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  • Kirill Smelkov
  • linux
  • Repository
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  • linux
  • ..
  • amdgpu_dm
  • amdgpu_dm_helpers.c
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  • Wayne Lin's avatar
    drm/amdgpu/display/mst: limit payload to be updated one by one · cb1e0b01
    Wayne Lin authored Dec 09, 2022
    [Why]
    amdgpu expects to update payload table for one stream one time
    by calling dm_helpers_dp_mst_write_payload_allocation_table().
    Currently, it get modified to try to update HW payload table
    at once by referring mst_state.
    
    [How]
    This is just a quick workaround. Should find way to remove the
    temporary struct dc_dp_mst_stream_allocation_table later if set
    struct link_mst_stream_allocatio directly is possible.
    
    Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2171
    
    
    Signed-off-by: default avatarWayne Lin <Wayne.Lin@amd.com>
    Signed-off-by: default avatarHarry Wentland <harry.wentland@amd.com>
    Fixes: 4d07b0bc
    
     ("drm/display/dp_mst: Move all payload info into the atomic state")
    Cc: stable@vger.kernel.org # 6.1
    Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
    Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
    Tested-by: default avatarDidier Raboud <odyx@debian.org>
    Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
    cb1e0b01
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