| Message ID | 20240329011254.24160-12-ville.syrjala@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915: Bigjoiner modeset sequence redesign and MST support | expand |
> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Ville > Syrjala > Sent: Friday, March 29, 2024 6:43 AM > To: intel-gfx@lists.freedesktop.org > Subject: [PATCH 11/22] drm/i915/mst: Check intel_dp_joiner_needs_dsc() > > From: Ville Syrjälä <ville.syrjala@linux.intel.com> > > intel_dp_mst_compute_config() is missing the "does the joiner need DSC?" check > despite claiming to have a lot of other joiner/dsc stuff in there (albeit disabled). > Replicate the logic from the SST side. > > TODO: refactor all this duplicated code! Looks Good to me. Reviewed-by: Uma Shankar <uma.shankar@intel.com> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c > b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index 6da031f9724d..1cf6241a7d53 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -532,7 +532,7 @@ static int intel_dp_mst_compute_config(struct > intel_encoder *encoder, > const struct drm_display_mode *adjusted_mode = > &pipe_config->hw.adjusted_mode; > struct link_config_limits limits; > - bool dsc_needed; > + bool dsc_needed, joiner_needs_dsc; > int ret = 0; > > if (pipe_config->fec_enable && > @@ -546,7 +546,9 @@ static int intel_dp_mst_compute_config(struct > intel_encoder *encoder, > pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; > pipe_config->has_pch_encoder = false; > > - dsc_needed = intel_dp->force_dsc_en || > + joiner_needs_dsc = intel_dp_joiner_needs_dsc(dev_priv, > +pipe_config->bigjoiner_pipes); > + > + dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || > !intel_dp_mst_compute_config_limits(intel_dp, > connector, > pipe_config, > @@ -566,8 +568,8 @@ static int intel_dp_mst_compute_config(struct > intel_encoder *encoder, > > /* enable compression if the mode doesn't fit available BW */ > if (dsc_needed) { > - drm_dbg_kms(&dev_priv->drm, "Try DSC (fallback=%s, > force=%s)\n", > - str_yes_no(ret), > + drm_dbg_kms(&dev_priv->drm, "Try DSC (fallback=%s, > joiner=%s, force=%s)\n", > + str_yes_no(ret), str_yes_no(joiner_needs_dsc), > str_yes_no(intel_dp->force_dsc_en)); > > if (!intel_dp_mst_dsc_source_support(pipe_config)) > -- > 2.43.2
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 6da031f9724d..1cf6241a7d53 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -532,7 +532,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; struct link_config_limits limits; - bool dsc_needed; + bool dsc_needed, joiner_needs_dsc; int ret = 0; if (pipe_config->fec_enable && @@ -546,7 +546,9 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; pipe_config->has_pch_encoder = false; - dsc_needed = intel_dp->force_dsc_en || + joiner_needs_dsc = intel_dp_joiner_needs_dsc(dev_priv, pipe_config->bigjoiner_pipes); + + dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || !intel_dp_mst_compute_config_limits(intel_dp, connector, pipe_config, @@ -566,8 +568,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, /* enable compression if the mode doesn't fit available BW */ if (dsc_needed) { - drm_dbg_kms(&dev_priv->drm, "Try DSC (fallback=%s, force=%s)\n", - str_yes_no(ret), + drm_dbg_kms(&dev_priv->drm, "Try DSC (fallback=%s, joiner=%s, force=%s)\n", + str_yes_no(ret), str_yes_no(joiner_needs_dsc), str_yes_no(intel_dp->force_dsc_en)); if (!intel_dp_mst_dsc_source_support(pipe_config))