From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
If no one is looking at the CRCs, stop gathering them.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index eb61c4b..e7470b8 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2294,12 +2294,25 @@ out:
return len;
}
+static int display_crc_ctl_release(struct inode *inode, struct file *file)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_device *dev = m->private;
+ enum pipe pipe;
+
+ /* stop gathering CRCs */
+ for_each_pipe(pipe)
+ pipe_crc_set_source(dev, pipe, INTEL_PIPE_CRC_SOURCE_NONE);
+
+ return single_release(inode, file);
+}
+
static const struct file_operations i915_display_crc_ctl_fops = {
.owner = THIS_MODULE,
.open = display_crc_ctl_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = display_crc_ctl_release,
.write = display_crc_ctl_write
};
--
1.8.1.5
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
