diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0581-drm-vc4-hdmi-Add-HDMI-ID.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0581-drm-vc4-hdmi-Add-HDMI-ID.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0581-drm-vc4-hdmi-Add-HDMI-ID.patch b/target/linux/bcm27xx/patches-5.4/950-0581-drm-vc4-hdmi-Add-HDMI-ID.patch new file mode 100644 index 0000000000..b5d9c7b340 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0581-drm-vc4-hdmi-Add-HDMI-ID.patch @@ -0,0 +1,46 @@ +From 84c1a6034e361078d540c9b3bc672ccae623dc03 Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Tue, 7 Jan 2020 13:14:07 +0100 +Subject: [PATCH] drm/vc4: hdmi: Add HDMI ID + +Some operations will need us to have the raw ID of the HDMI controller +in the BCM2711, such as the encoder type to register, the name of the +debugfs files, etc. + +Let's add it to our variant structure. + +Signed-off-by: Maxime Ripard <maxime@cerno.tech> +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 3 +-- + drivers/gpu/drm/vc4/vc4_hdmi.h | 5 +++++ + 2 files changed, 6 insertions(+), 2 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -1268,11 +1268,10 @@ static int vc4_hdmi_bind(struct device * + vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL); + if (!vc4_hdmi) + return -ENOMEM; +- + vc4_hdmi->pdev = pdev; + variant = of_device_get_match_data(dev); + vc4_hdmi->variant = variant; +- vc4_hdmi->encoder.base.type = VC4_ENCODER_TYPE_HDMI0; ++ vc4_hdmi->encoder.base.type = variant->id ? VC4_ENCODER_TYPE_HDMI1 : VC4_ENCODER_TYPE_HDMI0; + encoder = &vc4_hdmi->encoder.base.base; + + ret = variant->init_resources(vc4_hdmi); +--- a/drivers/gpu/drm/vc4/vc4_hdmi.h ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.h +@@ -27,6 +27,11 @@ struct vc4_hdmi; + struct vc4_hdmi_register; + + struct vc4_hdmi_variant { ++ /* On devices that have multiple, different instances (like ++ * the BCM2711), which instance is that variant useful for. ++ */ ++ unsigned int id; ++ + /* List of the registers available on that variant */ + const struct vc4_hdmi_register *registers; + |