[AMD Official Use Only]
-----Original Message----- From: Liu, Zhan <[email protected]> Sent: Wednesday, January 19, 2022 5:17 PM To: [email protected] Cc: Liu, Charlene <[email protected]>; Cornij, Nikola <[email protected]>; Gutierrez, Agustin <[email protected]>; Pierre-Loup Griffais <[email protected]>; Kotarac, Pavle <[email protected]> Subject: [PATCH] drm/amd/display: Correct MPC split policy for DCN301 [AMD Official Use Only] [Why] DCN301 has seamless boot enabled. With MPC split enabled at the same time, system will hang. [How] Revert MPC split policy back to "MPC_SPLIT_AVOID". Since we have ODM combine enabled on DCN301, pipe split is not necessary here. Signed-off-by: Zhan Liu <[email protected]> Reviewed-by: Charlene Liu <[email protected]> --- drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index c1c6e602b06c..b4001233867c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c @@ -686,7 +686,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_clock_gate = true, .disable_pplib_clock_request = true, .disable_pplib_wm_range = true, - .pipe_split_policy = MPC_SPLIT_DYNAMIC, + .pipe_split_policy = MPC_SPLIT_AVOID, .force_single_disp_pipe_split = false, .disable_dcc = DCC_ENABLE, .vsr_support = true, -- 2.25.1
