drm/i915: Add log messages when CRCs collection is started/stopped

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 471c2585e5bc..dee85d7ab52f 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;
         }