[Intel-gfx] [PATCH 01/11] drm/i915: Fix VBT backlight Hz to PWM conversion for PNV

[Jani Nikula]

On Mon, 30 Nov 2015, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Convert the MHz number coming from intel_rawclk() into Hz in
> i9xx_hz_to_pwm() on PNV. Otherwise we'll get something totally
> bogus as a result.
>
> Fixes: aa17cdb4f836 ("drm/i915: initialize backlight max from VBT")
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_panel.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index a24df35e11e7..ea528ca854e8 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -1335,7 +1335,7 @@ static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
>  	int clock;
>  
>  	if (IS_PINEVIEW(dev))
> -		clock = intel_hrawclk(dev);
> +		clock = MHz(intel_hrawclk(dev));
>  	else
>  		clock = 1000 * dev_priv->display.get_display_clock_speed(dev);

-- 
Jani Nikula, Intel Open Source Technology Center