From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
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;
}
--
2.4.10
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