Re: [PATCH v3 3/6] drm/i915/dsi: use a temp variable for referencing the gpio table

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On Thu, 07 Apr 2016, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Tue, Apr 05, 2016 at 10:30:51PM +0300, Jani Nikula wrote:
>> The shorthand is easier. Also change the struct name. No functional
>> changes.
>> 
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Pushed the first three to drm-intel-next-queued, with the fixme comment
restored in patch 2, thanks for the review.

BR,
Jani.



>
>> ---
>>  drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 15 +++++++++------
>>  1 file changed, 9 insertions(+), 6 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> index 6c2774ceb69f..ff0731420677 100644
>> --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> @@ -75,12 +75,12 @@ static inline struct vbt_panel *to_vbt_panel(struct drm_panel *panel)
>>  #define VLV_GPIO_PCONF0(base_offset)	(base_offset)
>>  #define VLV_GPIO_PAD_VAL(base_offset)	((base_offset) + 8)
>>  
>> -struct gpio_table {
>> +struct gpio_map {
>>  	u16 base_offset;
>>  	bool init;
>>  };
>>  
>> -static struct gpio_table vlv_gpio_table[] = {
>> +static struct gpio_map vlv_gpio_table[] = {
>>  	{ VLV_GPIO_NC_0_HV_DDI0_HPD },
>>  	{ VLV_GPIO_NC_1_HV_DDI0_DDC_SDA },
>>  	{ VLV_GPIO_NC_2_HV_DDI0_DDC_SCL },
>> @@ -190,6 +190,7 @@ static const u8 *mipi_exec_delay(struct intel_dsi *intel_dsi, const u8 *data)
>>  static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
>>  			  u8 gpio_source, u8 gpio_index, bool value)
>>  {
>> +	struct gpio_map *map;
>>  	u16 pconf0, padval;
>>  	u32 tmp;
>>  	u8 port;
>> @@ -199,6 +200,8 @@ static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
>>  		return;
>>  	}
>>  
>> +	map = &vlv_gpio_table[gpio_index];
>> +
>>  	if (dev_priv->vbt.dsi.seq_version >= 3) {
>>  		DRM_DEBUG_KMS("GPIO element v3 not supported\n");
>>  		return;
>> @@ -213,13 +216,13 @@ static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
>>  		}
>>  	}
>>  
>> -	pconf0 = VLV_GPIO_PCONF0(vlv_gpio_table[gpio_index].base_offset);
>> -	padval = VLV_GPIO_PAD_VAL(vlv_gpio_table[gpio_index].base_offset);
>> +	pconf0 = VLV_GPIO_PCONF0(map->base_offset);
>> +	padval = VLV_GPIO_PAD_VAL(map->base_offset);
>>  
>>  	mutex_lock(&dev_priv->sb_lock);
>> -	if (!vlv_gpio_table[gpio_index].init) {
>> +	if (!map->init) {
>>  		vlv_iosf_sb_write(dev_priv, port, pconf0, 0x2000CC00);
>> -		vlv_gpio_table[gpio_index].init = true;
>> +		map->init = true;
>>  	}
>>  
>>  	tmp = 0x4 | value;
>> -- 
>> 2.1.4

-- 
Jani Nikula, Intel Open Source Technology Center
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