Message ID | 20221003113249.16213-6-ville.syrjala@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/i915: Per-crtc/connector DRRS debugfs | expand |
On Mon, 03 Oct 2022, Ville Syrjala <ville.syrjala@linux.intel.com> wrote: > From: Ville Syrjälä <ville.syrjala@linux.intel.com> > > Only report DRRS capability for the connector if its fixed_modes > list contains at least two modes capable of seamless DRRS switch > between them. > > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Makes sense, Reviewed-by: Jani Nikula <jani.nikula@intel.com> > --- > drivers/gpu/drm/i915/display/intel_panel.c | 19 +++++++++++++++++-- > 1 file changed, 17 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c > index 41cec9dc4223..d18c56cf957d 100644 > --- a/drivers/gpu/drm/i915/display/intel_panel.c > +++ b/drivers/gpu/drm/i915/display/intel_panel.c > @@ -147,10 +147,25 @@ int intel_panel_get_modes(struct intel_connector *connector) > return num_modes; > } > > +static bool has_drrs_modes(struct intel_connector *connector) > +{ > + const struct drm_display_mode *mode1; > + > + list_for_each_entry(mode1, &connector->panel.fixed_modes, head) { > + const struct drm_display_mode *mode2 = mode1; > + > + list_for_each_entry_continue(mode2, &connector->panel.fixed_modes, head) { > + if (is_alt_drrs_mode(mode1, mode2)) > + return true; > + } > + } > + > + return false; > +} > + > enum drrs_type intel_panel_drrs_type(struct intel_connector *connector) > { > - if (list_empty(&connector->panel.fixed_modes) || > - list_is_singular(&connector->panel.fixed_modes)) > + if (!has_drrs_modes(connector)) > return DRRS_TYPE_NONE; > > return connector->panel.vbt.drrs_type;
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index 41cec9dc4223..d18c56cf957d 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -147,10 +147,25 @@ int intel_panel_get_modes(struct intel_connector *connector) return num_modes; } +static bool has_drrs_modes(struct intel_connector *connector) +{ + const struct drm_display_mode *mode1; + + list_for_each_entry(mode1, &connector->panel.fixed_modes, head) { + const struct drm_display_mode *mode2 = mode1; + + list_for_each_entry_continue(mode2, &connector->panel.fixed_modes, head) { + if (is_alt_drrs_mode(mode1, mode2)) + return true; + } + } + + return false; +} + enum drrs_type intel_panel_drrs_type(struct intel_connector *connector) { - if (list_empty(&connector->panel.fixed_modes) || - list_is_singular(&connector->panel.fixed_modes)) + if (!has_drrs_modes(connector)) return DRRS_TYPE_NONE; return connector->panel.vbt.drrs_type;