openwrt/target/linux/bcm27xx/patches-5.10/950-0475-drm-vc4-Add-HDR-metadata-property-to-the-VC5-HDMI-co.patch
John Audia a2d4b5711a kernel: bump 5.10 to 5.10.101
Removed upstreamed:
  pending-5.10/841-USB-serial-option-add-ZTE-MF286D-modem.patch[1]
  bcm27xx/950-0592-drm-vc4-Allow-DBLCLK-modes-even-if-horz-timing-is-od.patch[2]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.101&id=7113440a36c741efd7c76e3d70b3634100120cdb
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.101&id=21c890ca8eaecea06cabb92be2a53a6f26f56383

Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200

Signed-off-by: John Audia <graysky@archlinux.us>
2022-03-01 21:38:36 +01:00

100 lines
3.1 KiB
Diff

From 82a5aa1df1b04efef46c7be82a7d71ea5300ce92 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 2 Dec 2020 18:36:24 +0000
Subject: [PATCH] drm/vc4: Add HDR metadata property to the VC5 HDMI
connectors
Now that we can export deeper colour depths, add in the signalling
for HDR metadata.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 28 ++++++++++++++++++++++++++++
drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
2 files changed, 31 insertions(+)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -310,6 +310,10 @@ static int vc4_hdmi_connector_init(struc
connector->doublescan_allowed = 0;
connector->stereo_allowed = 1;
+ if (vc4_hdmi->variant->supports_hdr)
+ drm_object_attach_property(&connector->base,
+ connector->dev->mode_config.hdr_output_metadata_property, 0);
+
drm_connector_attach_encoder(connector, encoder);
return 0;
@@ -449,6 +453,25 @@ static void vc4_hdmi_set_audio_infoframe
vc4_hdmi_write_infoframe(encoder, &frame);
}
+static void vc4_hdmi_set_hdr_infoframe(struct drm_encoder *encoder)
+{
+ struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
+ struct drm_connector *connector = &vc4_hdmi->connector;
+ struct drm_connector_state *conn_state = connector->state;
+ union hdmi_infoframe frame;
+
+ if (!vc4_hdmi->variant->supports_hdr)
+ return;
+
+ if (!conn_state->hdr_output_metadata)
+ return;
+
+ if (drm_hdmi_infoframe_set_hdr_metadata(&frame.drm, conn_state))
+ return;
+
+ vc4_hdmi_write_infoframe(encoder, &frame);
+}
+
static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder)
{
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
@@ -461,6 +484,8 @@ static void vc4_hdmi_set_infoframes(stru
*/
if (vc4_hdmi->audio.streaming)
vc4_hdmi_set_audio_infoframe(encoder);
+
+ vc4_hdmi_set_hdr_infoframe(encoder);
}
static void vc4_hdmi_encoder_post_crtc_disable(struct drm_encoder *encoder,
@@ -2298,6 +2323,7 @@ static const struct vc4_hdmi_variant bcm
.phy_rng_enable = vc4_hdmi_phy_rng_enable,
.phy_rng_disable = vc4_hdmi_phy_rng_disable,
.channel_map = vc4_hdmi_channel_map,
+ .supports_hdr = false,
};
static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
@@ -2325,6 +2351,7 @@ static const struct vc4_hdmi_variant bcm
.phy_rng_enable = vc5_hdmi_phy_rng_enable,
.phy_rng_disable = vc5_hdmi_phy_rng_disable,
.channel_map = vc5_hdmi_channel_map,
+ .supports_hdr = true,
};
static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
@@ -2352,6 +2379,7 @@ static const struct vc4_hdmi_variant bcm
.phy_rng_enable = vc5_hdmi_phy_rng_enable,
.phy_rng_disable = vc5_hdmi_phy_rng_disable,
.channel_map = vc5_hdmi_channel_map,
+ .supports_hdr = true,
};
static const struct of_device_id vc4_hdmi_dt_match[] = {
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -99,6 +99,9 @@ struct vc4_hdmi_variant {
/* Callback to get channel map */
u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask);
+
+ /* Enables HDR metadata */
+ bool supports_hdr;
};
/* HDMI audio information */