This is a note to let you know that I've just added the patch titled
drm/bridge: it6505: Change definition MAX_HDCP_DOWN_STREAM_COUNT
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-bridge-it6505-change-definition-max_hdcp_down_st.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5afb72b95f21b9816823647f772b3d03a528493d
Author: Hermes Wu <hermes.wu@xxxxxxxxxx>
Date: Mon Dec 30 18:51:22 2024 +0800
drm/bridge: it6505: Change definition MAX_HDCP_DOWN_STREAM_COUNT
[ Upstream commit 85597bc0d70c287ba41f17d14d3d857a38a3d727 ]
A HDCP source device shall support max downstream to 127 devices.
Change definition MAX_HDCP_DOWN_STREAM_COUNT to 127
KSVs shall save for DRM blocked devices check.
This results in struct it6505 growth by ~0.5 KiB.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Hermes Wu <hermes.wu@xxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20241230-v7-upstream-v7-4-e0fdd4844703@xxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index cf891e7677c0e..d55d7dad9545f 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -296,7 +296,7 @@
#define MAX_LANE_COUNT 4
#define MAX_LINK_RATE HBR
#define AUTO_TRAIN_RETRY 3
-#define MAX_HDCP_DOWN_STREAM_COUNT 10
+#define MAX_HDCP_DOWN_STREAM_COUNT 127
#define MAX_CR_LEVEL 0x03
#define MAX_EQ_LEVEL 0x03
#define AUX_WAIT_TIMEOUT_MS 15
