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drm/amd/display: Fix display corruption w/ VSR enable

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[Why]
Brief corruption is observed on hotplug/unplug with certain display
configurations when VSR is enabled.

[How]
Work around the issue by avoiding 2to1 ODM when stream plane_count is 0.

Reviewed-by: Dillon Varone <Dillon.Varone@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ilya Bakoulin
2022-11-11 12:03:54 -05:00
committed by Alex Deucher
parent 9b216b7e38
commit e643cd3842
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
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@@ -1924,7 +1924,7 @@ int dcn32_populate_dml_pipes_from_context(
pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal;
if (context->stream_count == 1 &&
context->stream_status[0].plane_count <= 1 &&
context->stream_status[0].plane_count == 1 &&
!dc_is_hdmi_signal(res_ctx->pipe_ctx[i].stream->signal) &&
is_h_timing_divisible_by_2(res_ctx->pipe_ctx[i].stream) &&
pipe->stream->timing.pix_clk_100hz * 100 > DCN3_2_VMIN_DISPCLK_HZ &&