This is a note to let you know that I've just added the patch titled
drm/bridge: tc358767: fix DP0_MISC register set
to the 4.14-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-tc358767-fix-dp0_misc-register-set.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Feb 1 13:45:42 CET 2018
From: Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>
Date: Tue, 7 Nov 2017 19:56:21 +0300
Subject: drm/bridge: tc358767: fix DP0_MISC register set
From: Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>
[ Upstream commit f3b8adbe1911f66fd3cab1aaa74f0f66b7ceda25 ]
Remove shift from TU_SIZE_RECOMMENDED define as it used to
calculate max_tu_symbols.
Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-4-git-send-email-andrey.gusakov@xxxxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/tc358767.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -97,7 +97,7 @@
#define DP0_ACTIVEVAL 0x0650
#define DP0_SYNCVAL 0x0654
#define DP0_MISC 0x0658
-#define TU_SIZE_RECOMMENDED (0x3f << 16) /* LSCLK cycles per TU */
+#define TU_SIZE_RECOMMENDED (63) /* LSCLK cycles per TU */
#define BPC_6 (0 << 5)
#define BPC_8 (1 << 5)
@@ -716,7 +716,8 @@ static int tc_set_video_mode(struct tc_d
* Must be less than tu_size.
*/
max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
- tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);
+ tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |
+ BPC_8);
return 0;
err:
Patches currently in stable-queue which might be from andrey.gusakov@xxxxxxxxxxxxxxxxxx are
queue-4.14/drm-bridge-tc358767-fix-timing-calculations.patch
queue-4.14/drm-bridge-tc358767-fix-auxdatan-registers-access.patch
queue-4.14/drm-bridge-tc358767-filter-out-too-high-modes.patch
queue-4.14/drm-bridge-tc358767-fix-1-lane-behavior.patch
queue-4.14/drm-bridge-tc358767-fix-dp0_misc-register-set.patch
queue-4.14/drm-bridge-tc358767-do-no-fail-on-hi-res-displays.patch