[Intel-gfx] [PATCH 03/23] drm/i915: Improve staged config logging

[Ander Conselvan de Oliveira]

When logging that full mode switch is necessary, log which connector,
encoder or crtc has caused it, so it is easier to figure out what is
goind on by just looking at the log.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3417e17..798de7b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11503,7 +11503,9 @@ intel_modeset_stage_output_state(struct drm_device *dev,
 
 
 		if (&connector->new_encoder->base != connector->base.encoder) {
-			DRM_DEBUG_KMS("encoder changed, full mode switch\n");
+			DRM_DEBUG_KMS("[CONNECTOR:%d:%s] encoder changed, full mode switch\n",
+				      connector->base.base.id,
+				      connector->base.name);
 			config->mode_changed = true;
 		}
 	}
@@ -11554,7 +11556,9 @@ intel_modeset_stage_output_state(struct drm_device *dev,
 		/* Only now check for crtc changes so we don't miss encoders
 		 * that will be disabled. */
 		if (&encoder->new_crtc->base != encoder->base.crtc) {
-			DRM_DEBUG_KMS("crtc changed, full mode switch\n");
+			DRM_DEBUG_KMS("[ENCODER:%d:%s] crtc changed, full mode switch\n",
+				      encoder->base.base.id,
+				      encoder->base.name);
 			config->mode_changed = true;
 		}
 	}
@@ -11575,7 +11579,8 @@ intel_modeset_stage_output_state(struct drm_device *dev,
 		}
 
 		if (crtc->new_enabled != crtc->base.state->enable) {
-			DRM_DEBUG_KMS("crtc %sabled, full mode switch\n",
+			DRM_DEBUG_KMS("[CRTC:%d] %sabled, full mode switch\n",
+				      crtc->base.base.id,
 				      crtc->new_enabled ? "en" : "dis");
 			config->mode_changed = true;
 		}
-- 
2.1.0