[PATCH v2 12/19] drm/amd/display: use HW lock mgr for PSR-SU
David Zhang
dingchen.zhang at amd.com
Tue May 10 20:45:01 UTC 2022
[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 <dingchen.zhang at amd.com>
---
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;
}
--
2.25.1
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