Message ID | 20240718081803.3338564-10-ankit.k.nautiyal@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Ultrajoiner basic functionality series | expand |
> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Ankit > Nautiyal > Sent: Thursday, July 18, 2024 1:48 PM > To: intel-gfx@lists.freedesktop.org > Cc: Lisovskiy, Stanislav <stanislav.lisovskiy@intel.com>; Saarinen, Jani > <jani.saarinen@intel.com>; ville.syrjala@linux.intel.com > Subject: [PATCH 09/12] drm/i915/display/vdsc: Add ultrajoiner support with > DSC > > From: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> > > Add changes to DSC which are required for Ultrajoiner. > > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> > --- > drivers/gpu/drm/i915/display/intel_vdsc.c | 26 +++++++++++++++++++++-- > 1 file changed, 24 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c > b/drivers/gpu/drm/i915/display/intel_vdsc.c > index 11058bb37d5a..815fbffc2d97 100644 > --- a/drivers/gpu/drm/i915/display/intel_vdsc.c > +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c > @@ -378,8 +378,11 @@ static int intel_dsc_get_vdsc_per_pipe(const struct > intel_crtc_state *crtc_state int intel_dsc_get_num_vdsc_instances(const struct > intel_crtc_state *crtc_state) { > int num_vdsc_instances = intel_dsc_get_vdsc_per_pipe(crtc_state); > + int joined_pipes = intel_joiner_num_pipes(crtc_state); > > - if (crtc_state->joiner_pipes) > + if (joined_pipes == 4) > + num_vdsc_instances *= 4; > + else if (joined_pipes == 2) > num_vdsc_instances *= 2; > Use enum here as well I think just doing A check of joined pipe no != invalid or none and then num_vdsc_instances *= pipes_joined Would be better. > return num_vdsc_instances; > @@ -770,6 +773,13 @@ void intel_uncompressed_joiner_enable(const struct > intel_crtc_state *crtc_state) > } > } > > +static bool intel_crtc_ultrajoiner_enable_needed(const struct > +intel_crtc_state *crtc_state) { > + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > + > + return intel_joiner_num_pipes(crtc_state) == 4 && crtc->pipe != > +PIPE_D; } > + Ditto Regards, Suraj Kandpal > void intel_dsc_enable(const struct intel_crtc_state *crtc_state) { > struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > @@ -789,8 +799,20 @@ void intel_dsc_enable(const struct intel_crtc_state > *crtc_state) > dss_ctl1_val |= JOINER_ENABLE; > } > if (crtc_state->joiner_pipes) { > + /* > + * This bit doesn't seem to follow master/slave logic or > + * any other logic, so lets just add helper function to > + * at least hide this hassle.. > + */ > + if (intel_crtc_ultrajoiner_enable_needed(crtc_state)) > + dss_ctl1_val |= ULTRA_JOINER_ENABLE; > + > + if (intel_crtc_is_ultrajoiner_primary(crtc_state)) > + dss_ctl1_val |= PRIMARY_ULTRA_JOINER_ENABLE; > + > dss_ctl1_val |= BIG_JOINER_ENABLE; > - if (intel_crtc_is_bigjoiner_primary(crtc_state)) > + > + if (!intel_crtc_is_joiner_secondary(crtc_state)) > dss_ctl1_val |= PRIMARY_BIG_JOINER_ENABLE; > } > intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), > dss_ctl1_val); > -- > 2.45.2
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index 11058bb37d5a..815fbffc2d97 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -378,8 +378,11 @@ static int intel_dsc_get_vdsc_per_pipe(const struct intel_crtc_state *crtc_state int intel_dsc_get_num_vdsc_instances(const struct intel_crtc_state *crtc_state) { int num_vdsc_instances = intel_dsc_get_vdsc_per_pipe(crtc_state); + int joined_pipes = intel_joiner_num_pipes(crtc_state); - if (crtc_state->joiner_pipes) + if (joined_pipes == 4) + num_vdsc_instances *= 4; + else if (joined_pipes == 2) num_vdsc_instances *= 2; return num_vdsc_instances; @@ -770,6 +773,13 @@ void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state) } } +static bool intel_crtc_ultrajoiner_enable_needed(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + + return intel_joiner_num_pipes(crtc_state) == 4 && crtc->pipe != PIPE_D; +} + void intel_dsc_enable(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -789,8 +799,20 @@ void intel_dsc_enable(const struct intel_crtc_state *crtc_state) dss_ctl1_val |= JOINER_ENABLE; } if (crtc_state->joiner_pipes) { + /* + * This bit doesn't seem to follow master/slave logic or + * any other logic, so lets just add helper function to + * at least hide this hassle.. + */ + if (intel_crtc_ultrajoiner_enable_needed(crtc_state)) + dss_ctl1_val |= ULTRA_JOINER_ENABLE; + + if (intel_crtc_is_ultrajoiner_primary(crtc_state)) + dss_ctl1_val |= PRIMARY_ULTRA_JOINER_ENABLE; + dss_ctl1_val |= BIG_JOINER_ENABLE; - if (intel_crtc_is_bigjoiner_primary(crtc_state)) + + if (!intel_crtc_is_joiner_secondary(crtc_state)) dss_ctl1_val |= PRIMARY_BIG_JOINER_ENABLE; } intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), dss_ctl1_val);