On 2017-03-03 04:43, Patel, Mayurkumar wrote:
Hi Kaya
Hi Mayurkumar
On 3/2/2017 11:05 AM, Patel, Mayurkumar wrote:
Hi Bjorn,
On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote:
I was trying to figure out when to use saved values vs. the values
in
registers by looking at the enable_cnt.
enable
Hi Kaya
>
>Hi Mayurkumar
>
>On 3/2/2017 11:05 AM, Patel, Mayurkumar wrote:
>>>
>>> Hi Bjorn,
>>>
>>> On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote:
> I was trying to figure out when to use saved values vs. the values in
> registers by looking at the enable_cnt.
> enable_cnt is 0 during
Hi Mayurkumar
On 3/2/2017 11:05 AM, Patel, Mayurkumar wrote:
>>
>> Hi Bjorn,
>>
>> On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote:
I was trying to figure out when to use saved values vs. the values in
registers by looking at the enable_cnt.
enable_cnt is 0 during boot on my system.
>
>
>Hi Bjorn,
>
>On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote:
>>> I was trying to figure out when to use saved values vs. the values in
>>> registers by looking at the enable_cnt.
>>> enable_cnt is 0 during boot on my system.
>> enable_cnt for the root port on my system is set to 1 for "root port"
Hi Bjorn,
On 2/28/2017 1:57 PM, Patel, Mayurkumar wrote:
>> I was trying to figure out when to use saved values vs. the values in
>> registers by looking at the enable_cnt.
>> enable_cnt is 0 during boot on my system.
> enable_cnt for the root port on my system is set to 1 for "root port" already
>
>On 2/28/2017 6:03 AM, Patel, Mayurkumar wrote:
>>> - /* Save default state */
>>> - link->aspm_default = link->aspm_enabled;
>> But, I am finding a problem with this change, if Policy is set to default,
>> BIOS enables ASPM L1, but pcie_config_aspm_link() disables ASPM L1
>> due to link->asp
On 2/28/2017 6:03 AM, Patel, Mayurkumar wrote:
>> -/* Save default state */
>> -link->aspm_default = link->aspm_enabled;
> But, I am finding a problem with this change, if Policy is set to default,
> BIOS enables ASPM L1, but pcie_config_aspm_link() disables ASPM L1
> due to link->aspm_enab
>
>When the operating system is booted with the default ASPM policy
>(POLICY_DEFAULT), the current code is determining the ASPM policy
>set up by the BIOS by querying the enable/disable states from ASPM
>registers.
>
>In the case of hotplug removal, the ASPM registers get cleared by
>calling the pc
When the operating system is booted with the default ASPM policy
(POLICY_DEFAULT), the current code is determining the ASPM policy
set up by the BIOS by querying the enable/disable states from ASPM
registers.
In the case of hotplug removal, the ASPM registers get cleared by
calling the pcie_aspm_e
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