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@st.com
Acked-by: Thomas Zimmermann tzimmermann@suse.de
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;