[Intel-gfx] [PATCH] drm/i915: Use DSI Pll1 for enabling MIPI DSI on Port C

[Singh, Gaurav K]

On 12/8/2014 5:03 PM, Jani Nikula wrote:
> On Sun, 07 Dec 2014, Gaurav K Singh <gaurav.k.singh at intel.com> wrote:
>> DSI Pll1 is used for enabling DSI on Port C.
>>
>> Signed-off-by: Gaurav K Singh <gaurav.k.singh at intel.com>
>> ---
>>   drivers/gpu/drm/i915/intel_dsi_pll.c |    7 +++++--
>>   1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
>> index 8957f10..9b7f6a5 100644
>> --- a/drivers/gpu/drm/i915/intel_dsi_pll.c
>> +++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
>> @@ -241,9 +241,12 @@ static void vlv_configure_dsi_pll(struct intel_encoder *encoder)
>>   		return;
>>   	}
>>   
>> -	dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL;
>> +	if ((intel_dsi->ports == ((1 << PORT_A) | (1 << PORT_C))) ||
>> +	    (intel_dsi->ports == (1 << PORT_A)))
>> +		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL;
>>   
>> -	if (intel_dsi->dual_link)
>> +	if ((intel_dsi->ports == ((1 << PORT_A) | (1 << PORT_C))) ||
>> +	    (intel_dsi->ports == (1 << PORT_C)))
>>   		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI1_DSIPLL;
> In other words, patches 1 and 2 can be squashed into one that has:
>
> 	if (intel_dsi->ports & (1 << PORT_A))
> 		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL;
>
> 	if (intel_dsi->ports & (1 << PORT_C))
> 		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI1_DSIPLL;
>
> Right?
>
> BR,
> Jani.
Jani,

Yes, uploaded the new patch addressing your comments.

With regards,
Gaurav
>
>>   
>>   	DRM_DEBUG_KMS("dsi pll div %08x, ctrl %08x\n",
>> -- 
>> 1.7.9.5
>>
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