Re: [PATCH 1/4] drm/i915/dpll: drop a useless I915_STATE_WARN_ON()

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On Fri, 12 May 2023, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxxx> wrote:
> On Fri, May 12, 2023 at 02:04:41PM +0300, Jani Nikula wrote:
>> In general, we don't do assertions that a function gets called on the
>> right platforms, and if we did, it should not be a state warn.
>> 
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Thanks for the review, pushed to din.

BR,
Jani.


>> ---
>>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 2 --
>>  1 file changed, 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
>> index ed372d227aa7..936b8de9e439 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
>> @@ -464,8 +464,6 @@ static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
>>  	u32 val;
>>  	bool enabled;
>>  
>> -	I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv)));
>> -
>>  	val = intel_de_read(dev_priv, PCH_DREF_CONTROL);
>>  	enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK |
>>  			    DREF_SUPERSPREAD_SOURCE_MASK));
>> -- 
>> 2.39.2
>> 

-- 
Jani Nikula, Intel Open Source Graphics Center



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