Patch "drm/i915/vrr: Disable VRR when using bigjoiner" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/i915/vrr: Disable VRR when using bigjoiner

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-i915-vrr-disable-vrr-when-using-bigjoiner.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From dcd8992e47f13afb5c11a61e8d9c141c35e23751 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@xxxxxxxxxxxxxxx>
Date: Fri, 5 Apr 2024 00:34:29 +0300
Subject: drm/i915/vrr: Disable VRR when using bigjoiner
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

commit dcd8992e47f13afb5c11a61e8d9c141c35e23751 upstream.

All joined pipes share the same transcoder/timing generator.
Currently we just do the commits per-pipe, which doesn't really
work if we need to change switch between non-VRR and VRR timings
generators on the fly, or even when sending the push to the
transcoder. For now just disable VRR when bigjoiner is needed.

Cc: stable@xxxxxxxxxxxxxxx
Tested-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-6-ville.syrjala@xxxxxxxxxxxxxxx
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
(cherry picked from commit f9d5e51db65652dbd8a2102fd7619440e3599fd2)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_vrr.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -110,6 +110,13 @@ intel_vrr_compute_config(struct intel_cr
 	if (!intel_vrr_is_capable(connector))
 		return;
 
+	/*
+	 * FIXME all joined pipes share the same transcoder.
+	 * Need to account for that during VRR toggle/push/etc.
+	 */
+	if (crtc_state->bigjoiner_pipes)
+		return;
+
 	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
 		return;
 


Patches currently in stable-queue which might be from ville.syrjala@xxxxxxxxxxxxxxx are

queue-6.1/drm-client-fully-protect-modes-with-dev-mode_config.mutex.patch
queue-6.1/drm-i915-vrr-disable-vrr-when-using-bigjoiner.patch




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