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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-05-24 17:51:36 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-05-31 10:59:41 +0300 |
| commit | 99cdb35e787b277bc66ed9fe7d5f9852de9e0eb0 (patch) | |
| tree | b36fde05a9fd70486be58e3617ed0c0a3c8c0c56 /include/drm/drm_rect.h | |
| parent | e7cc23de3e4e9222ae4fd24a00583aa5d2ed7610 (diff) | |
| download | linux-99cdb35e787b277bc66ed9fe7d5f9852de9e0eb0.tar.xz | |
drm/doc: move printf helpers out of drmP.h
And document them lightly. Unfortunately kernel-doc isn't the most
awesome for documenting #defines that don't look like functions, it
makes functions out of them :-/
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-2-daniel.vetter@ffwll.ch
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-3-daniel.vetter@ffwll.ch
Diffstat (limited to 'include/drm/drm_rect.h')
| -rw-r--r-- | include/drm/drm_rect.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h index 83bb156d4356..44bc122b9ee0 100644 --- a/include/drm/drm_rect.h +++ b/include/drm/drm_rect.h @@ -43,6 +43,33 @@ struct drm_rect { }; /** + * DRM_RECT_FMT - printf string for &struct drm_rect + */ +#define DRM_RECT_FMT "%dx%d%+d%+d" +/** + * DRM_RECT_ARG - printf arguments for &struct drm_rect + * @r: rectangle struct + */ +#define DRM_RECT_ARG(r) drm_rect_width(r), drm_rect_height(r), (r)->x1, (r)->y1 + +/** + * DRM_RECT_FP_FMT - printf string for &struct drm_rect in 16.16 fixed point + */ +#define DRM_RECT_FP_FMT "%d.%06ux%d.%06u%+d.%06u%+d.%06u" +/** + * DRM_RECT_FP_ARG - printf arguments for &struct drm_rect in 16.16 fixed point + * @r: rectangle struct + * + * This is useful for e.g. printing plane source rectangles, which are in 16.16 + * fixed point. + */ +#define DRM_RECT_FP_ARG(r) \ + drm_rect_width(r) >> 16, ((drm_rect_width(r) & 0xffff) * 15625) >> 10, \ + drm_rect_height(r) >> 16, ((drm_rect_height(r) & 0xffff) * 15625) >> 10, \ + (r)->x1 >> 16, (((r)->x1 & 0xffff) * 15625) >> 10, \ + (r)->y1 >> 16, (((r)->y1 & 0xffff) * 15625) >> 10 + +/** * drm_rect_adjust_size - adjust the size of the rectangle * @r: rectangle to be adjusted * @dw: horizontal adjustment |