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drm/amd/display: Don't allocate payloads if link lost

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We should not allocate payloads if the link is lost until the link is retrained.
Some displays require this.

Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee
2019-08-02 13:42:49 -04:00
committed by Alex Deucher
parent e6d14df740
commit 48af9b91b1
6 changed files with 34 additions and 13 deletions
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2
drivers/gpu/drm/amd/display/dc/dm_helpers.h
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@@ -74,7 +74,7 @@ void dm_helpers_dp_mst_clear_payload_allocation_table(
/*
* Polls for ACT (allocation change trigger) handled and
*/
bool dm_helpers_dp_mst_poll_for_allocation_change_trigger(
enum act_return_status dm_helpers_dp_mst_poll_for_allocation_change_trigger(
struct dc_context *ctx,
const struct dc_stream_state *stream);
/*