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Merge pull request #5959 from jernejsk/h6-fix-le10

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[LE10] Allwinner: linux: fix 4k60 mode on H6 with some HW
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CvH 2021-12-09 12:12:40 +01:00 committed by GitHub
commit 3a58b18547
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1 changed files with 75 additions and 0 deletions
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projects/Allwinner/patches/linux/0053-wip-fix-H6-4k-60.patch Normal file
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@ -0,0 +1,75 @@
From edc858b1d62ce5ffd8b8d10cc62425af15d48a91 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@gmail.com>
Date: Wed, 8 Dec 2021 20:42:45 +0100
Subject: [PATCH] wip: fix H6 4k@60
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 +++++++
drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 4 ++++
drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c | 2 +-
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index f08d0fded61f..bcd839a3ce80 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1488,6 +1488,8 @@ static int hdmi_phy_configure_dwc_hdmi_3d_tx(struct dw_hdmi *hdmi,
/* Override and disable clock termination. */
dw_hdmi_phy_i2c_write(hdmi, HDMI_3D_TX_PHY_CKCALCTRL_OVERRIDE,
HDMI_3D_TX_PHY_CKCALCTRL);
+ if (mpixelclock == 594000000)
+ dw_hdmi_phy_i2c_write(hdmi, 0x8006, HDMI_3D_TX_PHY_MSM_CTRL);
return 0;
}
@@ -2166,6 +2168,8 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi,
hdmi->hdmi_data.hdcp_enable = 0;
hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
+ hdmi_writeb(hdmi, HDMI_FC_GCP_SET_AVMUTE, HDMI_FC_GCP);
+
/* HDMI Initialization Step B.1 */
hdmi_av_composer(hdmi, &connector->display_info, mode);
@@ -2205,6 +2209,9 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi,
hdmi_video_sample(hdmi);
hdmi_tx_hdcp_config(hdmi);
+ msleep(100);
+ hdmi_writeb(hdmi, HDMI_FC_GCP_CLEAR_AVMUTE, HDMI_FC_GCP);
+
dw_hdmi_clear_overflow(hdmi);
return 0;
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
index 1999db05bc3b..05182418efbb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
@@ -842,6 +842,10 @@ enum {
HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED = 0x00,
HDMI_FC_AVICONF3_QUANT_RANGE_FULL = 0x04,
+/* HDMI_FC_GCP */
+ HDMI_FC_GCP_SET_AVMUTE = 0x2,
+ HDMI_FC_GCP_CLEAR_AVMUTE = 0x1,
+
/* FC_DBGFORCE field values */
HDMI_FC_DBGFORCE_FORCEAUDIO = 0x10,
HDMI_FC_DBGFORCE_FORCEVIDEO = 0x1,
diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
index b64d93da651d..b70bc9de761f 100644
--- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
+++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
@@ -90,7 +90,7 @@ static const struct dw_hdmi_mpll_config sun50i_h6_mpll_cfg[] = {
},
}, {
594000000, {
- { 0x1a40, 0x0003 },
+ { 0x1a7c, 0x0003 },
{ 0x3b4c, 0x0003 },
{ 0x5a64, 0x0003 },
},
--
2.34.1