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openmptcprouter/6.1/target/linux/bcm27xx/patches-6.1/0046-drm-vc4_hdmi-Force-a-modeset-when-Broadcast-RGB-sett.patch

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From 98efbd5cb44f8927240c01507055050405455428 Mon Sep 17 00:00:00 2001
From: Dom Cobley <popcornmix@gmail.com>
Date: Thu, 5 May 2022 18:50:04 +0100
Subject: [PATCH 046/726] drm/vc4_hdmi: Force a modeset when Broadcast RGB
setting changes
Without this the change is not visible until the next modeset
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 431f901068a0..3546c7af0329 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -536,14 +536,17 @@ static int vc4_hdmi_connector_atomic_check(struct drm_connector *connector,
{
struct drm_connector_state *old_state =
drm_atomic_get_old_connector_state(state, connector);
+ struct vc4_hdmi_connector_state *old_vc4_state = conn_state_to_vc4_hdmi_conn_state(old_state);
struct drm_connector_state *new_state =
drm_atomic_get_new_connector_state(state, connector);
+ struct vc4_hdmi_connector_state *new_vc4_state = conn_state_to_vc4_hdmi_conn_state(new_state);
struct drm_crtc *crtc = new_state->crtc;
if (!crtc)
return 0;
if (old_state->colorspace != new_state->colorspace ||
+ old_vc4_state->broadcast_rgb != new_vc4_state->broadcast_rgb ||
!drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) {
struct drm_crtc_state *crtc_state;
--
2.33.1