Good catch.
It will use default frequency in this case. But it is better to not
set DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP in this case.
I will add return value to intel_dp_aux_set_pwm_freq() and set
DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP based on that.
On Fri, May 26, 2017 at 5:49 AM, Jani Nikula
wrote:
On Tue, 23 May 2017, Puthikorn Voravootivat wrote:
> Read desired PWM frequency from panel vbt and calculate the
> value for divider in DPCD address 0x724 and 0x728 to have
> as many bits as possible for PWM duty cyle for granularity of
> brightness adjustment while the frequency divisor is still
Read desired PWM frequency from panel vbt and calculate the
value for divider in DPCD address 0x724 and 0x728 to have
as many bits as possible for PWM duty cyle for granularity of
brightness adjustment while the frequency divisor is still
within 25% of the desired value.
Signed-off-by: Puthikorn V
