From c2a050c5e07faf9ed2fa1daa1eb642d9da4a879d Mon Sep 17 00:00:00 2001 From: David Zhang Date: Tue, 3 May 2022 17:28:18 -0400 Subject: [PATCH] drm/amd/display: use HW lock mgr for PSR-SU [why] Feature requires synchronization of dig, pipe, and cursor locking between driver and DMUB fw for PSR-SU [how] return True if PSR-SU in the checker should_use_dmub_lock() Signed-off-by: David Zhang Acked-by: Leo Li Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c index b1b2e3c6f379..3f32e9c3fbaf 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c @@ -65,5 +65,7 @@ void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv, bool should_use_dmub_lock(struct dc_link *link) { + if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) + return true; return false; }