Re: [PATCH v2] drm/i915/psr: enable PSR on Apple T2 eDP panels

[Lukas Wunner <lukas@wunner.de>]

On Mon, Sep 07, 2026 at 10:37:53AM +0200, Alexander Fischer wrote:
> @@ -286,6 +306,14 @@ static const struct intel_dpcd_quirk intel_dpcd_quirks[] = {
>  		.sink_oui = SINK_OUI(0x00, 0x22, 0xb9),
>  		.hook = quirk_disable_edp_panel_replay,
>  	},
> +	/* Apple T2 eDP panels */
> +	{
> +		.device = DEVICE_ID_ANY,
> +		.subsystem_vendor = PCI_ANY_ID,
> +		.subsystem_device = PCI_ANY_ID,
> +		.sink_oui = SINK_OUI(0x00, 0x10, 0xfa),
> +		.hook = quirk_apple_psr_handshake,
> +	},
>  };

Looking at lspci output of the MacBookPro16,2 and MacBookPro15,4,
I note that the integrated GPU has Subsystem Vendor 0x106b.
So you could use ".subsystem_vendor = PCI_VENDOR_ID_APPLE,"
to bail out early from the for-loop in intel_init_dpcd_quirks().

Thanks,

Lukas