
+
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
{
const struct device *dev;
@@ -274,6 +296,9 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
/* Enable SMBus controller based on config */
m_cfg->SmbusEnable = config->SmbusEnable;
+ /* Set primary graphic device */
+ soc_primary_gfx_config_params(m_cfg, config);
+
mainboard_memory_init_params(mupd);
}