Commit 8b8eda01 authored Sep 06, 2019 by Dmytro Laktyushkin Committed by Alex Deucher Oct 10, 2019

drm/amd/display: fix pipe re-assignment when odm present



Currently pipe split may steal an existing ODM pipe depending on stream
sequence. This change prevents that from happening as easily.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Gary Kattan <Gary.Kattan@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 377c9d04

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2202,7 +2202,8 @@ static struct pipe_ctx dcn20_find_secondary_pipe(struct dc dc,
		*/
		if (secondary_pipe == NULL) {
		for (j = dc->res_pool->pipe_count - 1; j >= 0; j--) {
		if (dc->current_state->res_ctx.pipe_ctx[j].top_pipe == NULL) {
		if (dc->current_state->res_ctx.pipe_ctx[j].top_pipe == NULL
		&& dc->current_state->res_ctx.pipe_ctx[j].prev_odm_pipe == NULL) {
		preferred_pipe_idx = j;

		if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {

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