4.14-stable review patch. If anyone has any objections, please let me know.
------------------
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-em... 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: