[PATCH] drm: fixes when i2c encoder slave mode_fixup is null.

[Carlos Palminha]

thanks daniel.

I'll check all i2c slave encoders and submit a patch set.

On 10-02-2016 12:25, Daniel Vetter wrote:
> On Wed, Feb 10, 2016 at 12:08:38PM +0000, Carlos Palminha wrote:
>> Avoid i2c slave encoder drivers to copy/paste code to implement functions that will
>> only return true.
>>
>> Signed-off-by: Carlos Palminha <palminha at synopsys.com>
>
> lgtm, applied to drm-misc. sil164_drv.c seems to have a dummy mode_fixup
> function that's now uneeded. Can you pls follow up with a patch to remove
> that one?
>
> Thanks, Daniel
>
>> ---
>>   drivers/gpu/drm/drm_encoder_slave.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
>> index e862907..418b94c 100644
>> --- a/drivers/gpu/drm/drm_encoder_slave.c
>> +++ b/drivers/gpu/drm/drm_encoder_slave.c
>> @@ -140,6 +140,8 @@ bool drm_i2c_encoder_mode_fixup(struct drm_encoder *encoder,
>>   		const struct drm_display_mode *mode,
>>   		struct drm_display_mode *adjusted_mode)
>>   {
>> +	if(!get_slave_funcs(encoder)->mode_fixup)
>> +		return true;
>>   	return get_slave_funcs(encoder)->mode_fixup(encoder, mode, adjusted_mode);
>>   }
>>   EXPORT_SYMBOL(drm_i2c_encoder_mode_fixup);
>> --
>> 2.5.0
>>
>