ACK: [SRU][L][PATCH 0/1] Enable D3cold at s2idle for Intel DG2 GPU

Tim Gardner tim.gardner at canonical.com
Wed Aug 30 13:45:28 UTC 2023


On 8/29/23 10:08 PM, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2033452
> 
> [Impact]
> The system wakes up during s2idle with Intel DG2 GPU.
> It causes high power consumption during suspend.
> 
> [Fix]
> Enable D3cold at s2idle.
> 
> [Test]
> Tested on hardware, the system sleeps as long as expected,
> the power consumption is lower.
> 
> [Where problems could occur]
> It may break i915 driver.
> 
> It's a fix of regression in v6.1, no need for jammy and already in 6.5.
> SRU for lunar and oem-6.1.
> 
> Anshuman Gupta (1):
>    drm/i915/dgfx: Enable d3cold at s2idle
> 
>   drivers/gpu/drm/i915/i915_driver.c | 33 ++++++++++++++++--------------
>   1 file changed, 18 insertions(+), 15 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
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Tim Gardner
Canonical, Inc




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