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drm/amd/display: Enable pflip interrupt upon pipe enable

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[Why]
pflip interrupt would not be enabled promptly if a pipe is disabled
and re-enabled, causing flip_done timeout error during DP
compliance tests

[How]
Enable pflip interrupt upon pipe enablement

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Qingqing Zhuo
2021-02-19 17:17:50 -05:00
committed by Alex Deucher
parent 680174cfd1
commit 7afa0033d6
10 changed files with 37 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -4725,6 +4725,7 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev,
dc_plane_state->global_alpha_value = plane_info.global_alpha_value;
dc_plane_state->dcc = plane_info.dcc;
dc_plane_state->layer_index = plane_info.layer_index; // Always returns 0
dc_plane_state->flip_int_enabled = true;
/*
* Always set input transfer function, since plane state is refreshed