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[15/50] drm/i915: Add log messages when CRCs collection is started/stopped

Message ID 1406258918-18934-16-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal July 25, 2014, 3:28 a.m. UTC 
From: Damien Lespiau <damien.lespiau@intel.com>

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 7cd6ccff85a13a8e5755cffa50129032d83c7c72)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 471c258..dee85d7 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1822,6 +1822,9 @@  static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
 
 	/* none -> real source transition */
 	if (source) {
+		DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n",
+				 pipe_name(pipe), pipe_crc_source_name(source));
+
 		pipe_crc->entries = kzalloc(sizeof(*pipe_crc->entries) *
 					    INTEL_PIPE_CRC_ENTRIES_NR,
 					    GFP_KERNEL);
@@ -1855,6 +1858,9 @@  static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
 
 	/* real source -> none transition */
 	if (source == INTEL_PIPE_CRC_SOURCE_NONE) {
+		DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
+				 pipe_name(pipe));
+
 		kfree(pipe_crc->entries);
 		pipe_crc->entries = NULL;
 	}