Commit 22ca0d49 authored by Hans de Goede's avatar Hans de Goede Committed by Jani Nikula

drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting

Set the CHV_GPIO_GPIOEN bit when updating GPIOs from chv_exec_gpio.

Fixes: a0a6d4ff ("drm/i915/dsi: add support for gpio elements on CHV")
Cc: stable@vger.kernel.org
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161201202925.12220-3-hdegoede@redhat.comSigned-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit b2b45fcd)
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 25e23bc5
...@@ -300,7 +300,8 @@ static void chv_exec_gpio(struct drm_i915_private *dev_priv, ...@@ -300,7 +300,8 @@ static void chv_exec_gpio(struct drm_i915_private *dev_priv,
mutex_lock(&dev_priv->sb_lock); mutex_lock(&dev_priv->sb_lock);
vlv_iosf_sb_write(dev_priv, port, cfg1, 0); vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
vlv_iosf_sb_write(dev_priv, port, cfg0, 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); mutex_unlock(&dev_priv->sb_lock);
} }
......
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