On Thu, Dec 01, 2016 at 09:29:09PM +0100, Hans de Goede wrote:
> Set the CHV_GPIO_GPIOEN bit when updating GPIOs from chv_exec_gpio.
>
> Fixes: a0a6d4ffd2ad ("drm/i915/dsi: add support for gpio elements on CHV")
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Pushed to dinq. Thanks for the patch.
> ---
> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> index 579d2f5..47cd1b2 100644
> --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> @@ -300,7 +300,8 @@ static void chv_exec_gpio(struct drm_i915_private *dev_priv,
> mutex_lock(&dev_priv->sb_lock);
> vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
> vlv_iosf_sb_write(dev_priv, port, cfg0,
> - CHV_GPIO_GPIOCFG_GPO | CHV_GPIO_GPIOTXSTATE(value));
> + CHV_GPIO_GPIOEN | CHV_GPIO_GPIOCFG_GPO |
> + CHV_GPIO_GPIOTXSTATE(value));
> mutex_unlock(&dev_priv->sb_lock);
> }
>
> --
> 2.9.3
--
Ville Syrjälä
Intel OTC
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