[Intel-gfx] [PATCH 17/18] drm/i915/skl: Removed csr firmware load in resume path.

Sunil Kamath sunil.kamath at intel.com
Thu Jul 30 00:04:38 PDT 2015


On Wednesday 29 July 2015 04:40 PM, Sunil Kamath wrote:
> On Tuesday 28 July 2015 04:53 PM, Sunil Kamath wrote:
>> On Sunday 26 July 2015 12:30 AM, Animesh Manna wrote:
>>> As csr firmware is taking care of loading the firmware,
>>> so no need for driver to load again.
>>>
>>> Cc: Damien Lespiau <damien.lespiau at intel.com>
>>> Cc: Imre Deak <imre.deak at intel.com>
>>> Cc: Sunil Kamath <sunil.kamath at intel.com>
>>> Signed-off-by: Animesh Manna <animesh.manna at intel.com>
>>> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju at intel.com>
>>> ---
>>>   drivers/gpu/drm/i915/i915_drv.c | 1 -
>>>   1 file changed, 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/i915_drv.c 
>>> b/drivers/gpu/drm/i915/i915_drv.c
>>> index 77b35fd..f5e720b 100644
>>> --- a/drivers/gpu/drm/i915/i915_drv.c
>>> +++ b/drivers/gpu/drm/i915/i915_drv.c
>>> @@ -1048,7 +1048,6 @@ static int skl_resume_prepare(struct 
>>> drm_i915_private *dev_priv)
>>>           skl_disable_dc6(dev_priv);
>>>         skl_init_cdclk(dev_priv);
>>> -    intel_csr_load_program(dev_priv);
>>
>> The context save and restore program is reset on cold boot, warm 
>> reset, PCI function level reset, and hibernate/suspend.
>>
>> Will it not impact?
>>
>> - Sunil
>
> If the intention is just to check the DC5/DC6 counters, why cant we 
> just add debug prints before f/w reload? Than to just avoiding 
> reloading fw itself.
>
> - Sunil

Dont hurry on this patch.
Need to close on the above opens.

- Sunil
>>>         return 0;
>>>   }
>>
>



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