[PATCH 12/16] drm/i915: Add log messages when CRCs collection is started/stopped

Damien Lespiau
2013-10-15T17:56:03Z

drivers/gpu/drm/i915/i915_debugfs.c | 6 ++++++
1 file changed, 6 insertions(+)

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;
}
--
1.8.3.1