[PATCH] drm/amdgpu/display: change pipe policy for DCN 2.0

[Harry Wentland]

On 2022-02-03 13:58, Alex Deucher wrote:
> Fixes hangs on driver load on DCN 2.0 parts.
> 
> Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215511
> Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> index fcf388b509db..d9b3f449bf9b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> @@ -1069,7 +1069,7 @@ 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,