Patch "drm/bridge: tc358767: fix DP0_MISC register set" has been added to the 4.14-stable tree

Patch "drm/bridge: tc358767: fix DP0_MISC register set" has been added to the 4.14-stable tree

[gregkh]

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@vger.kernel.org> know about it.


>From foo@baz Thu Feb  1 13:45:42 CET 2018
From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Date: Tue, 7 Nov 2017 19:56:21 +0300
Subject: drm/bridge: tc358767: fix DP0_MISC register set

From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>


[ Upstream commit f3b8adbe1911f66fd3cab1aaa74f0f66b7ceda25 ]

Remove shift from TU_SIZE_RECOMMENDED define as it used to
calculate max_tu_symbols.

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-4-git-send-email-andrey.gusakov@cogentembedded.com
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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@cogentembedded.com 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