[PATCH 83/89] drm/vc4: hdmi: Add CEC support flag

[Maxime Ripard]

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 at cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++++
 drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index f7fd1914aec7..1762484bd97a 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1168,6 +1168,9 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
 {
 	int ret;
 
+	if (!vc4_hdmi->variant->cec_available)
+		return 0;
+
 	vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
 					      vc4, "vc4",
 					      CEC_CAP_DEFAULTS |
@@ -1459,6 +1462,7 @@ static int vc4_hdmi_dev_remove(struct platform_device *pdev)
 
 struct vc4_hdmi_variant bcm2835_variant = {
 	.audio_available	= true,
+	.cec_available		= true,
 	.registers		= vc4_hdmi_fields,
 	.num_registers		= ARRAY_SIZE(vc4_hdmi_fields),
 
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index f41116507156..cbb1d3ab85d7 100644
--- 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;
 
-- 
git-series 0.9.1