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Date: Fri, 26 Apr 2019 21:38:17 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Wangyan Wang <wangyan.wang@...iatek.com>,
CK Hu <ck.hu@...iatek.com>, Sasha Levin <sashal@...nel.org>,
dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.0 58/79] drm/mediatek: using new factor for tvdpll for MT2701 hdmi phy
From: Wangyan Wang <wangyan.wang@...iatek.com>
[ Upstream commit 8eeb3946feeb00486ac0909e2309da87db8988a5 ]
This is the second step to make MT2701 HDMI stable.
The factor depends on the divider of DPI in MT2701, therefore,
we should fix this factor to the right and new one.
Test: search ok
Signed-off-by: Wangyan Wang <wangyan.wang@...iatek.com>
Signed-off-by: CK Hu <ck.hu@...iatek.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 62a9d47df948..9160c55769f8 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -662,13 +662,11 @@ static unsigned int mt8173_calculate_factor(int clock)
static unsigned int mt2701_calculate_factor(int clock)
{
if (clock <= 64000)
- return 16;
- else if (clock <= 128000)
- return 8;
- else if (clock <= 256000)
return 4;
- else
+ else if (clock <= 128000)
return 2;
+ else
+ return 1;
}
static const struct mtk_dpi_conf mt8173_conf = {
--
2.19.1
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