Re: [PATCH v2 1/3] firmware: qcom: scm: add a video command for state setting
From: Stanimir Varbanov
Date: Thu Nov 10 2016 - 03:05:50 EST
Hi,
On 11/10/2016 03:52 AM, Stephen Boyd wrote:
> On 11/07, Stanimir Varbanov wrote:
>> diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
>> index d95c70227c05..7e364691a87c 100644
>> --- a/drivers/firmware/qcom_scm.c
>> +++ b/drivers/firmware/qcom_scm.c
>> @@ -320,6 +320,22 @@ bool qcom_scm_is_available(void)
>> }
>> EXPORT_SYMBOL(qcom_scm_is_available);
>>
>> +int qcom_scm_video_set_state(u32 state, u32 spare)
>> +{
>> + int ret;
>> +
>> + ret = qcom_scm_clk_enable();
>
> Do we need clk control for this? Usually it's only required for
> crypto engine things, and turning on video doesn't sound like it
> uses crypto. I don't think downstream android kernel does this.
Correct, the crypto clk is not needed.
--
regards,
Stan