diff options
| author | Shah Dharati <dharati.shah@amd.com> | 2022-02-16 14:17:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-02 18:40:05 -0500 |
| commit | b51759661e2987993fb49eadcc262d6a2ab2a698 (patch) | |
| tree | 6c1ea1b46f6214e1f00122ecdd1a21f0adb6d7b3 /drivers/gpu/drm | |
| parent | 91dcfe5fd9d3a59aec4a40031c1eef00b41b8f74 (diff) | |
| download | linux-b51759661e2987993fb49eadcc262d6a2ab2a698.tar.bz2 | |
drm/amd/display: Adding a dc_debug option and dmub setting to use PHY FSM for PSR
[Why]
PSR Power on/off is done in PSR. Add a dc_debug option
and dmub setting to use PHY implementation of this instead.
[How]
Add a dc_debug option and dmub setting to use
PHY FSM Power up/down for PSR.
Co-authored-by: Shah Dharati <dharati.shah@amd.com>
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Shah Dharati <dharati.shah@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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 8 |
4 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 55d43d642b38..7c8b6e1a9c9e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -710,6 +710,7 @@ struct dc_debug_options { #endif bool apply_vendor_specific_lttpr_wa; bool ignore_dpref_ss; + uint8_t psr_power_use_phy_fsm; }; struct gpu_info_soc_bounding_box_v1_0; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index 8bd265b40847..312c68172689 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -320,6 +320,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, copy_settings_data->otg_inst = 0; // Misc + copy_settings_data->use_phy_fsm = link->ctx->dc->debug.psr_power_use_phy_fsm; copy_settings_data->psr_level = psr_context->psr_level.u32all; copy_settings_data->smu_optimizations_en = psr_context->allow_smu_optimizations; copy_settings_data->multi_disp_optimizations_en = psr_context->allow_multi_disp_optimizations; diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c index a71073482881..9a035e517ca9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c @@ -1035,6 +1035,7 @@ static const struct dc_debug_options debug_defaults_drv = { }, .optimize_edp_link_rate = true, .enable_sw_cntl_psr = true, + .psr_power_use_phy_fsm = 0, }; static const struct dc_debug_options debug_defaults_diags = { 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 34fb148474cc..1377cde0a7e1 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -1560,10 +1560,14 @@ struct dmub_cmd_psr_copy_settings_data { * DSC enable status in driver */ uint8_t dsc_enable_status; + /* + * Use FSM state for PSR power up/down + */ + uint8_t use_phy_fsm; /** - * Explicit padding to 3 byte boundary. + * Explicit padding to 2 byte boundary. */ - uint8_t pad3[3]; + uint8_t pad3[2]; }; /** |