| From foo@baz Thu Feb 1 14:00:34 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@microsoft.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: |
