Eric Bernstein c1127df951 drm/amd/display: Fix null timing generator resource
[Why]
For some customer blending transition cases, the
available pipe for second stream is a pipe index that is
greater than the number of timing generators, which
can cause a problem in acquire_first_free_pipe since it
assumes same index for pipe and timing generator

[How]
Added logic to use last timing generator index
if the pipe index is greater than number of timing generators.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-07-05 16:16:43 -04:00
2022-05-01 13:57:58 -07:00

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