openwrt/target/linux/bcm27xx/patches-5.10/950-0569-drm-atomic-Don-t-fixup-modes-that-haven-t-been-reset.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

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848 B
Diff

From 4b060ef559d6d6cd229484a60b56e15993f3053c Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 7 Jan 2021 16:30:55 +0000
Subject: [PATCH] drm/atomic: Don't fixup modes that haven't been reset
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/drm_atomic_helper.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -430,6 +430,11 @@ mode_fixup(struct drm_atomic_state *stat
new_crtc_state =
drm_atomic_get_new_crtc_state(state, new_conn_state->crtc);
+ if (!new_crtc_state->mode_changed &&
+ !new_crtc_state->connectors_changed) {
+ continue;
+ }
+
/*
* Each encoder has at most one connector (since we always steal
* it away), so we won't call ->mode_fixup twice.