This is a note to let you know that I've just added the patch titled drm/amd/display: revert Disable DRR actions during state commit 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-amd-display-revert-disable-drr-actions-during-state-commit.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 6f8816261db9251f2635533572f95ab8e530266c Mon Sep 17 00:00:00 2001 From: Martin Leung <Martin.Leung@xxxxxxx> Date: Thu, 3 Nov 2022 11:35:44 -0400 Subject: drm/amd/display: revert Disable DRR actions during state commit From: Martin Leung <Martin.Leung@xxxxxxx> commit 6f8816261db9251f2635533572f95ab8e530266c upstream. why and how: causes unstable on certain surface format/mpo transitions This reverts commit de020e5fa9ebc6fc32e82ae6ccb0282451ed937c Reviewed-by: Wesley Chalmers <Wesley.Chalmers@xxxxxxx> Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx> Signed-off-by: Martin Leung <Martin.Leung@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -992,5 +992,8 @@ void dcn30_prepare_bandwidth(struct dc * dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz); dcn20_prepare_bandwidth(dc, context); + + dc_dmub_srv_p_state_delegate(dc, + context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context); } Patches currently in stable-queue which might be from Martin.Leung@xxxxxxx are queue-6.1/drm-amd-display-revert-disable-drr-actions-during-state-commit.patch queue-6.1/drm-amd-display-fix-array-index-out-of-bound-error-i.patch queue-6.1/drm-amd-display-wait-for-vblank-during-pipe-programm.patch