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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>,
	intel-gfx <intel-gfx@lists.freedesktop.org>,
	dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>,
	Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [PATCH 2/2] drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
Date: Tue, 29 Nov 2016 14:54:12 +0200	[thread overview]
Message-ID: <20161129125412.GO31595@intel.com> (raw)
In-Reply-To: <20161129123858.4225-2-hdegoede@redhat.com>

On Tue, Nov 29, 2016 at 01:38:58PM +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: Jani Nikula <jani.nikula@intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>  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));

Indeed.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org

>  	mutex_unlock(&dev_priv->sb_lock);
>  }
>  
> -- 
> 2.9.3

-- 
Ville Syrjälä
Intel OTC
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  reply	other threads:[~2016-11-29 12:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-29 12:38 [PATCH 1/2] drm/i915/dsi: Fix swapping of MIPI_SEQ_DEASSERT_RESET / MIPI_SEQ_ASSERT_RESET Hans de Goede
2016-11-29 12:38 ` [PATCH 2/2] drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting Hans de Goede
2016-11-29 12:54   ` Ville Syrjälä [this message]
2016-11-29 12:48 ` [PATCH 1/2] drm/i915/dsi: Fix swapping of MIPI_SEQ_DEASSERT_RESET / MIPI_SEQ_ASSERT_RESET Ville Syrjälä
2016-11-29 13:06   ` Hans de Goede
2016-11-29 14:06     ` Ville Syrjälä
2016-11-29 18:57       ` Ville Syrjälä
2016-11-30  9:19         ` Hans de Goede
2016-12-01 15:00     ` Hans de Goede

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