linux-kernel - [PATCH v4 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate

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Message-Id: <1425177490-1971-1-git-send-email-ykk@rock-chips.com>
Date:	Sat, 28 Feb 2015 21:38:10 -0500
From:	Yakir Yang <ykk@...k-chips.com>
To:	djkurtz@...omium.org, dianders@...omium.org,
	linux-rockchip@...ts.infradead.org
Cc:	David Airlie <airlied@...ux.ie>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Yakir Yang <ykk@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	mmind00@...glemail.com, marcheu@...omium.org,
	mark.yao@...k-chips.com
Subject: [PATCH v4 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts()

Signed-off-by: Yakir Yang <ykk@...k-chips.com>
---
Changes in v4: None
Changes in v3:
- Combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts()

Changes in v2: None

 drivers/gpu/drm/bridge/dw_hdmi.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 937beed..3d7c048 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -196,19 +196,15 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg,
 	hdmi_modb(hdmi, data << shift, mask, reg);
 }
 
-static void hdmi_set_clock_regenerator_n(struct dw_hdmi *hdmi,
-					 unsigned int value)
+static void hdmi_set_clock_regenerator(struct dw_hdmi *hdmi,
+				       unsigned int n, unsigned int cts)
 {
-	hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1);
-	hdmi_writeb(hdmi, (value >> 8) & 0xff, HDMI_AUD_N2);
-	hdmi_writeb(hdmi, (value >> 16) & 0x0f, HDMI_AUD_N3);
+	hdmi_writeb(hdmi, n & 0xff, HDMI_AUD_N1);
+	hdmi_writeb(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2);
+	hdmi_writeb(hdmi, (n >> 16) & 0x0f, HDMI_AUD_N3);
 
 	/* nshift factor = 0 */
 	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);
-}
-
-static void hdmi_regenerate_cts(struct dw_hdmi *hdmi, unsigned int cts)
-{
 	/* Must be set/cleared first */
 	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
 
@@ -374,8 +370,7 @@ static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi,
 		__func__, hdmi->sample_rate, hdmi->ratio,
 		pixel_clk, clk_n, clk_cts);
 
-	hdmi_set_clock_regenerator_n(hdmi, clk_n);
-	hdmi_regenerate_cts(hdmi, clk_cts);
+	hdmi_set_clock_regenerator(hdmi, clk_n, clk_cts);
 }
 
 static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)
-- 
2.1.2


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