Re: [Intel-gfx] [PATCH v3] drm/i915/debugfs : PM_REQ and PM_RES registers

2021-01-12 Thread Gupta, Anshuman
> -Original Message- > From: S, Saichandana > Sent: Tuesday, January 12, 2021 7:04 PM > To: intel-gfx@lists.freedesktop.org > Cc: Nikula, Jani ; Gupta, Anshuman > ; S, Saichandana > Subject: [PATCH v3] drm/i915/debugfs : PM_REQ and PM_RES registers > > PM_REQ register provides the val

[Intel-gfx] [PATCH v3] drm/i915/debugfs : PM_REQ and PM_RES registers

2021-01-12 Thread Saichandana S
PM_REQ register provides the value of the last PM request from PCU to Display Engine. PM_RES register provides the value of the last PM response from Display Engine to PCU. This debugfs will be used by DC9 IGT test to know about "DC9 Ready" status. B.Spec : 49501, 49502 V2: Added a functional prin