Re: [Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff on seamless M/N change

2023-03-10 Thread Ville Syrjälä
On Fri, Mar 10, 2023 at 07:01:18PM +, Golani, Mitulkumar Ajitkumar wrote: > > > > -Original Message- > > From: Intel-gfx On Behalf Of Ville > > Syrjala > > Sent: 06 March 2023 20:59 > > To: intel-gfx@lists.freedesktop.org > > Subject: [Inte

Re: [Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff on seamless M/N change

2023-03-10 Thread Golani, Mitulkumar Ajitkumar
> -Original Message- > From: Intel-gfx On Behalf Of Ville > Syrjala > Sent: 06 March 2023 20:59 > To: intel-gfx@lists.freedesktop.org > Subject: [Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff > on seamless M/N change > > From: Ville Syrjä

Re: [Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff on seamless M/N change

2023-03-07 Thread Ville Syrjälä
On Tue, Mar 07, 2023 at 02:16:48PM +0200, Jani Nikula wrote: > On Mon, 06 Mar 2023, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > When we change the M/N values seamlessly during a fastset we should > > also update the vblank timestamping stuff to make sure the vblank > > timestamp correcti

Re: [Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff on seamless M/N change

2023-03-07 Thread Jani Nikula
On Mon, 06 Mar 2023, Ville Syrjala wrote: > From: Ville Syrjälä > > When we change the M/N values seamlessly during a fastset we should > also update the vblank timestamping stuff to make sure the vblank > timestamp corrections/guesstimations come out exact. > > Note that only crtc_clock and fram

[Intel-gfx] [PATCH 1/4] drm/i915: Update vblank timestamping stuff on seamless M/N change

2023-03-06 Thread Ville Syrjala
From: Ville Syrjälä When we change the M/N values seamlessly during a fastset we should also update the vblank timestamping stuff to make sure the vblank timestamp corrections/guesstimations come out exact. Note that only crtc_clock and framedur_ns can actually end up changing here during fastse