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

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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>
This commit is contained in:
Dmytro Laktyushkin
2019-09-06 11:12:14 -04:00
committed by Alex Deucher
parent 377c9d0473
commit 8b8eda0144
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@@ -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) {