diff options
| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2022-06-16 10:15:22 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-05 16:12:00 -0400 |
| commit | 00fa7f031dd4b885175da390e24cb02f6a45977e (patch) | |
| tree | 15419dea937743f79a3eab26a9cb86f55c1b38bb /drivers/gpu/drm/amd/display/dmub | |
| parent | bbb6e5ae7ccfed7be06b5e8f99602100d4251d5f (diff) | |
| download | linux-stable-00fa7f031dd4b885175da390e24cb02f6a45977e.tar.gz linux-stable-00fa7f031dd4b885175da390e24cb02f6a45977e.tar.bz2 linux-stable-00fa7f031dd4b885175da390e24cb02f6a45977e.zip | |
drm/amd/display: Add basic infrastructure for enabling FAMS
We want to enable Firmware Assisted Memory (FAMS) Switching, but first,
we need to add the required code infrastructure in DC before allowing it
in amdgpu_dm.
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@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 | 25 |
1 files changed, 24 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 4e21ff32800f..de193636d022 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -242,7 +242,8 @@ struct dmub_feature_caps { * Max PSR version supported by FW. */ uint8_t psr; - uint8_t reserved[7]; + uint8_t fw_assisted_mclk_switch; + uint8_t reserved[6]; }; #if defined(__cplusplus) @@ -2773,6 +2774,26 @@ struct dmub_rb_cmd_drr_update { struct dmub_optc_state dmub_optc_state_req; }; +struct dmub_cmd_fw_assisted_mclk_switch_pipe_data { + uint32_t pix_clk_100hz; + uint8_t max_ramp_step; + uint8_t pipes; + uint8_t min_refresh_in_hz; + uint8_t padding[1]; +}; + +struct dmub_cmd_fw_assisted_mclk_switch_config { + uint8_t fams_enabled; + uint8_t visual_confirm_enabled; + uint8_t padding[2]; + struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_STREAMS]; +}; + +struct dmub_rb_cmd_fw_assisted_mclk_switch { + struct dmub_cmd_header header; + struct dmub_cmd_fw_assisted_mclk_switch_config config_data; +}; + /** * enum dmub_cmd_panel_cntl_type - Panel control command. */ @@ -3111,6 +3132,8 @@ union dmub_rb_cmd { */ struct dmub_rb_cmd_query_feature_caps query_feature_caps; struct dmub_rb_cmd_drr_update drr_update; + struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch; + /** * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command. */ |