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From 0f626dc8443a93138806b4a3f351bac346036358 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 6 Feb 2020 16:22:50 +0100
Subject: [PATCH] drm/vc4: hdmi: Add CEC support flag
Similarly to the audio support, CEC support is not there yet for the
BCM2711, so let's skip entirely the CEC initialization through a variant
flag.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++++
drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
2 files changed, 7 insertions(+)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1187,6 +1187,9 @@ static int vc4_hdmi_cec_init(struct vc4_
u32 value;
int ret;
+ if (!vc4_hdmi->variant->cec_available)
+ return 0;
+
vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
vc4_hdmi, "vc4",
CEC_CAP_DEFAULTS |
@@ -1475,6 +1478,7 @@ static int vc4_hdmi_dev_remove(struct pl
static const struct vc4_hdmi_variant bcm2835_variant = {
.audio_available = true,
+ .cec_available = true,
.registers = vc4_hdmi_fields,
.num_registers = ARRAY_SIZE(vc4_hdmi_fields),
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -35,6 +35,9 @@ struct vc4_hdmi_variant {
/* Set to true when the audio support is available */
bool audio_available;
+ /* Set to true when the CEC support is available */
+ bool cec_available;
+
/* List of the registers available on that variant */
const struct vc4_hdmi_register *registers;
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