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e9c1c83679
Manually rebased: bcm27xx/patches-5.10/950-0675-drm-vc4-hdmi-Drop-devm-interrupt-handler-for-CEC-int.patch All other patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B, mt7622/RT3200 Run-tested: bcm2711/RPi4B, mt7622/RT3200 Signed-off-by: John Audia <graysky@archlinux.us>
100 lines
3.1 KiB
Diff
100 lines
3.1 KiB
Diff
From 82a5aa1df1b04efef46c7be82a7d71ea5300ce92 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 2 Dec 2020 18:36:24 +0000
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Subject: [PATCH] drm/vc4: Add HDR metadata property to the VC5 HDMI
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connectors
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Now that we can export deeper colour depths, add in the signalling
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for HDR metadata.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 28 ++++++++++++++++++++++++++++
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drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
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2 files changed, 31 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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@@ -310,6 +310,10 @@ static int vc4_hdmi_connector_init(struc
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connector->doublescan_allowed = 0;
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connector->stereo_allowed = 1;
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+ if (vc4_hdmi->variant->supports_hdr)
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+ drm_object_attach_property(&connector->base,
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+ connector->dev->mode_config.hdr_output_metadata_property, 0);
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+
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drm_connector_attach_encoder(connector, encoder);
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return 0;
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@@ -449,6 +453,25 @@ static void vc4_hdmi_set_audio_infoframe
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vc4_hdmi_write_infoframe(encoder, &frame);
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}
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+static void vc4_hdmi_set_hdr_infoframe(struct drm_encoder *encoder)
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+{
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+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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+ struct drm_connector *connector = &vc4_hdmi->connector;
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+ struct drm_connector_state *conn_state = connector->state;
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+ union hdmi_infoframe frame;
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+
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+ if (!vc4_hdmi->variant->supports_hdr)
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+ return;
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+
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+ if (!conn_state->hdr_output_metadata)
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+ return;
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+
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+ if (drm_hdmi_infoframe_set_hdr_metadata(&frame.drm, conn_state))
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+ return;
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+
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+ vc4_hdmi_write_infoframe(encoder, &frame);
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+}
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+
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static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder)
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{
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struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
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@@ -461,6 +484,8 @@ static void vc4_hdmi_set_infoframes(stru
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*/
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if (vc4_hdmi->audio.streaming)
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vc4_hdmi_set_audio_infoframe(encoder);
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+
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+ vc4_hdmi_set_hdr_infoframe(encoder);
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}
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static void vc4_hdmi_encoder_post_crtc_disable(struct drm_encoder *encoder,
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@@ -2296,6 +2321,7 @@ static const struct vc4_hdmi_variant bcm
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.phy_rng_enable = vc4_hdmi_phy_rng_enable,
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.phy_rng_disable = vc4_hdmi_phy_rng_disable,
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.channel_map = vc4_hdmi_channel_map,
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+ .supports_hdr = false,
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};
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static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
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@@ -2323,6 +2349,7 @@ static const struct vc4_hdmi_variant bcm
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.phy_rng_enable = vc5_hdmi_phy_rng_enable,
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.phy_rng_disable = vc5_hdmi_phy_rng_disable,
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.channel_map = vc5_hdmi_channel_map,
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+ .supports_hdr = true,
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};
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static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
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@@ -2350,6 +2377,7 @@ static const struct vc4_hdmi_variant bcm
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.phy_rng_enable = vc5_hdmi_phy_rng_enable,
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.phy_rng_disable = vc5_hdmi_phy_rng_disable,
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.channel_map = vc5_hdmi_channel_map,
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+ .supports_hdr = true,
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};
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static const struct of_device_id vc4_hdmi_dt_match[] = {
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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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@@ -99,6 +99,9 @@ struct vc4_hdmi_variant {
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/* Callback to get channel map */
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u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask);
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+
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+ /* Enables HDR metadata */
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+ bool supports_hdr;
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};
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/* HDMI audio information */
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