In the drm subsystem, the source physical address is, in most cases,
available without having to parse the EDID again. Add notes about
preferring to use the pre-parsed address instead.
Cc: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/media/cec/core/cec-adap.c | 4 ++++
drivers/media/cec/core/cec-notifier.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c
index 241b1621b197..2c627ed611ed 100644
--- a/drivers/media/cec/core/cec-adap.c
+++ b/drivers/media/cec/core/cec-adap.c
@@ -1688,6 +1688,10 @@ void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
}
EXPORT_SYMBOL_GPL(cec_s_phys_addr);
+/*
+ * Note: In the drm subsystem, prefer calling cec_s_phys_addr() with
+ * connector->display_info.source_physical_address if possible.
+ */
void cec_s_phys_addr_from_edid(struct cec_adapter *adap,
const struct edid *edid)
{
diff --git a/drivers/media/cec/core/cec-notifier.c b/drivers/media/cec/core/cec-notifier.c
index 389dc664b211..13f043b3025b 100644
--- a/drivers/media/cec/core/cec-notifier.c
+++ b/drivers/media/cec/core/cec-notifier.c
@@ -195,6 +195,10 @@ void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
}
EXPORT_SYMBOL_GPL(cec_notifier_set_phys_addr);
+/*
+ * Note: In the drm subsystem, prefer calling cec_notifier_set_phys_addr() with
+ * connector->display_info.source_physical_address if possible.
+ */
void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
const struct edid *edid)
{
--
2.39.2
