On Wed, 2019-12-18 at 18:38 +0200, Ville Syrjälä wrote:
> On Mon, Dec 16, 2019 at 02:07:37PM -0800, José Roberto de Souza
> wrote:
> > intel_connector_needs_modeset() will be used outside of
> > intel_display.c in a future patch so it would only be necessary to
> > remove the state and add the prototype to the header file.
> >
> > But while at it, I simplified the arguments and moved it to a
> > better
> > place intel_atomic.c.
> >
> > That allowed us to convert the whole
> > intel_encoders_update_prepare/complete to intel types too.
> >
> > No behavior changes intended here.
> >
> > v3:
> > - removed digital from exported version of
> > intel_connector_needs_modeset
> > - rollback connector to drm type
> >
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_atomic.c | 18 +++++++
> > drivers/gpu/drm/i915/display/intel_atomic.h | 2 +
> > drivers/gpu/drm/i915/display/intel_display.c | 53 ++++++--------
> > ------
> > 3 files changed, 36 insertions(+), 37 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c
> > b/drivers/gpu/drm/i915/display/intel_atomic.c
> > index fd0026fc3618..b7dda18b6f29 100644
> > --- a/drivers/gpu/drm/i915/display/intel_atomic.c
> > +++ b/drivers/gpu/drm/i915/display/intel_atomic.c
> > @@ -174,6 +174,24 @@ intel_digital_connector_duplicate_state(struct
> > drm_connector *connector)
> > return &state->base;
> > }
> >
> > +/**
> > + * intel_connector_needs_modeset - check if connector needs a
> > modeset
> > + */
> > +bool
> > +intel_connector_needs_modeset(struct intel_atomic_state *state,
> > + struct drm_connector *connector)
> > +{
> > + const struct drm_connector_state *old_conn_state,
> > *new_conn_state;
> > +
> > + old_conn_state = drm_atomic_get_old_connector_state(&state-
> > >base, connector);
> > + new_conn_state = drm_atomic_get_new_connector_state(&state-
> > >base, connector);
> > +
> > + return old_conn_state->crtc != new_conn_state->crtc ||
> > + (new_conn_state->crtc &&
> > + drm_atomic_crtc_needs_modeset(drm_atomic_get_new_crtc_s
> > tate(&state->base,
> > +
> > new_conn_state->crtc)));
> > +}
> > +
> > /**
> > * intel_crtc_duplicate_state - duplicate crtc state
> > * @crtc: drm crtc
> > diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h
> > b/drivers/gpu/drm/i915/display/intel_atomic.h
> > index 7b49623419ba..a7d1a8576c48 100644
> > --- a/drivers/gpu/drm/i915/display/intel_atomic.h
> > +++ b/drivers/gpu/drm/i915/display/intel_atomic.h
> > @@ -32,6 +32,8 @@ int intel_digital_connector_atomic_check(struct
> > drm_connector *conn,
> > struct drm_atomic_state
> > *state);
> > struct drm_connector_state *
> > intel_digital_connector_duplicate_state(struct drm_connector
> > *connector);
> > +bool intel_connector_needs_modeset(struct intel_atomic_state
> > *state,
> > + struct drm_connector *connector);
> >
> > struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc
> > *crtc);
> > void intel_crtc_destroy_state(struct drm_crtc *crtc,
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > b/drivers/gpu/drm/i915/display/intel_display.c
> > index 8e3e05cfcb27..0ee2e86a8826 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -6185,71 +6185,50 @@ intel_connector_primary_encoder(struct
> > intel_connector *connector)
> > return encoder;
> > }
> >
> > -static bool
> > -intel_connector_needs_modeset(struct intel_atomic_state *state,
> > - const struct drm_connector_state
> > *old_conn_state,
> > - const struct drm_connector_state
> > *new_conn_state)
> > -{
> > - struct intel_crtc *old_crtc = old_conn_state->crtc ?
> > - to_intel_crtc(old_conn_state-
> > >crtc) : NULL;
> > - struct intel_crtc *new_crtc = new_conn_state->crtc ?
> > - to_intel_crtc(new_conn_state-
> > >crtc) : NULL;
> > -
> > - return new_crtc != old_crtc ||
> > - (new_crtc &&
> > - needs_modeset(intel_atomic_get_new_crtc_state(state,
> > new_crtc)));
> > -}
> > -
> > static void intel_encoders_update_prepare(struct
> > intel_atomic_state *state)
> > {
> > - struct drm_connector_state *old_conn_state;
> > - struct drm_connector_state *new_conn_state;
> > - struct drm_connector *conn;
> > + struct intel_digital_connector_state *new_connector_state;
> > + struct intel_connector *connector;
>
> Not sure why we changed the types here. I suppose it works if we're
> careful in what we access in the connector state, but IIRC not
> all connectors use intel_digital_connector_state so this could
> potetially trip someone up in the future. So I'd leave these alone.
Okay rolling back to drm_connector_state
>
> The movement of the function itself is
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
>
> > int i;
> >
> > - for_each_oldnew_connector_in_state(&state->base, conn,
> > - old_conn_state,
> > new_conn_state, i) {
> > + for_each_new_intel_connector_in_state(state, connector,
> > + new_connector_state, i) {
> > struct intel_encoder *encoder;
> > struct intel_crtc *crtc;
> >
> > - if (!intel_connector_needs_modeset(state,
> > - old_conn_state,
> > - new_conn_state))
> > + if (!intel_connector_needs_modeset(state, &connector-
> > >base))
> > continue;
> >
> > - encoder =
> > intel_connector_primary_encoder(to_intel_connector(conn));
> > + encoder = intel_connector_primary_encoder(connector);
> > if (!encoder->update_prepare)
> > continue;
> >
> > - crtc = new_conn_state->crtc ?
> > - to_intel_crtc(new_conn_state->crtc) : NULL;
> > + crtc = new_connector_state->base.crtc ?
> > + to_intel_crtc(new_connector_state->base.crtc) :
> > NULL;
> > encoder->update_prepare(state, encoder, crtc);
> > }
> > }
> >
> > static void intel_encoders_update_complete(struct
> > intel_atomic_state *state)
> > {
> > - struct drm_connector_state *old_conn_state;
> > - struct drm_connector_state *new_conn_state;
> > - struct drm_connector *conn;
> > + struct intel_digital_connector_state *new_connector_state;
> > + struct intel_connector *connector;
> > int i;
> >
> > - for_each_oldnew_connector_in_state(&state->base, conn,
> > - old_conn_state,
> > new_conn_state, i) {
> > + for_each_new_intel_connector_in_state(state, connector,
> > + new_connector_state, i) {
> > struct intel_encoder *encoder;
> > struct intel_crtc *crtc;
> >
> > - if (!intel_connector_needs_modeset(state,
> > - old_conn_state,
> > - new_conn_state))
> > + if (!intel_connector_needs_modeset(state, &connector-
> > >base))
> > continue;
> >
> > - encoder =
> > intel_connector_primary_encoder(to_intel_connector(conn));
> > + encoder = intel_connector_primary_encoder(connector);
> > if (!encoder->update_complete)
> > continue;
> >
> > - crtc = new_conn_state->crtc ?
> > - to_intel_crtc(new_conn_state->crtc) : NULL;
> > + crtc = new_connector_state->base.crtc ?
> > + to_intel_crtc(new_connector_state->base.crtc) :
> > NULL;
> > encoder->update_complete(state, encoder, crtc);
> > }
> > }
> > --
> > 2.24.1
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