diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-06-21 16:11:28 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-27 17:53:51 -0400 |
| commit | 9793a4a6e5eb8764c7410c361984ed01722bab9f (patch) | |
| tree | 9fceadd214233770ae99f111d35c0cbfa9f3088a /drivers/gpu/drm/amd/display/dc/core | |
| parent | 4437936c6b696b98f3fe1d8679a2788c41b4df77 (diff) | |
drm/amd/display: Notify DMCUB of D0/D3 state
[Why]
We want to avoid arming the HPD timer in firmware when preparing for
S0i3 entry when DC is considered in D3.
[How]
Notify DMCUB of the power state transitions so it can decide to arm
the HPD timer for idle in DCN35 only in D0.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Ovidiu Bunea <Ovidiu.Bunea@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@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/dc/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index c8dabb081b3d..e07e47d74664 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -5161,6 +5161,8 @@ void dc_set_power_state(struct dc *dc, enum dc_acpi_cm_power_state power_state) dc_z10_restore(dc); + dc_dmub_srv_notify_fw_dc_power_state(dc->ctx->dmub_srv, power_state); + dc->hwss.init_hw(dc); if (dc->hwss.init_sys_ctx != NULL && @@ -5172,6 +5174,8 @@ void dc_set_power_state(struct dc *dc, enum dc_acpi_cm_power_state power_state) default: ASSERT(dc->current_state->stream_count == 0); + dc_dmub_srv_notify_fw_dc_power_state(dc->ctx->dmub_srv, power_state); + dc_state_destruct(dc->current_state); break; |