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https://github.com/LibreELEC/LibreELEC.tv
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64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From 33fd88e87eb934f9478e3d530c9ee751add46d7c Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Mon, 20 Jul 2020 21:34:48 +0000
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Subject: [PATCH 08/59] WIP/1000: drm/bridge: dw-hdmi: support configuring phy
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for deep color
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Q: Should we rename dw_hdmi_curr_ctrl and dw_hdmi_phy_config mpixelclock to mtmdsclock ?
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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---
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drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 17 ++++++++++++-----
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1 file changed, 12 insertions(+), 5 deletions(-)
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diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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index ac1886c7e967..c039bffef20d 100644
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--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -1575,6 +1575,7 @@ static int hdmi_phy_configure_dwc_hdmi_3d_tx(struct dw_hdmi *hdmi,
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const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg;
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const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr;
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const struct dw_hdmi_phy_config *phy_config = pdata->phy_config;
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+ int depth;
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/* TOFIX Will need 420 specific PHY configuration tables */
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@@ -1584,11 +1585,11 @@ static int hdmi_phy_configure_dwc_hdmi_3d_tx(struct dw_hdmi *hdmi,
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break;
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for (; curr_ctrl->mpixelclock != ~0UL; curr_ctrl++)
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- if (mpixelclock <= curr_ctrl->mpixelclock)
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+ if (mtmdsclock <= curr_ctrl->mpixelclock)
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break;
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for (; phy_config->mpixelclock != ~0UL; phy_config++)
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- if (mpixelclock <= phy_config->mpixelclock)
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+ if (mtmdsclock <= phy_config->mpixelclock)
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break;
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if (mpll_config->mpixelclock == ~0UL ||
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@@ -1596,11 +1597,17 @@ static int hdmi_phy_configure_dwc_hdmi_3d_tx(struct dw_hdmi *hdmi,
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phy_config->mpixelclock == ~0UL)
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return -EINVAL;
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- dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].cpce,
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+ depth = hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format);
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+ if (depth > 8 && mpixelclock != mtmdsclock)
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+ depth = fls(depth - 8) - 1;
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+ else
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+ depth = 0;
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+
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+ dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[depth].cpce,
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HDMI_3D_TX_PHY_CPCE_CTRL);
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- dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].gmp,
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+ dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[depth].gmp,
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HDMI_3D_TX_PHY_GMPCTRL);
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- dw_hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[0],
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+ dw_hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[depth],
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HDMI_3D_TX_PHY_CURRCTRL);
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dw_hdmi_phy_i2c_write(hdmi, 0, HDMI_3D_TX_PHY_PLLPHBYCTRL);
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--
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2.34.1
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