1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/805-display-0027-drm-imx-hdp-force-a-mode-set-when-colorspace-is-chan.patch b/target/linux/layerscape/patches-5.4/805-display-0027-drm-imx-hdp-force-a-mode-set-when-colorspace-is-chan.patch
new file mode 100644
index 0000000000..c63ae91683
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/805-display-0027-drm-imx-hdp-force-a-mode-set-when-colorspace-is-chan.patch
@@ -0,0 +1,34 @@
+From da02a33c186db04986166659caafb0c2da5bf7f0 Mon Sep 17 00:00:00 2001
+From: Laurentiu Palcu <laurentiu.palcu@nxp.com>
+Date: Fri, 15 Nov 2019 10:00:55 +0200
+Subject: [PATCH] drm/imx/hdp: force a mode set when colorspace is changed
+
+If the userspace changes the connector Colorspace property, we need to force a
+modeset, so that the entire pipeline is properly configured.
+
+Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
+---
+ drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+--- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
++++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
+@@ -314,14 +314,16 @@ static int cdns_hdmi_connector_atomic_ch
+ 	struct drm_crtc_state *new_crtc_state;
+ 
+ 	if (!blob_equal(new_con_state->hdr_output_metadata,
+-			old_con_state->hdr_output_metadata)) {
++			old_con_state->hdr_output_metadata) ||
++	    new_con_state->colorspace != old_con_state->colorspace) {
+ 		new_crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ 		if (IS_ERR(new_crtc_state))
+ 			return PTR_ERR(new_crtc_state);
+ 
+ 		new_crtc_state->mode_changed =
+ 			!new_con_state->hdr_output_metadata ||
+-			!old_con_state->hdr_output_metadata;
++			!old_con_state->hdr_output_metadata ||
++			new_con_state->colorspace != old_con_state->colorspace;
+ 	}
+ 
+ 	return 0;