On Tue, Feb 3, 2015 at 11:12 PM, Yakir Yang ykk@rock-chips.com wrote:
Signed-off-by: Yakir Yang ykk@rock-chips.com
Reviewed-by: Daniel Kurtz djkurtz@chromium.org
Changes in v3:
- Combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts()
Changes in v2: None
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 7b5b664..262163f 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -196,19 +196,16 @@ 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_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 +371,7 @@ 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