On Wed, 26 Feb 2014, Ville Syrjälä <ville.syrj...@linux.intel.com> wrote:
> On Tue, Feb 25, 2014 at 01:11:47PM +0200, Jani Nikula wrote:
>> i915gm and i945gm also seem to use and need the legacy combination mode
>> bit in BLC_PWM_CTL.
>> 
>> v2: Also do this for i915gm (Ville).
>> 
>> Reported-and-tested-by: Luis Ortega <luior...@gmail.com>
>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75001
>> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
>
> Looks sane enough for me.
>
> Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>

Pushed to -fixes, thanks for the review.

Jani.


>
>> ---
>>  drivers/gpu/drm/i915/intel_panel.c |    4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/intel_panel.c 
>> b/drivers/gpu/drm/i915/intel_panel.c
>> index 5bc3f6ea1014..cb058408c70e 100644
>> --- a/drivers/gpu/drm/i915/intel_panel.c
>> +++ b/drivers/gpu/drm/i915/intel_panel.c
>> @@ -689,7 +689,7 @@ static void i9xx_enable_backlight(struct intel_connector 
>> *connector)
>>              freq /= 0xff;
>>  
>>      ctl = freq << 17;
>> -    if (IS_GEN2(dev) && panel->backlight.combination_mode)
>> +    if (panel->backlight.combination_mode)
>>              ctl |= BLM_LEGACY_MODE;
>>      if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm)
>>              ctl |= BLM_POLARITY_PNV;
>> @@ -970,7 +970,7 @@ static int i9xx_setup_backlight(struct intel_connector 
>> *connector)
>>  
>>      ctl = I915_READ(BLC_PWM_CTL);
>>  
>> -    if (IS_GEN2(dev))
>> +    if (IS_GEN2(dev) || IS_I915GM(dev) || IS_I945GM(dev))
>>              panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE;
>>  
>>      if (IS_PINEVIEW(dev))
>> -- 
>> 1.7.9.5
>
> -- 
> Ville Syrjälä
> Intel OTC

-- 
Jani Nikula, Intel Open Source Technology Center
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