diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-07-17 19:16:39 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-09-25 16:05:32 +0300 |
| commit | 1382e56627031315e4edb9e856848853b7d8079d (patch) | |
| tree | f2f5894f8b5fac481482bc66b316b7def82e955f /lib | |
| parent | 94540e34bddfb728ac5acad96453dee666136945 (diff) | |
lib: Add DIV_ROUND_UP()
Add DIV_ROUND_UP() and replace some hand rolled versions with it.
v2: Drop the duplicate from gem_render_copy() (Paulo)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_aux.h | 2 | ||||
| -rw-r--r-- | lib/igt_fb.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/lib/igt_aux.h b/lib/igt_aux.h index 192c3ad8..fb02c026 100644 --- a/lib/igt_aux.h +++ b/lib/igt_aux.h @@ -293,4 +293,6 @@ void igt_lsof(const char *dpath); #define roundup_power_of_two(x) ((x) != 0 ? 1 << igt_fls((x) - 1) : 0) +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) + #endif /* IGT_AUX_H */ diff --git a/lib/igt_fb.c b/lib/igt_fb.c index 21866e7d..f88d4067 100644 --- a/lib/igt_fb.c +++ b/lib/igt_fb.c @@ -193,7 +193,7 @@ void igt_get_fb_tile_size(int fd, uint64_t tiling, int fb_bpp, static unsigned planar_width(struct format_desc_struct *format, unsigned width, int plane) { if (format->drm_id == DRM_FORMAT_NV12 && plane == 1) - return (width + 1) / 2; + return DIV_ROUND_UP(width, 2); return width; } @@ -208,7 +208,7 @@ static unsigned planar_stride(struct format_desc_struct *format, unsigned width, static unsigned planar_height(struct format_desc_struct *format, unsigned height, int plane) { if (format->drm_id == DRM_FORMAT_NV12 && plane == 1) - return (height + 1) / 2; + return DIV_ROUND_UP(height, 2); return height; } |