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/dmub | |
| 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/dmub')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index c5f99cbff0b6..f5dda1d69ae0 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -1879,7 +1879,12 @@ enum dmub_cmd_idle_opt_type { /** * DCN hardware notify idle. */ - DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2 + DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2, + + /** + * DCN hardware notify power state. + */ + DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE = 3, }; /** @@ -1907,6 +1912,33 @@ struct dmub_rb_cmd_idle_opt_dcn_notify_idle { }; /** + * enum dmub_idle_opt_dc_power_state - DC power states. + */ +enum dmub_idle_opt_dc_power_state { + DMUB_IDLE_OPT_DC_POWER_STATE_UNKNOWN = 0, + DMUB_IDLE_OPT_DC_POWER_STATE_D0 = 1, + DMUB_IDLE_OPT_DC_POWER_STATE_D1 = 2, + DMUB_IDLE_OPT_DC_POWER_STATE_D2 = 4, + DMUB_IDLE_OPT_DC_POWER_STATE_D3 = 8, +}; + +/** + * struct dmub_idle_opt_set_dc_power_state_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command. + */ +struct dmub_idle_opt_set_dc_power_state_data { + uint8_t power_state; /**< power state */ + uint8_t pad[3]; /**< padding */ +}; + +/** + * struct dmub_rb_cmd_idle_opt_set_dc_power_state - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command. + */ +struct dmub_rb_cmd_idle_opt_set_dc_power_state { + struct dmub_cmd_header header; /**< header */ + struct dmub_idle_opt_set_dc_power_state_data data; +}; + +/** * struct dmub_clocks - Clock update notification. */ struct dmub_clocks { @@ -5298,6 +5330,10 @@ union dmub_rb_cmd { * Definition of a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command. */ struct dmub_rb_cmd_idle_opt_dcn_notify_idle idle_opt_notify_idle; + /** + * Definition of a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command. + */ + struct dmub_rb_cmd_idle_opt_set_dc_power_state idle_opt_set_dc_power_state; /* * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command. */ |