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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0278-drm-vc4-Ensure-zpos-is-always-initialised.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0278-drm-vc4-Ensure-zpos-is-always-initialised.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0278-drm-vc4-Ensure-zpos-is-always-initialised.patch b/target/linux/bcm27xx/patches-5.4/950-0278-drm-vc4-Ensure-zpos-is-always-initialised.patch
new file mode 100644
index 0000000000..32a13d9c86
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0278-drm-vc4-Ensure-zpos-is-always-initialised.patch
@@ -0,0 +1,26 @@
+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;