bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 47 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0589-drm-vc4-hdmi-Add-an-audio-support-flag.patch b/target/linux/bcm27xx/patches-5.4/950-0589-drm-vc4-hdmi-Add-an-audio-support-flag.patch
deleted file mode 100644
index 9c8240714a..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0589-drm-vc4-hdmi-Add-an-audio-support-flag.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 6154f7383e2defe48eea7fddb6ce646a0069828b Mon Sep 17 00:00:00 2001
-From: Maxime Ripard <maxime@cerno.tech>
-Date: Thu, 6 Feb 2020 16:21:45 +0100
-Subject: [PATCH] drm/vc4: hdmi: Add an audio support flag
-
-The BCM2711 audio support doesn't work yet, so let's add a boolean to
-indicate whether or not it's supported, and only register a sound card if
-that boolean is set.
-
-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
-@@ -944,6 +944,9 @@ static int vc4_hdmi_audio_init(struct vc
- 	int ret;
- 	int len;
- 
-+	if (!vc4_hdmi->variant->audio_available)
-+		return 0;
-+
- 	if (!of_find_property(dev->of_node, "dmas", &len) ||
- 	    len == 0) {
- 		dev_warn(dev,
-@@ -1445,6 +1448,7 @@ static int vc4_hdmi_dev_remove(struct pl
- }
- 
- static const struct vc4_hdmi_variant bcm2835_variant = {
-+	.audio_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
-@@ -32,6 +32,9 @@ struct vc4_hdmi_variant {
- 	 */
- 	unsigned int id;
- 
-+	/* Set to true when the audio support is available */
-+	bool audio_available;
-+
- 	/* List of the registers available on that variant */
- 	const struct vc4_hdmi_register *registers;
-