| From 879791ad8bf3dc5453061cad74776a617b6e3319 Mon Sep 17 00:00:00 2001 |
| From: Benjamin Marty <info@benjaminmarty.ch> |
| Date: Wed, 23 Mar 2022 22:08:26 +0100 |
| Subject: drm/amdgpu/display: change pipe policy for DCN 2.1 |
| |
| From: Benjamin Marty <info@benjaminmarty.ch> |
| |
| commit 879791ad8bf3dc5453061cad74776a617b6e3319 upstream. |
| |
| Fixes crash on MST Hub disconnect. |
| |
| Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1849 |
| Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split") |
| Signed-off-by: Benjamin Marty <info@benjaminmarty.ch> |
| Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
| Cc: stable@vger.kernel.org |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c |
| +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c |
| @@ -874,7 +874,7 @@ static const struct dc_debug_options deb |
| .clock_trace = true, |
| .disable_pplib_clock_request = true, |
| .min_disp_clk_khz = 100000, |
| - .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, |
