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drm: bridge: dw-hdmi: Move CSC configuration out of PHY code 

The color space converter isn't part of the PHY, move its configuration
out of PHY code.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303172007.26541-3-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2017-03-03 19:19:59 +02:00 committed by Archit Taneja
parent 12a3a328ee
commit 8b9e1c0de3
1 changed files with 10 additions and 15 deletions
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25
drivers/gpu/drm/bridge/dw-hdmi.c
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@ -914,7 +914,7 @@ static void dw_hdmi_phy_sel_interface_control(struct dw_hdmi *hdmi, u8 enable)
HDMI_PHY_CONF0_SELDIPIF_MASK); HDMI_PHY_CONF0_SELDIPIF_MASK);
} }
static int hdmi_phy_configure(struct dw_hdmi *hdmi, int cscon) static int hdmi_phy_configure(struct dw_hdmi *hdmi)
{ {
u8 val, msec; u8 val, msec;
const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
@ -946,14 +946,6 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, int cscon)
return -EINVAL; return -EINVAL;
} }
/* Enable csc path */
if (cscon)
val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH;
else
val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS;
hdmi_writeb(hdmi, val, HDMI_MC_FLOWCTRL);
/* gen2 tx power off */ /* gen2 tx power off */
dw_hdmi_phy_gen2_txpwron(hdmi, 0); dw_hdmi_phy_gen2_txpwron(hdmi, 0);
@ -1028,10 +1020,6 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, int cscon)
static int dw_hdmi_phy_init(struct dw_hdmi *hdmi) static int dw_hdmi_phy_init(struct dw_hdmi *hdmi)
{ {
int i, ret; int i, ret;
bool cscon;
/*check csc whether needed activated in HDMI mode */
cscon = hdmi->sink_is_hdmi && is_color_space_conversion(hdmi);
/* HDMI Phy spec says to do the phy initialization sequence twice */ /* HDMI Phy spec says to do the phy initialization sequence twice */
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
@ -1040,8 +1028,7 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi)
dw_hdmi_phy_enable_tmds(hdmi, 0); dw_hdmi_phy_enable_tmds(hdmi, 0);
dw_hdmi_phy_enable_powerdown(hdmi, true); dw_hdmi_phy_enable_powerdown(hdmi, true);
/* Enable CSC */ ret = hdmi_phy_configure(hdmi);
ret = hdmi_phy_configure(hdmi, cscon);
if (ret) if (ret)
return ret; return ret;
} }
@ -1303,6 +1290,14 @@ static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi)
clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE;
hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS);
} }
/* Enable color space conversion if needed (for HDMI sinks only). */
if (hdmi->sink_is_hdmi && is_color_space_conversion(hdmi))
hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH,
HDMI_MC_FLOWCTRL);
else
hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS,
HDMI_MC_FLOWCTRL);
} }
static void hdmi_enable_audio_clk(struct dw_hdmi *hdmi) static void hdmi_enable_audio_clk(struct dw_hdmi *hdmi)