Commit 177ea58b authored Aug 28, 2023 by Wenjing Liu Committed by Alex Deucher Sep 26, 2023

drm/amd/display: reset stream slice count for new ODM policy



[why]
ODM combine could prevent us from supporting more planes
we will reset ODM slice count back to 1 when all planes have
been removed to maximize the amount of planes supported when
new planes are added.

[how]
reset ODM slice count when all planes are removed.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 036cf278

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -2874,6 +2874,15 @@ bool dc_remove_plane_from_context(

		stream_status->plane_states[stream_status->plane_count] = NULL;

		if (stream_status->plane_count == 0 && dc->config.enable_windowed_mpo_odm)
		/* ODM combine could prevent us from supporting more planes
		* we will reset ODM slice count back to 1 when all planes have
		* been removed to maximize the amount of planes supported when
		* new planes are added.
		*/
		resource_update_pipes_for_stream_with_slice_count(
		context, dc->current_state, dc->res_pool, stream, 1);

		return true;
		}