On Mon, 09 Jan 2017, Vidya Srinivas <vidya.srinivas@xxxxxxxxx> wrote:
> From: Uma Shankar <uma.shankar@xxxxxxxxx>
>
> 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@xxxxxxxxx>
> ---
> 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
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