[PATCH v5] drm/i915/selftests: Refactor RC6 power measurement and error handling

[Andi Shyti]

Hi Anirban,

On Fri, Mar 28, 2025 at 12:49:24AM +0530, Sk Anirban wrote:
> Revise the power measurement logic to save and evaluate energy values.

How is the logic been revised? Can you be more specific please?

> Previously, the test only checked whether the system had entered the RC6
> state, without considering any potential interruptions in that state.
> This update introduces a threshold check to ensure that the GPU remains
> in the RC6 state properly during the specified sleep duration.

How is the threshold been evaluated? As far as I can see, there
is only one pr_err() added in a path that fails anyway (it's
almost more a debug). Should we evaluate the threshold outside
from the failing path?

Andi