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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>
This commit is contained in:
Damien Lespiau 2013-10-15 18:55:38 +01:00 committed by Daniel Vetter
parent 0c912c79ee
commit 7cd6ccff85
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/i915/i915_debugfs.c
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@ -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;
}