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| author | Andrey Gusakov <andrey.gusakov@cogentembedded.com> | 2017-11-07 19:56:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-03 17:05:40 +0100 |
| commit | c55908604eccc659840e52a2c17614cfe90178bb (patch) | |
| tree | 7fca38323cd6235ee1e2de7ea3a5b102bfd1b78e | |
| parent | 8d4bfe89aacf5dbe66fa6dd26587c7d11a9f6a7a (diff) | |
drm/bridge: tc358767: fix DP0_MISC register set
[ 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>
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 97087f962363..4d348800222e 100644 --- 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_data *tc, struct drm_display_mode *mode) * 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: |