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-rw-r--r--include/drm/drm_crtc.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 6ef59da3fd8e..24dcb121bad4 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -590,9 +590,12 @@ struct drm_crtc_funcs {
* When CRC generation is enabled, the driver should call
* drm_crtc_add_crc_entry() at each frame, providing any information
* that characterizes the frame contents in the crcN arguments, as
- * provided from the configured source. Drivers must accept a "auto"
+ * provided from the configured source. Drivers must accept an "auto"
* source name that will select a default source for this CRTC.
*
+ * Note that "auto" can depend upon the current modeset configuration,
+ * e.g. it could pick an encoder or output specific CRC sampling point.
+ *
* This callback is optional if the driver does not support any CRC
* generation functionality.
*