[PATCH v5 0/5] ALPM AUX-Less

Hogander, Jouni jouni.hogander at intel.com
Tue Apr 2 09:22:12 UTC 2024


On Thu, 2024-03-28 at 05:33 +0000, Manna, Animesh wrote:
> 
> 
> > -----Original Message-----
> > From: Hogander, Jouni <jouni.hogander at intel.com>
> > Sent: Friday, March 22, 2024 4:00 PM
> > To: intel-gfx at lists.freedesktop.org
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>; Manna, Animesh
> > <animesh.manna at intel.com>; Murthy, Arun R
> > <arun.r.murthy at intel.com>;
> > Hogander, Jouni <jouni.hogander at intel.com>
> > Subject: [PATCH v5 0/5] ALPM AUX-Less
> > 
> > This patch set is implementing calculation of ALPM AUX-Less
> > parameters for
> > Intel HW and writing them in case of AUX-Less is enabled. It is
> > also enabling
> > ALPM AUX-Less for eDP Panel Replay. Current code is not allowing
> > Panel
> > Replay on eDP. Patches for this are coming later.
> > 
> > This implementation is only for Panel Replay usage. LOBF (Link Off
> > Between
> > Active Frames) usage needs more work.
> > 
> > v5:
> >   - mention AUX Less enable is only on source side in commit
> > message
> > v4:
> >   - drop patch adding AUX LESS dpcd defines
> >   - re-use fast_wake_lines to store aux_less_wake_lines
> >   - add comment explaining why AUX less is enabled on eDP panel
> > replay
> >     without any extra checks
> > v3:
> >   - use definitions instead of numbers for max values
> >   - do not use alpm_ctl as uninitialized variable
> > v2:
> >   - use variables instead of values directly
> >   - fix several max values
> >   - move converting port clock to Mhz into _lnl_compute_*
> >   - do not set AUX-Wake related bits for AUX-Less case
> >   - do not write ALPM configuration for DP2.0 Panel Replay or PSR1
> > 
> > Jouni Högander (5):
> >   drm/i915/psr: Add missing ALPM AUX-Less register definitions
> >   drm/i915/psr: Calculate aux less wake time
> >   drm/i915/psr: Silence period and lfps half cycle
> >   drm/i915/psr: Enable ALPM on source side for eDP Panel replay
> >   drm/i915/psr: Do not write ALPM configuration for PSR1 or DP2.0
> > Panel
> >     Replay
> 
> The above patches LGTM. For whole patch series: 
> Reviewed-by: Animesh Manna <animesh.manna at intel.com>

Thank you Animesh for your review. There are now pushed to drm-intel-
next.

BR,

Jouni Högander

> 
> > 
> >  .../drm/i915/display/intel_display_types.h    |   2 +
> >  drivers/gpu/drm/i915/display/intel_psr.c      | 188
> > +++++++++++++++++-
> >  drivers/gpu/drm/i915/display/intel_psr_regs.h |  12 +-
> >  3 files changed, 193 insertions(+), 9 deletions(-)
> > 
> > --
> > 2.34.1
> 



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