diff mbox

[v2,2/2] drm/i915/bios: reduce the scope of some local variables in parse_ddi_port()

Message ID 20180411131519.9091-2-jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jani Nikula April 11, 2018, 1:15 p.m. UTC
No functional changes.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Comments

Chris Wilson April 11, 2018, 1:17 p.m. UTC | #1
Quoting Jani Nikula (2018-04-11 14:15:19)
> No functional changes.
> 
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_bios.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index 447b721c3be9..036307af8419 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -1215,10 +1215,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>  {
>         struct child_device_config *it, *child = NULL;
>         struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port];
> -       uint8_t hdmi_level_shift;
>         int i, j;
>         bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
> -       uint8_t aux_channel, ddc_pin;
>         /* Each DDI port can have more than one value on the "DVO Port" field,
>          * so look for all the possible values for each port.
>          */
> @@ -1255,8 +1253,6 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>         if (!child)
>                 return;
>  
> -       aux_channel = child->aux_channel;
> -
>         is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING;
>         is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT;
>         is_crt = child->device_type & DEVICE_TYPE_ANALOG_OUTPUT;
> @@ -1302,6 +1298,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>                 DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port));
>  
>         if (is_dvi) {
> +               u8 ddc_pin;
> +
>                 ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin);
>                 if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) {
>                         info->alternate_ddc_pin = ddc_pin;
> @@ -1314,14 +1312,14 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>         }
>  
>         if (is_dp) {
> -               info->alternate_aux_channel = aux_channel;
> +               info->alternate_aux_channel = child->aux_channel;
>  
>                 sanitize_aux_ch(dev_priv, port);
>         }
>  
>         if (bdb_version >= 158) {
>                 /* The VBT HDMI level shift values match the table we have. */
> -               hdmi_level_shift = child->hdmi_level_shifter_value;
> +               u8 hdmi_level_shift = child->hdmi_level_shifter_value;

checkpatch will ask for a \n,

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris
Jani Nikula April 12, 2018, 9:29 a.m. UTC | #2
On Wed, 11 Apr 2018, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> Quoting Jani Nikula (2018-04-11 14:15:19)
>> No functional changes.
>> 
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
>> ---
>>  drivers/gpu/drm/i915/intel_bios.c | 10 ++++------
>>  1 file changed, 4 insertions(+), 6 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
>> index 447b721c3be9..036307af8419 100644
>> --- a/drivers/gpu/drm/i915/intel_bios.c
>> +++ b/drivers/gpu/drm/i915/intel_bios.c
>> @@ -1215,10 +1215,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>>  {
>>         struct child_device_config *it, *child = NULL;
>>         struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port];
>> -       uint8_t hdmi_level_shift;
>>         int i, j;
>>         bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
>> -       uint8_t aux_channel, ddc_pin;
>>         /* Each DDI port can have more than one value on the "DVO Port" field,
>>          * so look for all the possible values for each port.
>>          */
>> @@ -1255,8 +1253,6 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>>         if (!child)
>>                 return;
>>  
>> -       aux_channel = child->aux_channel;
>> -
>>         is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING;
>>         is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT;
>>         is_crt = child->device_type & DEVICE_TYPE_ANALOG_OUTPUT;
>> @@ -1302,6 +1298,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>>                 DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port));
>>  
>>         if (is_dvi) {
>> +               u8 ddc_pin;
>> +
>>                 ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin);
>>                 if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) {
>>                         info->alternate_ddc_pin = ddc_pin;
>> @@ -1314,14 +1312,14 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
>>         }
>>  
>>         if (is_dp) {
>> -               info->alternate_aux_channel = aux_channel;
>> +               info->alternate_aux_channel = child->aux_channel;
>>  
>>                 sanitize_aux_ch(dev_priv, port);
>>         }
>>  
>>         if (bdb_version >= 158) {
>>                 /* The VBT HDMI level shift values match the table we have. */
>> -               hdmi_level_shift = child->hdmi_level_shifter_value;
>> +               u8 hdmi_level_shift = child->hdmi_level_shifter_value;
>
> checkpatch will ask for a \n,

Happily not, pushed as-is, thanks for the review.

BR,
Jani.



>
> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
> -Chris
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 447b721c3be9..036307af8419 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1215,10 +1215,8 @@  static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 {
 	struct child_device_config *it, *child = NULL;
 	struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port];
-	uint8_t hdmi_level_shift;
 	int i, j;
 	bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
-	uint8_t aux_channel, ddc_pin;
 	/* Each DDI port can have more than one value on the "DVO Port" field,
 	 * so look for all the possible values for each port.
 	 */
@@ -1255,8 +1253,6 @@  static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 	if (!child)
 		return;
 
-	aux_channel = child->aux_channel;
-
 	is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING;
 	is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT;
 	is_crt = child->device_type & DEVICE_TYPE_ANALOG_OUTPUT;
@@ -1302,6 +1298,8 @@  static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 		DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port));
 
 	if (is_dvi) {
+		u8 ddc_pin;
+
 		ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin);
 		if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) {
 			info->alternate_ddc_pin = ddc_pin;
@@ -1314,14 +1312,14 @@  static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 	}
 
 	if (is_dp) {
-		info->alternate_aux_channel = aux_channel;
+		info->alternate_aux_channel = child->aux_channel;
 
 		sanitize_aux_ch(dev_priv, port);
 	}
 
 	if (bdb_version >= 158) {
 		/* The VBT HDMI level shift values match the table we have. */
-		hdmi_level_shift = child->hdmi_level_shifter_value;
+		u8 hdmi_level_shift = child->hdmi_level_shifter_value;
 		DRM_DEBUG_KMS("VBT HDMI level shift for port %c: %d\n",
 			      port_name(port),
 			      hdmi_level_shift);