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authorÁlvaro Fernández Rojas <noltari@gmail.com>2022-05-16 23:40:32 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2022-05-17 15:11:22 +0200
commit20ea6adbf199097c4f5f591ffee088340630dae4 (patch)
treed6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch
parentbca05bd072180dc38ef740b37ded9572a6db1981 (diff)
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bcm27xx: add support for linux v5.15
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch b/target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch
new file mode 100644
index 0000000000..10b1832169
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.15/950-0765-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch
@@ -0,0 +1,25 @@
+From 71e480a4426919d4110cd10fe5154eafee04fa96 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Thu, 16 Dec 2021 15:33:43 +0000
+Subject: [PATCH] drm/tc358762: Set the pre_enable_upstream_first flag
+ to configure DSI host
+
+TC358762 wants the DSI host to be prepared before it is powered up, so
+set the flag to request that the upstream bridges have their
+pre_enable called first.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/gpu/drm/bridge/tc358762.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/gpu/drm/bridge/tc358762.c
++++ b/drivers/gpu/drm/bridge/tc358762.c
+@@ -237,6 +237,7 @@ static int tc358762_probe(struct mipi_ds
+ ctx->bridge.funcs = &tc358762_bridge_funcs;
+ ctx->bridge.type = DRM_MODE_CONNECTOR_DPI;
+ ctx->bridge.of_node = dev->of_node;
++ ctx->bridge.pre_enable_upstream_first = true;
+
+ drm_bridge_add(&ctx->bridge);
+