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drm: Add "prefix" parameter to drm_rect_debug_print() 

Allow the caller to specify a "prefix" string to drm_rect_debug_print()
to make it easier to see which drm_rect is being printed.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-11-16 17:02:36 +02:00 committed by Daniel Vetter
parent 02e6f379ec
commit c70f577a23
3 changed files with 10 additions and 8 deletions
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7
drivers/gpu/drm/drm_rect.c
View File

@ -275,22 +275,23 @@ EXPORT_SYMBOL(drm_rect_calc_vscale_relaxed);
/**
* drm_rect_debug_print - print the rectangle information
* @prefix: prefix string
* @r: rectangle to print
* @fixed_point: rectangle is in 16.16 fixed point format
*/
void drm_rect_debug_print(const struct drm_rect *r, bool fixed_point)
void drm_rect_debug_print(const char *prefix, const struct drm_rect *r, bool fixed_point)
{
int w = drm_rect_width(r);
int h = drm_rect_height(r);
if (fixed_point)
DRM_DEBUG_KMS("%d.%06ux%d.%06u%+d.%06u%+d.%06u\n",
DRM_DEBUG_KMS("%s%d.%06ux%d.%06u%+d.%06u%+d.%06u\n", prefix,
w >> 16, ((w & 0xffff) * 15625) >> 10,
h >> 16, ((h & 0xffff) * 15625) >> 10,
r->x1 >> 16, ((r->x1 & 0xffff) * 15625) >> 10,
r->y1 >> 16, ((r->y1 & 0xffff) * 15625) >> 10);
else
DRM_DEBUG_KMS("%dx%d%+d%+d\n", w, h, r->x1, r->y1);
DRM_DEBUG_KMS("%s%dx%d%+d%+d\n", prefix, w, h, r->x1, r->y1);
}
EXPORT_SYMBOL(drm_rect_debug_print);

8
drivers/gpu/drm/i915/intel_sprite.c
View File

@ -832,8 +832,8 @@ intel_check_sprite_plane(struct drm_plane *plane,
hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
if (hscale < 0) {
DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
drm_rect_debug_print(src, true);
drm_rect_debug_print(dst, false);
drm_rect_debug_print("src: ", src, true);
drm_rect_debug_print("dst: ", dst, false);
return hscale;
}
@ -841,8 +841,8 @@ intel_check_sprite_plane(struct drm_plane *plane,
vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
if (vscale < 0) {
DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
drm_rect_debug_print(src, true);
drm_rect_debug_print(dst, false);
drm_rect_debug_print("src: ", src, true);
drm_rect_debug_print("dst: ", dst, false);
return vscale;
}

3
include/drm/drm_rect.h
View File

@ -162,7 +162,8 @@ int drm_rect_calc_hscale_relaxed(struct drm_rect *src,
int drm_rect_calc_vscale_relaxed(struct drm_rect *src,
struct drm_rect *dst,
int min_vscale, int max_vscale);
void drm_rect_debug_print(const struct drm_rect *r, bool fixed_point);
void drm_rect_debug_print(const char *prefix,
const struct drm_rect *r, bool fixed_point);
void drm_rect_rotate(struct drm_rect *r,
int width, int height,
unsigned int rotation);