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9c718b5478
Refreshed all patches. Compile-tested on: ar71xx, cns3xxx, imx6, x86_64 Runtime-tested on: ar71xx, cns3xxx, imx6 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
From 1254dfa5b20336d10e9cf917cdf94c63b4cc44e1 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 13 Nov 2017 14:23:48 -0800
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Subject: [PATCH 202/454] drm/vc4: Fix crash if we have to unbind HDMI.
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We need the card to unregister before the codec that the card
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references.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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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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@@ -1131,7 +1131,7 @@ static int vc4_hdmi_audio_init(struct vc
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* snd_soc_card_get_drvdata() if needed.
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*/
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snd_soc_card_set_drvdata(card, hdmi);
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- ret = devm_snd_soc_register_card(dev, card);
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+ ret = snd_soc_register_card(card);
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if (ret) {
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dev_err(dev, "Could not register sound card: %d\n", ret);
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goto unregister_codec;
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@@ -1148,13 +1148,16 @@ unregister_codec:
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static void vc4_hdmi_audio_cleanup(struct vc4_hdmi *hdmi)
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{
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struct device *dev = &hdmi->pdev->dev;
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+ struct snd_soc_card *card = &hdmi->audio.card;
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/*
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* If drvdata is not set this means the audio card was not
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* registered, just skip codec unregistration in this case.
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*/
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- if (dev_get_drvdata(dev))
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+ if (dev_get_drvdata(dev)) {
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+ snd_soc_unregister_card(card);
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snd_soc_unregister_codec(dev);
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+ }
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}
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#ifdef CONFIG_DRM_VC4_HDMI_CEC
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