The patch below does not apply to the 4.19-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>. Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 7fb19d9510937121a1f285894cffd30bc96572e3 Mon Sep 17 00:00:00 2001 From: Josip Pavic <josip.pavic@xxxxxxx> Date: Fri, 9 Feb 2024 16:05:18 -0500 Subject: [PATCH] drm/amd/display: Allow dirty rects to be sent to dmub when abm is active [WHY] It's beneficial for ABM to know when new frame data are available. [HOW] Add new condition to allow dirty rects to be sent to DMUB when ABM is active. ABM will use this as a signal that a new frame has arrived. Cc: Mario Limonciello <mario.limonciello@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Anthony Koo <anthony.koo@xxxxxxx> Acked-by: Alex Hung <alex.hung@xxxxxxx> Signed-off-by: Josip Pavic <josip.pavic@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 5211c1c0f3c0c..613d09c42f3b9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3270,6 +3270,9 @@ static bool dc_dmub_should_send_dirty_rect_cmd(struct dc *dc, struct dc_stream_s if (stream->link->replay_settings.config.replay_supported) return true; + if (stream->ctx->dce_version >= DCN_VERSION_3_5 && stream->abm_level) + return true; + return false; } -- 2.43.0
