diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/early-quirks.c | 12 |
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) |