[Intel-gfx] [PATCH 02/18] x86/gpu: add ADL_S stolen memory support

[Lucas De Marchi]

On Wed, Oct 21, 2020 at 01:43:42PM -0700, Matt Roper wrote:
>On Wed, Oct 21, 2020 at 06:31:57AM -0700, Aditya Swarup wrote:
>> From: Caz Yokoyama <caz.yokoyama at intel.com>
>>
>> ADL_S re-uses the same stolen memory registers as TGL and ICL.
>>
>> Bspec: 52055
>> Bspec: 49589
>> Bspec: 49636
>>
>> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
>> Cc: Jani Nikula <jani.nikula at intel.com>
>> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>> Cc: Imre Deak <imre.deak at intel.com>
>> Signed-off-by: Caz Yokoyama <caz.yokoyama at intel.com>
>> Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
>
>I think you need to Cc the x86 maintainers on this patch and get their
>ack to merge it through the i915 tree.

Yeah, but make sure to mention the dependency on the first patch so they
don't try to apply and get a build error. See
https://lore.kernel.org/intel-gfx/alpine.DEB.2.21.1907170845470.1767@nanos.tec.linutronix.de/

Also see https://lore.kernel.org/intel-gfx/20200520093025.GD1457@zn.tnic/

For the patch itself,

Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

thanks
Lucas De Marchi

>
>
>Matt
>
>> ---
>>  arch/x86/kernel/early-quirks.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
>> index a4b5af03dcc1..6edd1e2ee8af 100644
>> --- a/arch/x86/kernel/early-quirks.c
>> +++ b/arch/x86/kernel/early-quirks.c
>> @@ -551,6 +551,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
>>  	INTEL_EHL_IDS(&gen11_early_ops),
>>  	INTEL_TGL_12_IDS(&gen11_early_ops),
>>  	INTEL_RKL_IDS(&gen11_early_ops),
>> +	INTEL_ADLS_IDS(&gen11_early_ops),
>>  };
>>
>>  struct resource intel_graphics_stolen_res __ro_after_init = DEFINE_RES_MEM(0, 0);
>> --
>> 2.27.0
>>
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>
>-- 
>Matt Roper
>Graphics Software Engineer
>VTT-OSGC Platform Enablement
>Intel Corporation
>(916) 356-2795