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drm/amdgpu/display: change pipe policy for DCN 2.0

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commit 6e7545ddb13416fd200e0b91c0acfd0404e2e27b upstream.

Fixes hangs on driver load with multiple displays on
DCN 2.0 parts.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215511
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1877
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1886
Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2022-02-03 10:04:58 -05:00 committed by Greg Kroah-Hartman
parent 0e546bb132
commit c1af59449d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@ -1067,7 +1067,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.timing_trace = false,
.clock_trace = true,
.disable_pplib_clock_request = true,
.pipe_split_policy = MPC_SPLIT_DYNAMIC,
.pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
.force_single_disp_pipe_split = false,
.disable_dcc = DCC_ENABLE,
.vsr_support = true,