The patch below does not apply to the 6.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.4.y git checkout FETCH_HEAD git cherry-pick -x a00e595207d001432a85758954c3a6f6a9896368 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023072152-disbelief-wrongdoer-e9f2@gregkh' --subject-prefix 'PATCH 6.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From a00e595207d001432a85758954c3a6f6a9896368 Mon Sep 17 00:00:00 2001 From: Alvin Lee <Alvin.Lee2@xxxxxxx> Date: Thu, 27 Apr 2023 15:10:41 -0400 Subject: [PATCH] drm/amd/display: Block SubVP high refresh when VRR active fixed [Description] - SubVP high refresh is blocked when VRR is active variable, but we should also block it for when VRR is active fixed (video use case) Reviewed-by: Nevenko Stupar <Nevenko.Stupar@xxxxxxx> Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx> Cc: Mario Limonciello <mario.limonciello@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Acked-by: Alex Hung <alex.hung@xxxxxxx> Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 46fd7b68857c..cd28980b2b56 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -2825,7 +2825,7 @@ bool dcn32_allow_subvp_high_refresh_rate(struct dc *dc, struct dc_state *context uint32_t i; if (!dc->debug.disable_subvp_high_refresh && pipe->stream && - pipe->plane_state && !pipe->stream->vrr_active_variable) { + pipe->plane_state && !(pipe->stream->vrr_active_variable || pipe->stream->vrr_active_fixed)) { refresh_rate = (pipe->stream->timing.pix_clk_100hz * 100 + pipe->stream->timing.v_total * pipe->stream->timing.h_total - 1) / (double)(pipe->stream->timing.v_total * pipe->stream->timing.h_total);