Re: [PATCH] drm/amd/display: hide an unused variable

[Alex Deucher]

On Thu, Sep 19, 2019 at 9:45 AM Harry Wentland <hwentlan@xxxxxxx> wrote:
>
> On 2019-09-18 3:53 p.m., Arnd Bergmann wrote:
> > Without CONFIG_DEBUG_FS, we get a warning for an unused
> > variable:
> >
> > drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6020:33: error: unused variable 'source' [-Werror,-Wunused-variable]
> >
> > Hide the variable in an #ifdef like its only users.
> >
> > Fixes: 14b2584636c6 ("drm/amd/display: add functionality to grab DPRX CRC entries.")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
>

Applied.  thanks!

Alex

> Harry
>
> > ---
> >  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > index e1b09bb432bd..74252f57bafb 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -6017,7 +6017,9 @@ static void amdgpu_dm_enable_crtc_interrupts(struct drm_device *dev,
> >       struct drm_crtc *crtc;
> >       struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> >       int i;
> > +#ifdef CONFIG_DEBUG_FS
> >       enum amdgpu_dm_pipe_crc_source source;
> > +#endif
> >
> >       for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
> >                                     new_crtc_state, i) {
> >
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