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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
This commit is contained in:
Daniel Vetter 2017-05-24 16:51:36 +02:00
parent e7cc23de3e
commit 99cdb35e78
3 changed files with 44 additions and 17 deletions
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17
include/drm/drmP.h
View File

@ -292,23 +292,6 @@ struct pci_controller;
/* Format strings and argument splitters to simplify printing
* various "complex" objects
*/
#define DRM_MODE_FMT "%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x"
#define DRM_MODE_ARG(m) \
(m)->base.id, (m)->name, (m)->vrefresh, (m)->clock, \
(m)->hdisplay, (m)->hsync_start, (m)->hsync_end, (m)->htotal, \
(m)->vdisplay, (m)->vsync_start, (m)->vsync_end, (m)->vtotal, \
(m)->type, (m)->flags
#define DRM_RECT_FMT "%dx%d%+d%+d"
#define DRM_RECT_ARG(r) drm_rect_width(r), drm_rect_height(r), (r)->x1, (r)->y1
/* for rect's in fixed-point format: */
#define DRM_RECT_FP_FMT "%d.%06ux%d.%06u%+d.%06u%+d.%06u"
#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
/*@}*/

17
include/drm/drm_modes.h
View File

@ -197,6 +197,8 @@ enum drm_mode_status {
* there's the hardware timings, which are corrected for interlacing,
* double-clocking and similar things. They are provided as a convenience, and
* can be appropriately computed using drm_mode_set_crtcinfo().
*
* For printing you can use %DRM_MODE_FMT and DRM_MODE_ARG().
*/
struct drm_display_mode {
/**
@ -407,6 +409,21 @@ struct drm_display_mode {
enum hdmi_picture_aspect picture_aspect_ratio;
};
/**
* DRM_MODE_FMT - printf string for &struct drm_display_mode
*/
#define DRM_MODE_FMT "%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x"
/**
* DRM_MODE_ARG - printf arguments for &struct drm_display_mode
* @m: display mode
*/
#define DRM_MODE_ARG(m) \
(m)->base.id, (m)->name, (m)->vrefresh, (m)->clock, \
(m)->hdisplay, (m)->hsync_start, (m)->hsync_end, (m)->htotal, \
(m)->vdisplay, (m)->vsync_start, (m)->vsync_end, (m)->vtotal, \
(m)->type, (m)->flags
#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
/**

27
include/drm/drm_rect.h
View File

@ -42,6 +42,33 @@ struct drm_rect {
int x1, y1, x2, y2;
};
/**
* 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