diff options
| author | Eric Yang <Eric.Yang2@amd.com> | 2021-08-25 20:02:22 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 15:57:10 -0400 |
| commit | ac02dc34258569b793b78483154ca336f103946f (patch) | |
| tree | 5d4582fb0c534025912ad5e7ac2536e4e19e293c /drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | |
| parent | 6513104ba4a808de07722ef4ffb960f0229752b4 (diff) | |
drm/amd/display: Add periodic detection when zstate is enabled
[Why]
When system is in Z10 HPD interrupts cannot fire, we may miss display
configuration changes.
[How]
When Zstate is enabled, if DMUB indicate DCN has lost power, do a
complete detection periodically.
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 75a91cfaf036..a6188d067d65 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -234,7 +234,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) funcs->set_outbox0_rptr = dmub_dcn31_set_outbox0_rptr; funcs->get_diagnostic_data = dmub_dcn31_get_diagnostic_data; - + funcs->should_detect = dmub_dcn31_should_detect; funcs->get_current_time = dmub_dcn31_get_current_time; break; @@ -816,3 +816,11 @@ bool dmub_srv_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_ dmub->hw_funcs.get_diagnostic_data(dmub, diag_data); return true; } + +bool dmub_srv_should_detect(struct dmub_srv *dmub) +{ + if (!dmub->hw_init || !dmub->hw_funcs.should_detect) + return false; + + return dmub->hw_funcs.should_detect(dmub); +} |