On Fri, 24 Jan 2020, Matt Roper <[email protected]> wrote:
> On Fri, Jan 24, 2020 at 03:25:26PM +0200, Jani Nikula wrote:
>> @@ -151,20 +151,20 @@ static void cnl_combo_phys_init(struct 
>> drm_i915_private *dev_priv)
>>  {
>>      u32 val;
>>  
>> -    val = I915_READ(CHICKEN_MISC_2);
>> +    val = intel_de_read(dev_priv, CHICKEN_MISC_2);
>>      val &= ~CNL_COMP_PWR_DOWN;
>> -    I915_WRITE(CHICKEN_MISC_2, val);
>> +    intel_de_write(dev_priv, CHICKEN_MISC_2, val);
>>  
>>      /* Dummy PORT_A to get the correct CNL register from the ICL macro */
>>      cnl_set_procmon_ref_values(dev_priv, PHY_A);
>>  
>> -    val = I915_READ(CNL_PORT_COMP_DW0);
>> +    val = intel_de_read(dev_priv, CNL_PORT_COMP_DW0);
>>      val |= COMP_INIT;
>> -    I915_WRITE(CNL_PORT_COMP_DW0, val);
>> +    intel_de_write(dev_priv, CNL_PORT_COMP_DW0, val);
>
> Drive by comment...could some fancier coccinelle usage change these to
> intel_de_rmw() instead?  We have a lot of rmw behavior for PHY
> registers, and I believe some for pre-ilk watermarks and clock gating
> workarounds in intel_pm.c too.

I decided I wanted to get these merged, as folks seemed to agree with
the approach. The fancy cocci would take a while to figure out. But I'll
look into it as a follow-up.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center
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