On Tue, 26 Nov 2024, "Kahola, Mika" wrote:
>> -Original Message-
>> From: Jani Nikula
>> Sent: Tuesday, 26 November 2024 11.30
>> To: Kahola, Mika ; intel-gfx@lists.freedesktop.org
>> Cc: Sousa, Gustavo ; Jadav, Raag
>> ; Kahola, Mika
> -Original Message-
> From: Jani Nikula
> Sent: Tuesday, 26 November 2024 11.30
> To: Kahola, Mika ; intel-gfx@lists.freedesktop.org
> Cc: Sousa, Gustavo ; Jadav, Raag
> ; Kahola, Mika
> Subject: Re: [PATCH v5 1/2] drm/i915/xe3lpd: Power request
> asserting/dea
On Tue, 05 Nov 2024, Mika Kahola wrote:
> There is a HW issue that arises when there are race conditions
> between TCSS entering/exiting TC7 or TC10 states while the
> driver is asserting/deasserting TCSS power request. As a
> workaround, Display driver will implement a mailbox sequence
> to ensur
There is a HW issue that arises when there are race conditions
between TCSS entering/exiting TC7 or TC10 states while the
driver is asserting/deasserting TCSS power request. As a
workaround, Display driver will implement a mailbox sequence
to ensure that the TCSS is in TC0 when TCSS power request i
