Openwrt/target/linux/bcm27xx/patches-5.4/950-0275-drm-vc4-Ensure-zpos-is-always-initialised.patch
Álvaro Fernández Rojas f07e572f64 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>
2021-02-18 23:42:32 +01:00

27 lines
885 B
Diff

From 9ab46d940789f74980d18715f5715992559ea857 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Fri, 19 Jul 2019 17:49:00 +0100
Subject: [PATCH] drm/vc4: Ensure zpos is always initialised
The compiler is warning that default_zpos can be used
uninitialised as there is no default case to catch all plane
types.
No other plane types should ever be presented to vc4_fkms_plane_init,
but add a default case regardless.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -804,6 +804,7 @@ static struct drm_plane *vc4_fkms_plane_
* other layers as requested by KMS.
*/
switch (type) {
+ default:
case DRM_PLANE_TYPE_PRIMARY:
default_zpos = 0;
break;