drm: Print the fb dimensions when the src coord check fails

When debugging bad plane source coordinates it helps to have an
idea of what the framebuffer dimensions are.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171101183533.28466-1-ville.syrjala@linux.intel.com

drivers/gpu/drm/drm_atomic.c

@@ -907,11 +907,12 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
 	    state->src_h > fb_height ||
 	    state->src_y > fb_height - state->src_h) {
 		DRM_DEBUG_ATOMIC("Invalid source coordinates "
-				 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
+				 "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n",
 				 state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10,
 				 state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10,
 				 state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10,
-				 state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10);
+				 state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10,
+				 state->fb->width, state->fb->height);
 		return -ENOSPC;
 	}
 

drivers/gpu/drm/drm_framebuffer.c

@@ -78,11 +78,12 @@ int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y,
 	    src_h > fb_height ||
 	    src_y > fb_height - src_h) {
 		DRM_DEBUG_KMS("Invalid source coordinates "
-			      "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
+			      "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n",
 			      src_w >> 16, ((src_w & 0xffff) * 15625) >> 10,
 			      src_h >> 16, ((src_h & 0xffff) * 15625) >> 10,
 			      src_x >> 16, ((src_x & 0xffff) * 15625) >> 10,
-			      src_y >> 16, ((src_y & 0xffff) * 15625) >> 10);
+			      src_y >> 16, ((src_y & 0xffff) * 15625) >> 10,
+			      fb->width, fb->height);
 		return -ENOSPC;
 	}