summaryrefslogtreecommitdiff
path: root/src/soc/intel
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/intel')
-rw-r--r--src/soc/intel/skylake/romstage/romstage.c33
1 files changed, 14 insertions, 19 deletions
diff --git a/src/soc/intel/skylake/romstage/romstage.c b/src/soc/intel/skylake/romstage/romstage.c
index 7410925a1f..9add1e688f 100644
--- a/src/soc/intel/skylake/romstage/romstage.c
+++ b/src/soc/intel/skylake/romstage/romstage.c
@@ -247,25 +247,20 @@ static void soc_primary_gfx_config_params(FSP_M_CONFIG *m_cfg,
const struct device *dev;
dev = pcidev_path_on_root(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;
- m_cfg->IgdDvmt50PreAlloc = 0;
- } else {
- m_cfg->InternalGfx = 1;
- /*
- * Set IGD stolen size to 64MB. The FBC hardware for skylake
- * does not have access to the bios_reserved range so it always
- * assumes 8MB is used and so the kernel will avoid the last
- * 8MB of the stolen window. With the default stolen size of
- * 32MB(-8MB) there is not enough space for FBC to work with
- * a high resolution panel
- */
- m_cfg->IgdDvmt50PreAlloc = 2;
- }
+ m_cfg->InternalGfx = dev && dev->enabled;
+
+ /*
+ * If iGPU is enabled, set IGD stolen size to 64MB. The FBC
+ * hardware for skylake does not have access to the bios
+ * reserved range so it always assumes 8MB is used and so the
+ * kernel will avoid the last 8MB of the stolen window. With
+ * the default stolen size of 32MB(-8MB) there is not enough
+ * space for FBC to work with a high resolution panel.
+ *
+ * If disabled, don't reserve memory for it.
+ */
+ m_cfg->IgdDvmt50PreAlloc = m_cfg->InternalGfx ? 2 : 0;
+
m_cfg->PrimaryDisplay = config->PrimaryDisplay;
}