Re: [PATCH v9 4/5] drm: Add definition for eDP backlight frequency

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On Wed, 24 May 2017, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Tue, 23 May 2017, Puthikorn Voravootivat <puthik@xxxxxxxxxxxx> wrote:
>> This patch adds the following definition
>> - Bit mask for EDP_PWMGEN_BIT_COUNT and min/max cap
>>   register which only use bit 0:4
>> - Base frequency (27 MHz) for backlight PWM frequency
>>   generator.
>>
>> Signed-off-by: Puthikorn Voravootivat <puthik@xxxxxxxxxxxx>
>> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
>> ---
>>  include/drm/drm_dp_helper.h | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
>> index c0bd0d7651a9..eaa307f6ae8c 100644
>> --- a/include/drm/drm_dp_helper.h
>> +++ b/include/drm/drm_dp_helper.h
>> @@ -572,10 +572,12 @@
>>  #define DP_EDP_PWMGEN_BIT_COUNT             0x724
>>  #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN     0x725
>>  #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX     0x726
>> +# define  DP_EDP_PWMGEN_BIT_COUNT_MASK      (0x1f << 0)
>            ^^
>
> Extra space crept in.

Fixed that while applying to drm-intel-next-queued, thanks for the
patch. Pushed via drm-intel with Dave's IRC ack to not require a
backmerge for the subsequent patches.

BR,
Jani.


>
> BR,
> Jani.
>
>>  
>>  #define DP_EDP_BACKLIGHT_CONTROL_STATUS     0x727
>>  
>>  #define DP_EDP_BACKLIGHT_FREQ_SET           0x728
>> +# define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ     27000
>>  
>>  #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB   0x72a
>>  #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID   0x72b

-- 
Jani Nikula, Intel Open Source Technology Center
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