[PATCH 1/6] drm/i915/wm: Initialize max_latency variable to appropriate value

[Kandpal, Suraj]

> -----Original Message-----
> From: Golani, Mitulkumar Ajitkumar
> <mitulkumar.ajitkumar.golani at intel.com>
> Sent: Monday, December 2, 2024 2:46 PM
> To: Kandpal, Suraj <suraj.kandpal at intel.com>; intel-xe at lists.freedesktop.org;
> intel-gfx at lists.freedesktop.org
> Cc: Govindapillai, Vinod <vinod.govindapillai at intel.com>; Nikula, Jani
> <jani.nikula at intel.com>
> Subject: RE: [PATCH 1/6] drm/i915/wm: Initialize max_latency variable to
> appropriate value
> 
> 
> 
> > -----Original Message-----
> > From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of
> > Suraj Kandpal
> > Sent: 15 November 2024 21:31
> > To: intel-xe at lists.freedesktop.org; intel-gfx at lists.freedesktop.org
> > Cc: Govindapillai, Vinod <vinod.govindapillai at intel.com>; Nikula, Jani
> > <jani.nikula at intel.com>; Kandpal, Suraj <suraj.kandpal at intel.com>
> > Subject: [PATCH 1/6] drm/i915/wm: Initialize max_latency variable to
> > appropriate value
> >
> > Initialize max_latency variable to LNL_PKG_C_LATENCY_MASK which helps
> > to eliminate the else block and make the whole code a lot cleaner.
> > While we are at it group the initialized variable together.
> 
> I suggest not to combine your functional change with other refactoring. Rest
> other suggested changes from previous revision looks good.
> 

Sure will wait for your other reviews and rb's and then float latest revision

Regards,
Suraj Kandpal

> >
> > Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/skl_watermark.c | 6 +-----
> >  1 file changed, 1 insertion(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c
> > b/drivers/gpu/drm/i915/display/skl_watermark.c
> > index 1a4c1fa24820..a49e8915346e 100644
> > --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> > +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> > @@ -2857,9 +2857,8 @@ static int skl_wm_add_affected_planes(struct
> > intel_atomic_state *state,  static void
> > skl_program_dpkgc_latency(struct drm_i915_private *i915, bool
> enable_dpkgc)  {
> > -	u32 max_latency = 0;
> > +	u32 max_latency = LNL_PKG_C_LATENCY_MASK, added_wake_time =
> > 0;
> >  	u32 clear = 0, val = 0;
> > -	u32 added_wake_time = 0;
> >
> >  	if (DISPLAY_VER(i915) < 20)
> >  		return;
> > @@ -2870,9 +2869,6 @@ skl_program_dpkgc_latency(struct
> > drm_i915_private *i915, bool enable_dpkgc)
> >  			max_latency = LNL_PKG_C_LATENCY_MASK;
> >  		added_wake_time = DSB_EXE_TIME +
> >  			i915->display.sagv.block_time_us;
> > -	} else {
> > -		max_latency = LNL_PKG_C_LATENCY_MASK;
> > -		added_wake_time = 0;
> >  	}
> >
> >  	clear |= LNL_ADDED_WAKE_TIME_MASK |
> > LNL_PKG_C_LATENCY_MASK;
> > --
> > 2.34.1