RE: [PATCH 3/6] drm/i915/wm: Rename enable_dpkgc variable

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> -----Original Message-----
> From: Golani, Mitulkumar Ajitkumar
> <mitulkumar.ajitkumar.golani@xxxxxxxxx>
> Sent: Monday, December 2, 2024 3:04 PM
> To: Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>; intel-xe@xxxxxxxxxxxxxxxxxxxxx;
> intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Govindapillai, Vinod <vinod.govindapillai@xxxxxxxxx>; Nikula, Jani
> <jani.nikula@xxxxxxxxx>
> Subject: RE: [PATCH 3/6] drm/i915/wm: Rename enable_dpkgc variable
> 
> 
> 
> > -----Original Message-----
> > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> > Suraj Kandpal
> > Sent: 15 November 2024 21:31
> > To: intel-xe@xxxxxxxxxxxxxxxxxxxxx; intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: Govindapillai, Vinod <vinod.govindapillai@xxxxxxxxx>; Nikula, Jani
> > <jani.nikula@xxxxxxxxx>; Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>
> > Subject: [PATCH 3/6] drm/i915/wm: Rename enable_dpkgc variable
> >
> > Rename the enable_dpkgc variable to make it more clear what it
> > represents which is that if we are in fixed refresh rate or not.
> 
> Changing names for the sake to this function doesn't make any sense to me
> here,  can be dropped if not required.

It isn't just for the sake of function,
Enable_dpkgc gets set only when we are at a fixed refresh rate which make the
Name fixed_refresh_rate compared to enable_dpkgc since there are chances that DPKGC is
Not enabled even though fixed refresh rate is enabled for less than LNL 

Regards,
Suraj Kandpal

> >
> > Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/display/skl_watermark.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c
> > b/drivers/gpu/drm/i915/display/skl_watermark.c
> > index 6d5f64ed52ed..9ce3b5580df4 100644
> > --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> > +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> > @@ -2855,7 +2855,8 @@ static int skl_wm_add_affected_planes(struct
> > intel_atomic_state *state,
> >   * Program PKG_C_LATENCY Added Wake Time = 0
> >   */
> >  static void
> > -skl_program_dpkgc_latency(struct drm_i915_private *i915, bool
> > enable_dpkgc)
> > +skl_program_dpkgc_latency(struct drm_i915_private *i915,
> > +			  bool fixed_refresh_rate)
> >  {
> >  	u32 max_latency = LNL_PKG_C_LATENCY_MASK, added_wake_time =
> 0;
> >  	u32 clear, val;
> > @@ -2863,7 +2864,7 @@ skl_program_dpkgc_latency(struct
> > drm_i915_private *i915, bool enable_dpkgc)
> >  	if (DISPLAY_VER(i915) < 20)
> >  		return;
> >
> > -	if (enable_dpkgc) {
> > +	if (fixed_refresh_rate) {
> >  		max_latency = skl_watermark_max_latency(i915, 1);
> >  		if (max_latency == 0)
> >  			max_latency = LNL_PKG_C_LATENCY_MASK;
> > --
> > 2.34.1





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