Hi Am 10.12.19 um 11:24 schrieb Benjamin Gaignard: > Some variables are set but never used. To avoid warning when compiling > with W=1 and keep the algorithm like it is tag theses variables > with _maybe_unused macro. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx> Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx> > --- > changes in this version: > - do not modify the code to remove the unused variables > just prefix them with __maybe_unused macro. > > drivers/gpu/drm/drm_modes.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c > index 88232698d7a0..70aed4e2990d 100644 > --- a/drivers/gpu/drm/drm_modes.c > +++ b/drivers/gpu/drm/drm_modes.c > @@ -233,7 +233,7 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, > /* 3) Nominal HSync width (% of line period) - default 8 */ > #define CVT_HSYNC_PERCENTAGE 8 > unsigned int hblank_percentage; > - int vsyncandback_porch, vback_porch, hblank; > + int vsyncandback_porch, __maybe_unused vback_porch, hblank; > > /* estimated the horizontal period */ > tmp1 = HV_FACTOR * 1000000 - > @@ -386,9 +386,10 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay, > int top_margin, bottom_margin; > int interlace; > unsigned int hfreq_est; > - int vsync_plus_bp, vback_porch; > - unsigned int vtotal_lines, vfieldrate_est, hperiod; > - unsigned int vfield_rate, vframe_rate; > + int vsync_plus_bp, __maybe_unused vback_porch; > + unsigned int vtotal_lines, __maybe_unused vfieldrate_est; > + unsigned int __maybe_unused hperiod; > + unsigned int vfield_rate, __maybe_unused vframe_rate; > int left_margin, right_margin; > unsigned int total_active_pixels, ideal_duty_cycle; > unsigned int hblank, total_pixels, pixel_freq; > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer
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