Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1328833

Re: [PATCH] drm/gma500: remove helper function

Show key headers only | View raw

On Sat, Feb 06, 2016 at 06:09:13PM +0100, Patrik Jakobsson wrote:
> On Tue, Feb 2, 2016 at 7:05 AM, Sudip Mukherjee
> <sudipm.mukherjee@gmail.com> wrote:
> > We were getting build warning about:
> > drivers/gpu/drm/gma500/mdfld_dsi_output.c:407:2: warning: initialization
> >         from incompatible pointer type
> >
> > The callback to dpms was pointing to a helper function which had a
> > return type of void, whereas the callback should point to a function
> > which has a return type of int.
> > On closer look it turned out that we do not need the helper function
> > since if we call drm_helper_connector_dpms() directly, the first check
> > that drm_helper_connector_dpms() does is: if (mode == connector->dpms)
> >
> > Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> 
> Looks good, thanks.
> 
> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

Applied to drm-misc, thanks.
-Daniel

> 
> > ---
> >  drivers/gpu/drm/gma500/mdfld_dsi_output.c | 12 +-----------
> >  1 file changed, 1 insertion(+), 11 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
> > index d758f4c..907cb51 100644
> > --- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c
> > +++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
> > @@ -382,16 +382,6 @@ static int mdfld_dsi_connector_mode_valid(struct drm_connector *connector,
> >         return MODE_OK;
> >  }
> >
> > -static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
> > -{
> > -       if (mode == connector->dpms)
> > -               return;
> > -
> > -       /*first, execute dpms*/
> > -
> > -       drm_helper_connector_dpms(connector, mode);
> > -}
> > -
> >  static struct drm_encoder *mdfld_dsi_connector_best_encoder(
> >                                 struct drm_connector *connector)
> >  {
> > @@ -404,7 +394,7 @@ static struct drm_encoder *mdfld_dsi_connector_best_encoder(
> >
> >  /*DSI connector funcs*/
> >  static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
> > -       .dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
> > +       .dpms = drm_helper_connector_dpms,
> >         .detect = mdfld_dsi_connector_detect,
> >         .fill_modes = drm_helper_probe_single_connector_modes,
> >         .set_property = mdfld_dsi_connector_set_property,
> > --
> > 1.9.1
> >

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] drm/gma500: remove helper function Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-02-02 07:10 +0100
  Re: [PATCH] drm/gma500: remove helper function Patrik Jakobsson <patrik.r.jakobsson@gmail.com> - 2016-02-06 18:10 +0100
    Re: [PATCH] drm/gma500: remove helper function Daniel Vetter <daniel@ffwll.ch> - 2016-02-08 10:10 +0100

csiph-web