[Nouveau] [PATCH] drm/nouveau: add default debug level override

[Ben Skeggs]

On Thursday, September 13, 2012, Marcin Slusarz wrote:

> On Thu, Sep 13, 2012 at 12:09:20PM +1000, Ben Skeggs wrote:
> > On Thu, Sep 13, 2012 at 12:50:06AM +0200, Marcin Slusarz wrote:
> > > Useful when we don't know which subsystem is failing.
> > This is really unnecessary unless I'm missing something.  You can pass
> nouveau.debug=LEVEL (without specifying a subdev name) to set the default
> already.
>
> Does not work for me: http://bpaste.net/show/45252/

nouveau.debug=paranoia ;)

As mentioned previously, i'll document this somewhere.


> (ignore gpio debugging messages - I'm looking for suspend regression)
>
> > >
> > > Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com <javascript:;>
> >
> > > ---
> > >  drivers/gpu/drm/nouveau/core/core/option.c | 9 ++++++++-
> > >  1 file changed, 8 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/gpu/drm/nouveau/core/core/option.c
> b/drivers/gpu/drm/nouveau/core/core/option.c
> > > index 62a432e..fde06b0 100644
> > > --- a/drivers/gpu/drm/nouveau/core/core/option.c
> > > +++ b/drivers/gpu/drm/nouveau/core/core/option.c
> > > @@ -22,9 +22,16 @@
> > >   * Authors: Ben Skeggs
> > >   */
> > >
> > > +#include <linux/module.h>
> > >  #include <core/option.h>
> > >  #include <core/debug.h>
> > >
> > > +MODULE_PARM_DESC(debug_level, "nv_printk level (0-"
> > > +           __stringify(CONFIG_NOUVEAU_DEBUG) ", default "
> > > +           __stringify(CONFIG_NOUVEAU_DEBUG_DEFAULT) ")");
> > > +static int nouveau_debug_level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
> > > +module_param_named(debug_level, nouveau_debug_level, int, 0400);
> > > +
> > >  /* compares unterminated string 'str' with zero-terminated string
> 'cmp' */
> > >  static inline int
> > >  strncasecmpz(const char *str, const char *cmp, size_t len)
> > > @@ -86,7 +93,7 @@ nouveau_boolopt(const char *optstr, const char *opt,
> bool value)
> > >  int
> > >  nouveau_dbgopt(const char *optstr, const char *sub)
> > >  {
> > > -   int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
> > > +   int mode = 1, level = nouveau_debug_level;
> > >
> > >     while (optstr) {
> > >             int len = strcspn(optstr, ",=");
> > > --
> > > 1.7.12
> > >
>
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