diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2016-12-01 21:29:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-09 08:32:25 +0100 |
| commit | 6cb4179f97cf666639f2f11b40d45766bc1b4d85 (patch) | |
| tree | c3a18f595e6786c9249da7bd3255b13e1c001472 | |
| parent | 2037b1b46cdb2cb073b835473bd6c168929edbbd (diff) | |
drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
commit 22ca0d4991169b76e753d767a45f1105c356bbb8 upstream.
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: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161201202925.12220-3-hdegoede@redhat.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit b2b45fcd921e864a5e9bbc7aa55dee96d5e11c06)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index cd154ce6b6c1..34601574fc6e 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -296,7 +296,8 @@ 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); } |