openwrt/target/linux/bcm27xx/patches-5.4/950-0143-drm-vc4-Programming-the-CTM-is-conditional-on-runnin.patch
Álvaro Fernández Rojas a1383655cf bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-29 12:50:51 +01:00

27 lines
876 B
Diff

From 973ca1329ac445e55135e01874118d4e28392ea7 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Tue, 19 Feb 2019 15:18:25 +0000
Subject: [PATCH] drm: vc4: Programming the CTM is conditional on
running full KMS
vc4_ctm_commit writes to HVS registers, so this is only applicable
when in full KMS mode, not in firmware KMS mode. Add this conditional.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/gpu/drm/vc4/vc4_kms.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -166,7 +166,8 @@ vc4_atomic_complete_commit(struct drm_at
drm_atomic_helper_commit_modeset_disables(dev, state);
- vc4_ctm_commit(vc4, state);
+ if (!vc4->firmware_kms)
+ vc4_ctm_commit(vc4, state);
drm_atomic_helper_commit_planes(dev, state, 0);