openwrt/target/linux/bcm27xx/patches-5.15/950-0439-drm-atomic-Don-t-fixup-modes-that-haven-t-been-reset.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

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Diff

From ff6d3491b0c6d46eaac2e21e1e4ae85af8fa53ac 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
@@ -431,6 +431,11 @@ 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.