Re: [PATCH v2 1/2] drm/i915: Fix DP_AUX_CH_CTL_TIME_OUT naming

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On Thu, 12 Oct 2017, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> On Thu, Oct 12, 2017 at 09:30:36PM +0000, James Ausmus wrote:
>> Rename DP_AUX_CH_CTL_TIME_OUT_1600us to DP_AUX_CH_CTL_TIME_OUT_MAX, as
>> the meaning of the (3 << 26) value varies per platform, but it's always the
>> maximum timeout for that platform. Pre-CNL it means 1600us, and for CNL
>> it means 3200us.
>> 
>> v2:
>> -Split in to two patches (Rodrigo)
>> 
>> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>> Signed-off-by: James Ausmus <james.ausmus@xxxxxxxxx>
>
> you could've added the rv-b already: ;)
>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Pushed both as the CI results arrived in my time zone, thanks for the
patches and review.

BR,
Jani.

>
>> ---
>>  drivers/gpu/drm/i915/i915_reg.h | 2 +-
>>  drivers/gpu/drm/i915/intel_dp.c | 2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>> index d2d0a83c09b6..5f99d4d6291b 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -5242,7 +5242,7 @@ enum {
>>  #define   DP_AUX_CH_CTL_TIME_OUT_400us	    (0 << 26)
>>  #define   DP_AUX_CH_CTL_TIME_OUT_600us	    (1 << 26)
>>  #define   DP_AUX_CH_CTL_TIME_OUT_800us	    (2 << 26)
>> -#define   DP_AUX_CH_CTL_TIME_OUT_1600us	    (3 << 26)
>> +#define   DP_AUX_CH_CTL_TIME_OUT_MAX	    (3 << 26) /* Varies per platform */
>>  #define   DP_AUX_CH_CTL_TIME_OUT_MASK	    (3 << 26)
>>  #define   DP_AUX_CH_CTL_RECEIVE_ERROR	    (1 << 25)
>>  #define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
>> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>> index 753404280a19..3f0d37fa833f 100644
>> --- a/drivers/gpu/drm/i915/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/intel_dp.c
>> @@ -1032,7 +1032,7 @@ static uint32_t skl_get_aux_send_ctl(struct intel_dp *intel_dp,
>>  	       DP_AUX_CH_CTL_DONE |
>>  	       (has_aux_irq ? DP_AUX_CH_CTL_INTERRUPT : 0) |
>>  	       DP_AUX_CH_CTL_TIME_OUT_ERROR |
>> -	       DP_AUX_CH_CTL_TIME_OUT_1600us |
>> +	       DP_AUX_CH_CTL_TIME_OUT_MAX |
>>  	       DP_AUX_CH_CTL_RECEIVE_ERROR |
>>  	       (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
>>  	       DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |
>> -- 
>> 2.14.1
>> 

-- 
Jani Nikula, Intel Open Source Technology Center
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