Re: [PATCH v2 5/5] drm/komeda: add rate limiting disable to err_verbosity

[james qian wang (Arm Technology China)]

On Tue, Nov 12, 2019 at 07:24:16PM +0100, Daniel Vetter wrote:
> On Tue, Nov 12, 2019 at 2:00 PM Mihail Atanassov
> <Mihail.Atanassov@xxxxxxx> wrote:
> >
> > On Monday, 11 November 2019 15:53:14 GMT Liviu Dudau wrote:
> > > On Thu, Nov 07, 2019 at 11:42:44AM +0000, Mihail Atanassov wrote:
> > > > It's possible to get multiple events in a single frame/flip, so add an
> > > > option to print them all.
> > > >
> > > > Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@xxxxxxx>
> > > > Signed-off-by: Mihail Atanassov <mihail.atanassov@xxxxxxx>
> > >
> > > For the whole series:
> > >
> > > Acked-by: Liviu Dudau <liviu.dudau@xxxxxxx>
> >
> > Thanks, applied to drm-misc-next.
> 
> And now komeda doesn't even compile anymore. I'm ... impressed.
> 
> I mean generally people break other people's driver, not their own.
> -Daniel

Hi Daniel:

Real Real sorry, we will find a way to avoid such stupid problem.

And the fix is: https://patchwork.freedesktop.org/series/69386/

Best regards,
James
> > >
> > > Best regards,
> > > Liviu
> > >
> > > > ---
> > > >
> > > >  v2: Clean up continuation line warning from checkpatch.
> > > >
> > > >  drivers/gpu/drm/arm/display/komeda/komeda_dev.h   | 2 ++
> > > >  drivers/gpu/drm/arm/display/komeda/komeda_event.c | 2 +-
> > > >  2 files changed, 3 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
> > > > index d9fc9c48859a..15f52e304c08 100644
> > > > --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
> > > > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
> > > > @@ -224,6 +224,8 @@ struct komeda_dev {
> > > >  #define KOMEDA_DEV_PRINT_INFO_EVENTS BIT(2)
> > > >     /* Dump DRM state on an error or warning event. */
> > > >  #define KOMEDA_DEV_PRINT_DUMP_STATE_ON_EVENT BIT(8)
> > > > +   /* Disable rate limiting of event prints (normally one per commit) */
> > > > +#define KOMEDA_DEV_PRINT_DISABLE_RATELIMIT BIT(12)
> > > >  };
> > > >
> > > >  static inline bool
> > > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_event.c b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
> > > > index 7fd624761a2b..bf269683f811 100644
> > > > --- a/drivers/gpu/drm/arm/display/komeda/komeda_event.c
> > > > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
> > > > @@ -119,7 +119,7 @@ void komeda_print_events(struct komeda_events *evts, struct drm_device *dev)
> > > >     /* reduce the same msg print, only print the first evt for one frame */
> > > >     if (evts->global || is_new_frame(evts))
> > > >             en_print = true;
> > > > -   if (!en_print)
> > > > +   if (!(err_verbosity & KOMEDA_DEV_PRINT_DISABLE_RATELIMIT) && !en_print)
> > > >             return;
> > > >
> > > >     if (err_verbosity & KOMEDA_DEV_PRINT_ERR_EVENTS)
> > > > --
> > > > 2.23.0
> > > >
> > >
> > > --
> > > ====================
> > > | I would like to |
> > > | fix the world,  |
> > > | but they're not |
> > > | giving me the   |
> > >  \ source code!  /
> > >   ---------------
> > >     Â\_(ã)_/Â
> > >
> >
> >
> > --
> > Mihail
> >
> >
> >
> 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch