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The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 65ac92600898d2508375e3b68103aa3b056dfcdd Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Wed, 29 Mar 2023 15:26:52 +0100
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Subject: [PATCH 0578/1085] drm/vc4: hdmi: Enable the audio clock
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The audio clock is used by the HDMI controller driver and we were using
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it to get its audio rate and compute the dividers needed to reach a
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given audio sample rate.
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However, we were never enabling it, which was resulting in lockups on
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the BCM2712.
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Fixes: 632ee3aa8786 ("drm/vc4: hdmi: Add audio-related callbacks")
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -3589,6 +3589,7 @@ static int vc4_hdmi_runtime_suspend(stru
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{
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struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
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+ clk_disable_unprepare(vc4_hdmi->audio_clock);
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clk_disable_unprepare(vc4_hdmi->hsm_clock);
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return 0;
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@@ -3621,6 +3622,10 @@ static int vc4_hdmi_runtime_resume(struc
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goto err_disable_clk;
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}
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+ ret = clk_prepare_enable(vc4_hdmi->audio_clock);
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+ if (ret)
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+ goto err_disable_clk;
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+
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if (vc4_hdmi->variant->reset)
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vc4_hdmi->variant->reset(vc4_hdmi);
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