Combine these two functions into a single implementation. These two
functions are called consecutively anyway. Idea from a patch by
Yakir Yang.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/dw_hdmi.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index cd6a70647e32..78363552d80e 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -177,19 +177,16 @@ 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_cts_n(struct dw_hdmi *hdmi, unsigned int cts,
+ unsigned int n)
{
- 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);
@@ -355,8 +352,7 @@ 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_cts_n(hdmi, clk_cts, clk_n);
}
static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)
--
1.8.3.1
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