X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0527-drm-vc4-Fix-oops-at-boot-with-firmwarekms-on-4.19.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0527-drm-vc4-Fix-oops-at-boot-with-firmwarekms-on-4.19.patch;h=aaeeb944fc84df9abf5ec5db66305a0aafb1b994;hb=67dcc43f3a22dc3a7ac07a7065971b426feeb043;hp=0000000000000000000000000000000000000000;hpb=47a93a810f78adce5a130d287f82b28e9b54313c;p=openwrt%2Fstaging%2Fchunkeey.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0527-drm-vc4-Fix-oops-at-boot-with-firmwarekms-on-4.19.patch b/target/linux/brcm2708/patches-4.19/950-0527-drm-vc4-Fix-oops-at-boot-with-firmwarekms-on-4.19.patch
new file mode 100644
index 0000000000..aaeeb944fc
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0527-drm-vc4-Fix-oops-at-boot-with-firmwarekms-on-4.19.patch
@@ -0,0 +1,22 @@
+From ec551e663ddd1be9140cc23f1eff33b8d270ed60 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Mon, 4 Mar 2019 11:59:34 -0800
+Subject: [PATCH] drm/vc4: Fix oops at boot with firmwarekms on 4.19.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+---
+ drivers/gpu/drm/vc4/vc4_kms.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/drivers/gpu/drm/vc4/vc4_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_kms.c
+@@ -107,6 +107,9 @@ vc4_ctm_commit(struct vc4_dev *vc4, stru
+ 	struct vc4_ctm_state *ctm_state = to_vc4_ctm_state(vc4->ctm_manager.state);
+ 	struct drm_color_ctm *ctm = ctm_state->ctm;
+ 
++	if (vc4->firmware_kms)
++		return;
++
+ 	if (ctm_state->fifo) {
+ 		HVS_WRITE(SCALER_OLEDCOEF2,
+ 			  VC4_SET_FIELD(vc4_ctm_s31_32_to_s0_9(ctm->matrix[0]),