Re: [PATCH v5 1/3] drm/i915/dsi: add support for sequence block v3 gpio for VLV

[Jani Nikula <jani.nikula@intel.com>]

On Tue, 26 Apr 2016, Daniel Vetter <daniel@ffwll.ch> wrote:
> On Tue, Apr 26, 2016 at 01:27:39PM +0300, Jani Nikula wrote:
>> Only support NC GPIOs for now, and assume the vlv gpio table only has NC
>> GPIOs for now.
>
> What is an "NC"? I think at least the commit message should explain that,
> maybe even the code ...

The specs refer to both North Complex and Cluster. I updated the commit
message while pushing... but somehow managed to write North Core in
there. *facepalm*. -EDECAF.

Anyway it's just geography, and CHV has intercardinal directions as
well.


BR,
Jani.


> -Daniel
>
>> 
>> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
>> ---
>>  drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> index c7281c391d0f..a1cc8533cff5 100644
>> --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> @@ -203,8 +203,8 @@ static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
>>  	map = &vlv_gpio_table[gpio_index];
>>  
>>  	if (dev_priv->vbt.dsi.seq_version >= 3) {
>> -		DRM_DEBUG_KMS("GPIO element v3 not supported\n");
>> -		return;
>> +		/* XXX: this assumes vlv_gpio_table only has NC GPIOs. */
>> +		port = IOSF_PORT_GPIO_NC;
>>  	} else {
>>  		if (gpio_source == 0) {
>>  			port = IOSF_PORT_GPIO_NC;
>> -- 
>> 2.1.4
>> 
>> _______________________________________________
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>> Intel-gfx@lists.freedesktop.org
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-- 
Jani Nikula, Intel Open Source Technology Center
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