drm/i915: Print the changes required for modeset

After computing the stage changes for the set_config, record those in
the debug log.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d2dec3ff308a..a87bb93a0f63 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8880,6 +8880,9 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set,
                 drm_mode_debug_printmodeline(set->mode);
                 config->mode_changed = true;
         }
+
+        DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n",
+                        set->crtc->base.id, config->mode_changed, config->fb_changed);
 }
 
 static int