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openSUSE:Leap:42.3:Update
drm
0539-drm-bridge-tc358767-fix-DP0_MISC-register-...
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File 0539-drm-bridge-tc358767-fix-DP0_MISC-register-set.patch of Package drm
From c55908604eccc659840e52a2c17614cfe90178bb Mon Sep 17 00:00:00 2001 From: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Date: Tue, 7 Nov 2017 19:56:21 +0300 Subject: [PATCH] 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> --- 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:
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