1 files changed, 12 insertions, 0 deletions

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index b3cd3ebae077..96f958d8cd45 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -313,6 +313,16 @@ static size_t __init gen6_stolen_size(int num, int slot, int func)
         return gmch_ctrl << 25; /* 32 MB units */
 }
 
+static inline size_t gen8_stolen_size(int num, int slot, int func)
+{
+        u16 gmch_ctrl;
+
+        gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
+        gmch_ctrl >>= BDW_GMCH_GMS_SHIFT;
+        gmch_ctrl &= BDW_GMCH_GMS_MASK;
+        return gmch_ctrl << 25; /* 32 MB units */
+}
+
 typedef size_t (*stolen_size_fn)(int num, int slot, int func);
 
 static struct pci_device_id intel_stolen_ids[] __initdata = {
@@ -336,6 +346,8 @@ static struct pci_device_id intel_stolen_ids[] __initdata = {
         INTEL_IVB_D_IDS(gen6_stolen_size),
         INTEL_HSW_D_IDS(gen6_stolen_size),
         INTEL_HSW_M_IDS(gen6_stolen_size),
+        INTEL_BDW_M_IDS(gen8_stolen_size),
+        INTEL_BDW_D_IDS(gen8_stolen_size)
 };
 
 static void __init intel_graphics_stolen(int num, int slot, int func)