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From: wangyan wang <wangyan.wang@mediatek.com>
To: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, CK Hu <ck.hu@mediatek.com>
Cc: wangyan wang <wangyan.wang@mediatek.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	chunhui dai <chunhui.dai@mediatek.com>,
	Colin Ian King <colin.king@canonical.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Ryder Lee <ryder.lee@mediatek.com>, <linux-clk@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<dri-devel@lists.freedesktop.org>, <srv_heupstream@mediatek.com>
Subject: [PATCH V7 2/6] drm/mediatek: move the setting of fixed divider
Date: Wed, 27 Mar 2019 17:19:25 +0800	[thread overview]
Message-ID: <20190327091929.73162-3-wangyan.wang@mediatek.com> (raw)
In-Reply-To: <20190327091929.73162-1-wangyan.wang@mediatek.com>

From: chunhui dai <chunhui.dai@mediatek.com>

move the setting of fixed divider from enable/disable
to the function of setting rate.

the patch is for hdmi pll divider, the divder should
be configured before clock calculation to ensure the
clock is right.

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: wangyan wang <wangyan.wang@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
index 9dcf9c2ff37a..6f29e87eefd0 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
@@ -79,7 +79,6 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -94,7 +93,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
@@ -123,6 +121,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
 			  RG_HTPLL_IC_MASK);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
@@ -207,7 +206,6 @@ static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -219,7 +217,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
-- 
2.14.1


WARNING: multiple messages have this Message-ID (diff)
From: wangyan wang <wangyan.wang@mediatek.com>
To: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, CK Hu <ck.hu@mediatek.com>
Cc: wangyan wang <wangyan.wang@mediatek.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	chunhui dai <chunhui.dai@mediatek.com>,
	Colin Ian King <colin.king@canonical.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Ryder Lee <ryder.lee@mediatek.com>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	dri-devel@lists.freedesktop.org, srv_heupstream@mediatek.com
Subject: [PATCH V7 2/6] drm/mediatek: move the setting of fixed divider
Date: Wed, 27 Mar 2019 17:19:25 +0800	[thread overview]
Message-ID: <20190327091929.73162-3-wangyan.wang@mediatek.com> (raw)
In-Reply-To: <20190327091929.73162-1-wangyan.wang@mediatek.com>

From: chunhui dai <chunhui.dai@mediatek.com>

move the setting of fixed divider from enable/disable
to the function of setting rate.

the patch is for hdmi pll divider, the divder should
be configured before clock calculation to ensure the
clock is right.

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: wangyan wang <wangyan.wang@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
index 9dcf9c2ff37a..6f29e87eefd0 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
@@ -79,7 +79,6 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -94,7 +93,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
@@ -123,6 +121,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
 			  RG_HTPLL_IC_MASK);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
@@ -207,7 +206,6 @@ static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -219,7 +217,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
-- 
2.14.1

WARNING: multiple messages have this Message-ID (diff)
From: wangyan wang <wangyan.wang@mediatek.com>
To: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, CK Hu <ck.hu@mediatek.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	srv_heupstream@mediatek.com,
	chunhui dai <chunhui.dai@mediatek.com>,
	David Airlie <airlied@linux.ie>,
	Sean Wang <sean.wang@mediatek.com>,
	linux-kernel@vger.kernel.org,
	wangyan wang <wangyan.wang@mediatek.com>,
	linux-mediatek@lists.infradead.org,
	dri-devel@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Colin Ian King <colin.king@canonical.com>,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH V7 2/6] drm/mediatek: move the setting of fixed divider
Date: Wed, 27 Mar 2019 17:19:25 +0800	[thread overview]
Message-ID: <20190327091929.73162-3-wangyan.wang@mediatek.com> (raw)
In-Reply-To: <20190327091929.73162-1-wangyan.wang@mediatek.com>

From: chunhui dai <chunhui.dai@mediatek.com>

move the setting of fixed divider from enable/disable
to the function of setting rate.

the patch is for hdmi pll divider, the divder should
be configured before clock calculation to ensure the
clock is right.

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: wangyan wang <wangyan.wang@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
index 9dcf9c2ff37a..6f29e87eefd0 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
@@ -79,7 +79,6 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -94,7 +93,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
@@ -123,6 +121,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
 			  RG_HTPLL_IC_MASK);
 	mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
@@ -207,7 +206,6 @@ static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
-	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -219,7 +217,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
-	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
 	usleep_range(80, 100);
 	mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
-- 
2.14.1


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  parent reply	other threads:[~2019-03-27  9:20 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-27  9:19 [PATCH V7 0/6] make mt7623 clock of hdmi stable wangyan wang
2019-03-27  9:19 ` wangyan wang
2019-03-27  9:19 ` wangyan wang
2019-03-27  9:19 ` [PATCH V7 1/6] drm/mediatek: recalculate hdmi phy clock of MT2701 by querying hardware wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-04-01  9:13   ` CK Hu
2019-04-01  9:13     ` CK Hu
2019-04-01  9:13     ` CK Hu
2019-03-27  9:19 ` wangyan wang [this message]
2019-03-27  9:19   ` [PATCH V7 2/6] drm/mediatek: move the setting of fixed divider wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-04-01  9:14   ` CK Hu
2019-04-01  9:14     ` CK Hu
2019-04-01  9:14     ` CK Hu
2019-03-27  9:19 ` [PATCH V7 3/6] drm/mediatek: using different flags of clk for HDMI phy wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-04-01  9:37   ` CK Hu
2019-04-01  9:37     ` CK Hu
2019-04-01  9:37     ` CK Hu
2019-03-27  9:19 ` [PATCH V7 4/6] drm/mediatek: fix the rate and divder of hdmi phy for MT2701 wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19 ` [PATCH V7 5/6] drm/mediatek: using new factor for tvdpll in MT2701 wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19 ` [PATCH V7 6/6] drm/mediatek: fix the rate of parent for hdmi phy " wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-03-27  9:19   ` wangyan wang
2019-04-01  9:47   ` CK Hu
2019-04-01  9:47     ` CK Hu
2019-04-01  9:47     ` CK Hu
2019-03-28  3:15 ` [PATCH V7 0/6] make mt7623 clock of hdmi stable Ryder Lee
2019-03-28  3:15   ` Ryder Lee
2019-03-28  3:15   ` Ryder Lee

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