Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@xxxxxxxxxxx> --- drivers/gpu/drm/drm_framebuffer.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index aff3746dedfb..49df3ca3b3ee 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -73,6 +73,21 @@ * drm_framebuffer. */ +/** + * drm_framebuffer_check_src_coords - check if the source with given + * coordinates and sizes is inside the framebuffer + * @src_x: source x coordinate + * @src_y: source y coordinate + * @src_w: source width + * @src_h: source height + * @fb: pointer to the framebuffer to check + * + * This function checks if an object with the given set of coordinates and + * sizes fits inside the framebuffer by looking at its size. + * + * Returns: + * Zero on success, negative errno on failure. + */ int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h, const struct drm_framebuffer *fb) @@ -82,7 +97,6 @@ int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y, fb_width = fb->width << 16; fb_height = fb->height << 16; - /* Make sure source coordinates are inside the fb. */ if (src_w > fb_width || src_x > fb_width - src_w || src_h > fb_height || -- 2.41.0
