On Thu, 2020-02-20 at 14:40 +0200, Jani Nikula wrote:
> On Thu, 20 Feb 2020, Stanislav Lisovskiy <
> stanislav.lisovskiy@xxxxxxxxx> wrote:
> > We might be willing to call intel_atomic_get_old_global_obj_state
> > and intel_atomic_get_new_global_obj_state right away, however
> > those are not initializing global obj state as
> > intel_atomic_get_global_obj_state does.
> > Extracted initializing part to separate function and now using this
> > also in intel_atomic_get_old_global_obj_state and
> > intel_atomic_get_new_global_obj_state
> >
> > v2: - Fixed typo in function call
> >
> > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_bw.c | 28
> > ++++++++++++++++++++++++-
> > drivers/gpu/drm/i915/display/intel_bw.h | 9 ++++++++
> > 2 files changed, 36 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_bw.c
> > b/drivers/gpu/drm/i915/display/intel_bw.c
> > index 58b264bc318d..ff57277e8880 100644
> > --- a/drivers/gpu/drm/i915/display/intel_bw.c
> > +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> > @@ -374,7 +374,33 @@ static unsigned int intel_bw_data_rate(struct
> > drm_i915_private *dev_priv,
> > return data_rate;
> > }
> >
> > -static struct intel_bw_state *
> > +struct intel_bw_state *
> > +intel_atomic_get_old_bw_state(struct intel_atomic_state *state)
> > +{
> > + struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> > + struct intel_global_state *bw_state;
> > +
> > + bw_state = intel_atomic_get_old_global_obj_state(state,
> > &dev_priv->bw_obj);
> > + if (IS_ERR(bw_state))
> > + return ERR_CAST(bw_state);
> > +
> > + return to_intel_bw_state(bw_state);
> > +}
> > +
> > +struct intel_bw_state *
> > +intel_atomic_get_new_bw_state(struct intel_atomic_state *state)
> > +{
> > + struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> > + struct intel_global_state *bw_state;
> > + bw_state = intel_atomic_get_new_global_obj_state(state,
> > &dev_priv->bw_obj);
> > +
> > + if (IS_ERR(bw_state))
> > + return ERR_CAST(bw_state);
> > +
> > + return to_intel_bw_state(bw_state);
> > +}
> > +
> > +struct intel_bw_state *
> > intel_atomic_get_bw_state(struct intel_atomic_state *state)
> > {
> > struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> > diff --git a/drivers/gpu/drm/i915/display/intel_bw.h
> > b/drivers/gpu/drm/i915/display/intel_bw.h
> > index a8aa7624c5aa..ac004d6f4276 100644
> > --- a/drivers/gpu/drm/i915/display/intel_bw.h
> > +++ b/drivers/gpu/drm/i915/display/intel_bw.h
> > @@ -24,6 +24,15 @@ struct intel_bw_state {
> >
> > #define to_intel_bw_state(x) container_of((x), struct
> > intel_bw_state, base)
> >
> > +struct intel_bw_state *
> > +intel_atomic_get_old_bw_state(struct intel_atomic_state *state);
> > +
> > +struct intel_bw_state *
> > +intel_atomic_get_new_bw_state(struct intel_atomic_state *state);
> > +
> > +struct intel_bw_state *
> > +intel_atomic_get_bw_state(struct intel_atomic_state *state);
> > +
>
> I'm trying to promote a convention that a module foo_bar.[ch] would
> export functions prefixed foo_bar_. Here, intel_bw_* like below.
I'm fine with that. However most of the functions in this file have
intel_atomic_* prefix, so if I now follow this convention it won't be
consistent with current naming in the file.
Anyway if this is now mandatory, will change it. Just will wait now
first if CI doesn't blow up with this series, as I haven't rebased it
for a while..
Stan
>
> BR,
> Jani.
>
>
> > void intel_bw_init_hw(struct drm_i915_private *dev_priv);
> > int intel_bw_init(struct drm_i915_private *dev_priv);
> > int intel_bw_atomic_check(struct intel_atomic_state *state);
>
>
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