> -----Original Message----- > From: Nautiyal, Ankit K <ankit.k.nautiyal@xxxxxxxxx> > Sent: Wednesday, December 4, 2024 2:57 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: intel-xe@xxxxxxxxxxxxxxxxxxxxx; Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>; > jani.nikula@xxxxxxxxxxxxxxx; Deak, Imre <imre.deak@xxxxxxxxx> > Subject: [PATCH 08/14] drm/i915/dp_mst: Use helpers to get dsc min/max > input bpc > > Use helpers for source min/max input bpc with DSC. > > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> LGTM, Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 2 -- > drivers/gpu/drm/i915/display/intel_dp.h | 3 +++ > drivers/gpu/drm/i915/display/intel_dp_mst.c | 13 +++++-------- > 3 files changed, 8 insertions(+), 10 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index edfe084dca39..bff7441d2ddd 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -1780,7 +1780,6 @@ intel_dp_compute_link_config_wide(struct intel_dp > *intel_dp, > return -EINVAL; > } > > -static > int intel_dp_dsc_max_src_input_bpc(struct intel_display *display) { > /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ @@ -2183,7 > +2182,6 @@ static int dsc_compute_compressed_bpp(struct intel_dp > *intel_dp, > dsc_max_bpp, dsc_min_bpp, > pipe_bpp, timeslots); } > > -static > int intel_dp_dsc_min_src_input_bpc(void) > { > /* Min DSC Input BPC for ICL+ is 8 */ > diff --git a/drivers/gpu/drm/i915/display/intel_dp.h > b/drivers/gpu/drm/i915/display/intel_dp.h > index 4ae54e9718ce..4895b52d41e8 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.h > +++ b/drivers/gpu/drm/i915/display/intel_dp.h > @@ -20,6 +20,7 @@ struct intel_atomic_state; struct intel_connector; struct > intel_crtc_state; struct intel_digital_port; > +struct intel_display; > struct intel_dp; > struct intel_encoder; > > @@ -207,5 +208,7 @@ bool intel_dp_link_params_valid(struct intel_dp > *intel_dp, int link_rate, > u8 lane_count); > bool intel_dp_has_connector(struct intel_dp *intel_dp, > const struct drm_connector_state *conn_state); > +int intel_dp_dsc_max_src_input_bpc(struct intel_display *display); int > +intel_dp_dsc_min_src_input_bpc(void); > > #endif /* __INTEL_DP_H__ */ > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c > b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index 9b64c8a0e55e..795594191717 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -365,17 +365,14 @@ static int > mst_stream_dsc_compute_link_config(struct intel_dp *intel_dp, > int i, num_bpc; > u8 dsc_bpc[3] = {}; > int min_bpp, max_bpp, sink_min_bpp, sink_max_bpp; > - u8 dsc_max_bpc; > + int dsc_max_bpc, dsc_min_bpc; > int min_compressed_bpp, max_compressed_bpp; > > - /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ > - if (DISPLAY_VER(display) >= 12) > - dsc_max_bpc = min_t(u8, 12, conn_state- > >max_requested_bpc); > - else > - dsc_max_bpc = min_t(u8, 10, conn_state- > >max_requested_bpc); > + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(display); > + dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(); > > - max_bpp = min_t(u8, dsc_max_bpc * 3, limits->pipe.max_bpp); > - min_bpp = limits->pipe.min_bpp; > + max_bpp = min(dsc_max_bpc * 3, limits->pipe.max_bpp); > + min_bpp = max(dsc_min_bpc * 3, limits->pipe.min_bpp); > > num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector- > >dp.dsc_dpcd, > dsc_bpc); > -- > 2.45.2