From: Ville Syrjälä ville.syrjala@linux.intel.com
To aid in debugging failures, print the src,dst,clip rectangles when drm_plane_helper_check_update() fails.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/drm_plane_helper.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index d384ebc..a6983d4 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -164,6 +164,8 @@ int drm_plane_helper_check_update(struct drm_plane *plane, vscale = drm_rect_calc_vscale(src, dest, min_scale, max_scale); if (hscale < 0 || vscale < 0) { DRM_DEBUG_KMS("Invalid scaling of plane\n"); + drm_rect_debug_print("src: ", src, true); + drm_rect_debug_print("dst: ", dest, false); return -ERANGE; }
@@ -180,6 +182,8 @@ int drm_plane_helper_check_update(struct drm_plane *plane,
if (!can_position && !drm_rect_equals(dest, clip)) { DRM_DEBUG_KMS("Plane must cover entire CRTC\n"); + drm_rect_debug_print("dst: ", dest, false); + drm_rect_debug_print("clip: ", clip, false); return -EINVAL; }