linux-kernel - Re: [PATCH] x86/gpu: GLK uses the same GMS values as SKL

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Message-ID: <20170125072903.GA20432@gmail.com>
Date:   Wed, 25 Jan 2017 08:29:03 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Paulo Zanoni <paulo.r.zanoni@...el.com>
Cc:     intel-gfx@...ts.freedesktop.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, "H . Peter Anvin" <hpa@...or.com>,
        Ander Conselvan de Oliveira 
        <ander.conselvan.de.oliveira@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Dhinakaran Pandiyan <dhinakaran.pandiyan@...el.com>
Subject: Re: [PATCH] x86/gpu: GLK uses the same GMS values as SKL


* Paulo Zanoni <paulo.r.zanoni@...el.com> wrote:

> So don't forget to reserve its stolen memory bits.
> 
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@...el.com>
> Cc: x86@...nel.org
> Reviewed-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@...el.com>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@...el.com>
> ---
>  arch/x86/kernel/early-quirks.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> Found by code inspection. This is completely untested since I don't have
> GLK hardware.
> 
> diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
> index 6a08e25..23c4f1c 100644
> --- a/arch/x86/kernel/early-quirks.c
> +++ b/arch/x86/kernel/early-quirks.c
> @@ -526,6 +526,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
>  	INTEL_SKL_IDS(&gen9_early_ops),
>  	INTEL_BXT_IDS(&gen9_early_ops),
>  	INTEL_KBL_IDS(&gen9_early_ops),
> +	INTEL_GLK_IDS(&gen9_early_ops),
>  };

There's no INTEL_GLK_IDS() upstream - is there any dependency here on other 
changes to the i915 GPU driver?

Thanks,

	Ingo