linux-kernel - Re: [PATCH] drm/msm: remove python 3.9 dependency for compiling msm

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Date: Wed, 8 May 2024 09:52:31 -0700
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
To: Jani Nikula <jani.nikula@...ux.intel.com>,
        <freedreno@...ts.freedesktop.org>, Rob Clark <robdclark@...il.com>,
        "Dmitry
 Baryshkov" <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        "Marijn Suijten" <marijn.suijten@...ainline.org>,
        David Airlie
	<airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: <dri-devel@...ts.freedesktop.org>, <seanpaul@...omium.org>,
        <swboyd@...omium.org>, <quic_jesszhan@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Masahiro
 Yamada" <masahiroy@...nel.org>
Subject: Re: [PATCH] drm/msm: remove python 3.9 dependency for compiling msm



On 5/8/2024 1:43 AM, Jani Nikula wrote:
> On Tue, 07 May 2024, Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
>> Since commit 5acf49119630 ("drm/msm: import gen_header.py script from Mesa"),
>> compilation is broken on machines having python versions older than 3.9
>> due to dependency on argparse.BooleanOptionalAction.
> 
> Is it now okay to require Python for the build? Not listed in
> Documentation/process/changes.rst.
> 
> BR,
> Jani.
> 

The change to move gen_header.py to kernel is already part of the v6.10 
pull request.

This change only fixes the version dependency.

But, I agree we should update the changes.rst (better late than never).

Dmitry, can you pls suggest which version we want to list there?

I am hoping that after this change there are no further dependencies on 
python versions, so anything > EOL should be fine.

I am leaning towards v3.8

> 
> 
>>
>> Switch to use simple bool for the validate flag to remove the dependency.
>>
>> Fixes: 5acf49119630 ("drm/msm: import gen_header.py script from Mesa")
>> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
>> ---
>>   drivers/gpu/drm/msm/registers/gen_header.py | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/msm/registers/gen_header.py b/drivers/gpu/drm/msm/registers/gen_header.py
>> index fc3bfdc991d2..3926485bb197 100644
>> --- a/drivers/gpu/drm/msm/registers/gen_header.py
>> +++ b/drivers/gpu/drm/msm/registers/gen_header.py
>> @@ -538,7 +538,7 @@ class Parser(object):
>>   		self.variants.add(reg.domain)
>>   
>>   	def do_validate(self, schemafile):
>> -		if self.validate == False:
>> +		if not self.validate:
>>   			return
>>   
>>   		try:
>> @@ -948,7 +948,8 @@ def main():
>>   	parser = argparse.ArgumentParser()
>>   	parser.add_argument('--rnn', type=str, required=True)
>>   	parser.add_argument('--xml', type=str, required=True)
>> -	parser.add_argument('--validate', action=argparse.BooleanOptionalAction)
>> +	parser.add_argument('--validate', default=False, action='store_true')
>> +	parser.add_argument('--no-validate', dest='validate', action='store_false')
>>   
>>   	subparsers = parser.add_subparsers()
>>   	subparsers.required = True
>