Re: [Intel-gfx] [PATCH] drm/i915: Check for nomodeset in i915_init() first

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 19/07/2021 10:09, Tvrtko Ursulin wrote:
> 
> On 19/07/2021 09:35, Daniel Vetter wrote:
>> Jason is trying to sort out the unwinding in i915_init and i915_exit,
>> while reviewing those patches I noticed that we also have the
>> nomodeset handling now in the middle of things.
>>
>> Pull that out for simplisity in unwinding - if you run selftest with
>> nomodeset you get nothing, *shrug*.
> 
> Where "nothing" equals success!? Quite bad for platform bringup on two 
> levels.

Sorry I confused it with i915.disable_display. I am not aware nomodeset 
is actually used anywhere useful so my objection does not hold.

Regards,

Tvrtko


> Regards,
> 
> Tvrtko
> 
>> Cc: Jason Ekstrand <jason@jlekstrand.net>
>> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_pci.c | 16 ++++++++--------
>>   1 file changed, 8 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_pci.c 
>> b/drivers/gpu/drm/i915/i915_pci.c
>> index 67696d752271..6fe709ac1b4b 100644
>> --- a/drivers/gpu/drm/i915/i915_pci.c
>> +++ b/drivers/gpu/drm/i915/i915_pci.c
>> @@ -1199,14 +1199,6 @@ static int __init i915_init(void)
>>       bool use_kms = true;
>>       int err;
>> -    err = i915_globals_init();
>> -    if (err)
>> -        return err;
>> -
>> -    err = i915_mock_selftests();
>> -    if (err)
>> -        return err > 0 ? 0 : err;
>> -
>>       /*
>>        * Enable KMS by default, unless explicitly overriden by
>>        * either the i915.modeset prarameter or by the
>> @@ -1225,6 +1217,14 @@ static int __init i915_init(void)
>>           return 0;
>>       }
>> +    err = i915_globals_init();
>> +    if (err)
>> +        return err;
>> +
>> +    err = i915_mock_selftests();
>> +    if (err)
>> +        return err > 0 ? 0 : err;
>> +
>>       i915_pmu_init();
>>       err = pci_register_driver(&i915_pci_driver);
>>
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