[Intel-gfx] [PATCH 2/4] drm/i915: DSI sequence related changes for DSI Port C

[Jani Nikula]

On Tue, 09 Dec 2014, "Singh, Gaurav K" <gaurav.k.singh at intel.com> wrote:
> On 12/7/2014 4:13 PM, Gaurav K Singh wrote:
>> For DSI Port A & C, the seq_port value has been set to 0 now in VBT
>> Now  the sequence of DSI single link on Port A and Port C will based
>> on the DVO port from VBT block 2.
>>
>> Signed-off-by: Gaurav K Singh <gaurav.k.singh at intel.com>
>> ---
>>   drivers/gpu/drm/i915/intel_dsi_panel_vbt.c |    9 ++++++++-
>>   1 file changed, 8 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 f8c2269..e7e2e52 100644
>> --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
>> @@ -110,7 +110,14 @@ static u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi, u8 *data)
>>   	vc = (byte >> MIPI_VIRTUAL_CHANNEL_SHIFT) & 0x3;
>>   	seq_port = (byte >> MIPI_PORT_SHIFT) & 0x3;
>>   
>> -	port = intel_dsi_seq_port_to_port(seq_port);
>> +	/* For DSI Port A & C, the seq_port value has been set to 0 now in VBT
>> +	 * Now  the sequence of DSI single link on Port A and Port C will based
>> +	 * on the DVO port from VBT block 2.
>> +	 */
>> +	if (intel_dsi->ports == (1 << PORT_C))
>> +		port = PORT_C;
>> +	else
>> +		port = intel_dsi_seq_port_to_port(seq_port);
>>   	/* LP or HS mode */
>>   	intel_dsi->hs = mode;
>>   
>
> Jani,
>
> Need your reviewed-by on this patch too.

Okay, I was confused because there were actually five patches in this
four patch series! ;)

The *code* is

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

because I understand it, but frankly both the commit message and the
comment confuse me more.


>
> With regards,
> Gaurav
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-- 
Jani Nikula, Intel Open Source Technology Center