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-rw-r--r--drivers/gpu/drm/drm_rect.c22
-rw-r--r--include/drm/drm_rect.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c
index dc11a2867f20..7047ca025787 100644
--- a/drivers/gpu/drm/drm_rect.c
+++ b/drivers/gpu/drm/drm_rect.c
@@ -24,6 +24,7 @@
#include <linux/errno.h>
#include <linux/export.h>
#include <linux/kernel.h>
+#include <drm/drmP.h>
#include <drm/drm_rect.h>
/**
@@ -271,3 +272,24 @@ int drm_rect_calc_vscale_relaxed(struct drm_rect *src,
return vscale;
}
EXPORT_SYMBOL(drm_rect_calc_vscale_relaxed);
+
+/**
+ * drm_rect_debug_print - print the rectangle information
+ * @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)
+{
+ 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",
+ 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);
+}
+EXPORT_SYMBOL(drm_rect_debug_print);
diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h
index de24f16a3c4f..fe767b757c8c 100644
--- a/include/drm/drm_rect.h
+++ b/include/drm/drm_rect.h
@@ -140,5 +140,6 @@ 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);
#endif