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42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 86ef31fcb116682d399b9723a7ab66c87e6f2cc5 Mon Sep 17 00:00:00 2001
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From: Stephen Graf <stephen.graf@gmail.com>
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Date: Tue, 18 Feb 2025 05:12:44 +0000
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Subject: add TCON global control reg for pad selection
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Signed-off-by: Stephen Graf <stephen.graf@gmail.com>
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---
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drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 ++++
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drivers/gpu/drm/sun4i/sun4i_tcon.h | 1 +
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2 files changed, 5 insertions(+)
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diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
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index af67bf2e6e09..88984572f5c5 100644
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--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
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+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
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@@ -1308,6 +1308,10 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
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goto err_free_dclk;
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}
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+ regmap_update_bits(tcon->regs, SUN4I_TCON_GCTL_REG,
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+ SUN4I_TCON_GCTL_PAD_SEL,
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+ SUN4I_TCON_GCTL_PAD_SEL);
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+
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if (tcon->quirks->has_channel_0) {
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/*
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* If we have an LVDS panel connected to the TCON, we should
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diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
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index bd4abc90062b..e8d28bad4060 100644
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--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
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+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
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@@ -19,6 +19,7 @@
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#define SUN4I_TCON_GCTL_REG 0x0
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#define SUN4I_TCON_GCTL_TCON_ENABLE BIT(31)
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+#define SUN4I_TCON_GCTL_PAD_SEL BIT(1)
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#define SUN4I_TCON_GCTL_IOMAP_MASK BIT(0)
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#define SUN4I_TCON_GCTL_IOMAP_TCON1 (1 << 0)
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#define SUN4I_TCON_GCTL_IOMAP_TCON0 (0 << 0)
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--
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2.35.3
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