[PATCH V9 3/5] drm/mediatek: using new factor for tvdpll in MT2701

wangyan wang
2019-04-09T03:08:23Z

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

Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Wangyan Wang <wangyan.wang@mediatek.com>
---
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 69c6e42dad6b..4a2f4a650494 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 = {
--
2.14.1