[Intel-gfx] [PATCH 01/14] drm/i915: Check for platform specific GPIO config

[Jani Nikula]

On Mon, 09 Jan 2017, Vidya Srinivas <vidya.srinivas at intel.com> wrote:
> From: Uma Shankar <uma.shankar at intel.com>
>
> Panel GPIO control should be done based on platform. Add a check
> to restrict VLV and CHT specific GPIO confirguration, so that
> they dont apply to other platforms.

There are no code paths that would have
dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC on platforms other
than VLV/CVH.

BR,
Jani.

>
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dsi.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 16732e7..27d8f95 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -1560,7 +1560,8 @@ void intel_dsi_init(struct drm_i915_private *dev_priv)
>  	 * In case of BYT with CRC PMIC, we need to use GPIO for
>  	 * Panel control.
>  	 */
> -	if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {
> +	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
> +		(dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC)) {
>  		intel_dsi->gpio_panel =
>  			gpiod_get(dev->dev, "panel", GPIOD_OUT_HIGH);

-- 
Jani Nikula, Intel Open Source Technology Center