From: Yakir Yang <ykk@rock-chips.com>
To: David Airlie <airlied@linux.ie>,
Russell King <rmk+kernel@arm.linux.org.uk>,
Philipp Zabel <p.zabel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
Shawn Guo <shawn.guo@linaro.org>, Rob Clark <robdclark@gmail.com>,
Mark Yao <mark.yao@rock-chips.com>,
Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Arnd Bergmann <arnd@arndb.de>, Sean Cross <xobs@kosagi.com>,
Jyri Sarha <jsarha@ti.com>, Ben Zhang <benzh@chromium.org>,
alsa-devel@alsa-project.org, Heiko Stuebner <heiko@sntech.de>,
linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
devicetree@vger.kernel.org, djkurtz@chromium.org,
mmind00@googlemail.com, dianders@chromium.org,
marcheu@chromium.org, linux-rockchip@lists.infradead.org,
Yakir Yang <ykk@rock-chips.com>
Subject: [PATCH v3 06/15] drm: bridge/dw_hdmi: adjust n/cts setting order
Date: Tue, 3 Feb 2015 10:13:07 -0500 [thread overview]
Message-ID: <1422976387-30165-1-git-send-email-ykk@rock-chips.com> (raw)
In-Reply-To: <1422975418-13302-1-git-send-email-ykk@rock-chips.com>
This patch changes the order to:
- write CTS3 CTS_manual = 0
- write CTS3 N_shift = 0
- write CTS3 CTS value
- write CTS2 CTS value
- write CTS1 CTS value
- write N3 N value
- write N2 N value
- write N1 N value
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v3:
- Only adjust the n/cts setting order
Changes in v2: None
drivers/gpu/drm/bridge/dw_hdmi.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 262163f..81309df 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -199,20 +199,20 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg,
static void hdmi_set_clock_regenerator(struct dw_hdmi *hdmi,
unsigned int n, unsigned int cts)
{
- 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);
+ /* Must be set/cleared first */
+ hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
/* nshift factor = 0 */
hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);
- /* Must be set/cleared first */
- hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
-
- hdmi_writeb(hdmi, cts & 0xff, HDMI_AUD_CTS1);
- hdmi_writeb(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2);
hdmi_writeb(hdmi, ((cts >> 16) & HDMI_AUD_CTS3_AUDCTS19_16_MASK) |
HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
+ hdmi_writeb(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2);
+ hdmi_writeb(hdmi, cts & 0xff, HDMI_AUD_CTS1);
+
+ hdmi_writeb(hdmi, (n >> 16) & 0x0f, HDMI_AUD_N3);
+ hdmi_writeb(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2);
+ hdmi_writeb(hdmi, n & 0xff, HDMI_AUD_N1);
}
static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk,
--
2.1.2
next prev parent reply other threads:[~2015-02-03 15:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 14:56 [PATCH v3 0/15] Those patches is used for dw_hdmi audio support Yakir Yang
2015-02-03 15:01 ` [PATCH v3 01/15] drm: bridge/dw_hdmi: add irq control to suspend/resume Yakir Yang
2015-02-03 15:02 ` [PATCH v3 02/15] drm: bridge/dw_hdmi: wrap irq control in fucntions Yakir Yang
2015-02-03 15:08 ` [PATCH v3 03/15] drm: rockchip/dw_hdmi_rockchip: add resume/suspend support Yakir Yang
2015-02-03 15:11 ` [PATCH v3 04/15] drm: bridge/dw_hdmi: add indentification registers parse and record Yakir Yang
2015-02-05 15:46 ` Daniel Kurtz
2015-02-07 3:33 ` yakir
2015-02-03 15:12 ` [PATCH v3 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts() Yakir Yang
2015-02-05 15:54 ` Daniel Kurtz
2015-02-07 3:33 ` yakir
2015-02-03 15:13 ` Yakir Yang [this message]
2015-02-03 15:13 ` [PATCH v3 07/15] drm: bridge/dw_hdmi: set ncts_atomic_write & cts_manual Yakir Yang
2015-02-03 15:14 ` [PATCH v3 08/15] drm: bridge/dw_hdmi: add audio support for more display resolutions Yakir Yang
2015-02-03 15:15 ` [PATCH v3 09/15] drm: bridge/dw_hdmi: enable audio support for No-CEA " Yakir Yang
2015-02-03 15:16 ` [PATCH v3 10/15] drm: bridge/dw_hdmi: add audio sample channel status setting Yakir Yang
2015-02-03 15:16 ` [PATCH v3 11/15] drm: bridge/dw_hdmi: add audio clock control interfaces Yakir Yang
2015-02-03 15:17 ` [PATCH v3 12/15] drm: bridge/dw_hdmi: creat dw-hdmi-audio platform device Yakir Yang
2015-02-03 15:18 ` [PATCH v3 13/15] ASoC: dw-hdmi-audio: add codec driver for dw hdmi audio Yakir Yang
2015-02-03 15:19 ` [PATCH v3 14/15] ASoC: rockchip-hdmi-audio: add sound driver for " Yakir Yang
2015-02-03 15:19 ` [PATCH v3 15/15] dt-bindings: Add documentation for Rockchip dw-hdmi-audio Yakir Yang
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