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48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
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From 0f626dc8443a93138806b4a3f351bac346036358 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Thu, 6 Feb 2020 16:22:50 +0100
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Subject: [PATCH] drm/vc4: hdmi: Add CEC support flag
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Similarly to the audio support, CEC support is not there yet for the
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BCM2711, so let's skip entirely the CEC initialization through a variant
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flag.
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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 | 4 ++++
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drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
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2 files changed, 7 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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@@ -1186,6 +1186,9 @@ static int vc4_hdmi_cec_init(struct vc4_
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u32 value;
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int ret;
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+ if (!vc4_hdmi->variant->cec_available)
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+ return 0;
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+
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vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
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vc4_hdmi, "vc4",
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CEC_CAP_DEFAULTS |
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@@ -1474,6 +1477,7 @@ static int vc4_hdmi_dev_remove(struct pl
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static const struct vc4_hdmi_variant bcm2835_variant = {
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.audio_available = true,
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+ .cec_available = true,
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.registers = vc4_hdmi_fields,
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.num_registers = ARRAY_SIZE(vc4_hdmi_fields),
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
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@@ -35,6 +35,9 @@ struct vc4_hdmi_variant {
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/* Set to true when the audio support is available */
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bool audio_available;
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+ /* Set to true when the CEC support is available */
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+ bool cec_available;
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+
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/* List of the registers available on that variant */
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const struct vc4_hdmi_register *registers;
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