On Tue, Dec 05, 2017 at 09:02:43PM +0000, Matthew Auld wrote:
> Makes things a little easier to follow.
>
> Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> arch/x86/kernel/early-quirks.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
> index b5b912f3dce8..ba6e96381bfc 100644
> --- a/arch/x86/kernel/early-quirks.c
> +++ b/arch/x86/kernel/early-quirks.c
> @@ -425,12 +425,12 @@ static resource_size_t __init chv_stolen_size(int num, int slot, int func)
> * 0x11 to 0x16: 4MB increments starting at 8MB
> * 0x17 to 0x1d: 4MB increments start at 36MB
> */
> - if (gms < 0x11)
> - return gms * MB(32);
> - else if (gms < 0x17)
> + if (gms >= 0x17)
> + return (gms - 0x17) * MB(4) + MB(36);
> + else if (gms >= 0x11)
> return (gms - 0x11) * MB(4) + MB(8);
> else
> - return (gms - 0x17) * MB(4) + MB(36);
> + return gms * MB(32);
> }
>
> static resource_size_t __init gen9_stolen_size(int num, int slot, int func)
> @@ -443,10 +443,10 @@ static resource_size_t __init gen9_stolen_size(int num, int slot, int func)
>
> /* 0x0 to 0xef: 32MB increments starting at 0MB */
> /* 0xf0 to 0xfe: 4MB increments starting at 4MB */
> - if (gms < 0xf0)
> - return gms * MB(32);
> - else
> + if (gms >= 0xf0)
> return (gms - 0xf0) * MB(4) + MB(4);
> + else
> + return gms * MB(32);
> }
>
> struct intel_early_ops {
> --
> 2.14.3
--
Ville Syrjälä
Intel OTC
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