aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch
diff options
context:
space:
mode:
authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
downloadupstream-f07e572f6447465d8938679533d604e402b0f066.tar.gz
upstream-f07e572f6447465d8938679533d604e402b0f066.tar.bz2
upstream-f07e572f6447465d8938679533d604e402b0f066.zip
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>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch b/target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch
new file mode 100644
index 0000000000..396e8a5523
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0585-drm-vc4-hdmi-Add-CEC-support-flag.patch
@@ -0,0 +1,47 @@
+From 0f626dc8443a93138806b4a3f351bac346036358 Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Thu, 6 Feb 2020 16:22:50 +0100
+Subject: [PATCH] drm/vc4: hdmi: Add CEC support flag
+
+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@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
+@@ -1187,6 +1187,9 @@ static int vc4_hdmi_cec_init(struct vc4_
+ u32 value;
+ int ret;
+
++ if (!vc4_hdmi->variant->cec_available)
++ return 0;
++
+ vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
+ vc4_hdmi, "vc4",
+ CEC_CAP_DEFAULTS |
+@@ -1475,6 +1478,7 @@ static int vc4_hdmi_dev_remove(struct pl
+
+ static const struct vc4_hdmi_variant bcm2835_variant = {
+ .audio_available = true,
++ .cec_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
+@@ -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;
+