On Fri, Sep 27, 2024 at 08:52:36PM +0530, Ankit Nautiyal wrote: > Streamline the helper to get max compressed bpp for bigjoiner case, to > effectively use num of pipes joined. This will make the addition of > ultrajoiner limitations easier and improve redability. > > Signed-off-by: Ankit Nautiyal <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index 29f8cb9c4dd0..a85527a55dc0 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -864,16 +864,21 @@ static int bigjoiner_interface_bits(struct > intel_display *display) > return DISPLAY_VER(display) >= 14 ? 36 : 24; > } > > -static u32 bigjoiner_bw_max_bpp(struct intel_display *display, u32 > mode_clock) > +static u32 bigjoiner_bw_max_bpp(struct intel_display *display, u32 > mode_clock, > + int num_joined_pipes) > { > u32 max_bpp; > /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 > */ > int ppc = 2; > + int num_big_joiners = num_joined_pipes / 2; > > max_bpp = display->cdclk.max_cdclk_freq * ppc * > bigjoiner_interface_bits(display) / > intel_dp_mode_to_fec_clock(mode_clock); > > + max_bpp *= num_big_joiners; > + > return max_bpp; > + > } > > static u32 small_joiner_ram_max_bpp(struct intel_display *display, > @@ -903,7 +908,8 @@ u32 get_max_compressed_bpp_with_joiner(struct > drm_i915_private *i915, > num_joined_pipes); > > if (num_joined_pipes == 2) { > - u32 max_bpp_bigjoiner = bigjoiner_bw_max_bpp(display, > mode_clock); > + u32 max_bpp_bigjoiner = bigjoiner_bw_max_bpp(display, > mode_clock, > + num_joined_pipes); > > return min(max_bpp_small_joiner_ram, max_bpp_bigjoiner); > } > -- > 2.45.2 -- Ville Syrjälä Intel
