From 62b7f5931c54e96fca56dd8761b0e466d355c881 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 (cherry-picked from commit f07e572f64) --- ...83-drm-vc4-hdmi-Add-an-audio-support-flag.patch | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0583-drm-vc4-hdmi-Add-an-audio-support-flag.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0583-drm-vc4-hdmi-Add-an-audio-support-flag.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0583-drm-vc4-hdmi-Add-an-audio-support-flag.patch b/target/linux/bcm27xx/patches-5.4/950-0583-drm-vc4-hdmi-Add-an-audio-support-flag.patch new file mode 100644 index 0000000000..9c8240714a --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0583-drm-vc4-hdmi-Add-an-audio-support-flag.patch @@ -0,0 +1,47 @@ +From 6154f7383e2defe48eea7fddb6ce646a0069828b Mon Sep 17 00:00:00 2001 +From: Maxime Ripard +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 +--- + 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; + -- cgit v1.2.3