openwrt/target/linux/bcm27xx/patches-5.4/950-0616-drm-vc4-Fixup-plane-init-within-firmware-kms.patch
Álvaro Fernández Rojas 77e97abf12 bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-05-28 19:12:43 +02:00

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Diff

From d39fee7763d49f3b0bfd57e6cdc014467415d56a Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 30 Mar 2020 18:25:10 +0100
Subject: [PATCH] drm/vc4: Fixup plane init within firmware-kms
"drm/vc4: plane: Move additional planes creation to driver" moved
overlay and cursor plane creation to a global function thata was
unconditionally run, when it is not wanted in firmware KMS mode.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_drv.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -291,9 +291,11 @@ static int vc4_drm_bind(struct device *d
if (ret)
goto gem_destroy;
- ret = vc4_plane_create_additional_planes(drm);
- if (ret)
- goto unbind_all;
+ if (!vc4->firmware_kms) {
+ ret = vc4_plane_create_additional_planes(drm);
+ if (ret)
+ goto unbind_all;
+ }
drm_fb_helper_remove_conflicting_framebuffers(NULL, "vc4drmfb", false);