From: Charlene Liu <Charlene.Liu@xxxxxxx> [why] DCN31 has this in zstate save/restore sequence. need for non_zstate supported ASIC [how] add this PANEL_PWRSEQ_REF_DIV2 to existing panel_cntl_hw_init structure. Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@xxxxxxx> Acked-by: Agustin Gutierrez <agustin.gutierrez@xxxxxxx> Signed-off-by: Charlene Liu <Charlene.Liu@xxxxxxx> --- .../amd/display/dc/dcn31/dcn31_panel_cntl.c | 5 +- .../drm/amd/display/dc/inc/hw/panel_cntl.h | 1 + .../gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 88 ++++++++++++++++++- 3 files changed, 91 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c index 83ece02380a8..11ea9d13e312 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c @@ -83,7 +83,8 @@ static uint32_t dcn31_panel_cntl_hw_init(struct panel_cntl *panel_cntl) cmd.panel_cntl.data.bl_pwm_period_cntl = panel_cntl->stored_backlight_registers.BL_PWM_PERIOD_CNTL; cmd.panel_cntl.data.bl_pwm_ref_div1 = panel_cntl->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; - + cmd.panel_cntl.data.bl_pwm_ref_div2 = + panel_cntl->stored_backlight_registers.PANEL_PWRSEQ_REF_DIV2; if (!dc_dmub_srv_cmd_with_reply_data(dc_dmub_srv, &cmd)) return 0; @@ -92,6 +93,8 @@ static uint32_t dcn31_panel_cntl_hw_init(struct panel_cntl *panel_cntl) panel_cntl->stored_backlight_registers.BL_PWM_PERIOD_CNTL = cmd.panel_cntl.data.bl_pwm_period_cntl; panel_cntl->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV = cmd.panel_cntl.data.bl_pwm_ref_div1; + panel_cntl->stored_backlight_registers.PANEL_PWRSEQ_REF_DIV2 = + cmd.panel_cntl.data.bl_pwm_ref_div2; return cmd.panel_cntl.data.current_backlight; } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h index 48eac622c6a0..24af9d80b937 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h @@ -39,6 +39,7 @@ struct panel_cntl_backlight_registers { unsigned int BL_PWM_CNTL2; unsigned int BL_PWM_PERIOD_CNTL; unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; + unsigned int PANEL_PWRSEQ_REF_DIV2; }; struct panel_cntl_funcs { 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 8521508af755..294717e09abf 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -1450,6 +1450,80 @@ enum dmub_cmd_mall_type { DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3, }; +/** + * PHY Link rate for DP. + */ +enum phy_link_rate { + /** + * not supported. + */ + PHY_RATE_UNKNOWN = 0, + /** + * Rate_1 (RBR) - 1.62 Gbps/Lane + */ + PHY_RATE_162 = 1, + /** + * Rate_2 - 2.16 Gbps/Lane + */ + PHY_RATE_216 = 2, + /** + * Rate_3 - 2.43 Gbps/Lane + */ + PHY_RATE_243 = 3, + /** + * Rate_4 (HBR) - 2.70 Gbps/Lane + */ + PHY_RATE_270 = 4, + /** + * Rate_5 (RBR2)- 3.24 Gbps/Lane + */ + PHY_RATE_324 = 5, + /** + * Rate_6 - 4.32 Gbps/Lane + */ + PHY_RATE_432 = 6, + /** + * Rate_7 (HBR2)- 5.40 Gbps/Lane + */ + PHY_RATE_540 = 7, + /** + * Rate_8 (HBR3)- 8.10 Gbps/Lane + */ + PHY_RATE_810 = 8, + /** + * UHBR10 - 10.0 Gbps/Lane + */ + PHY_RATE_1000 = 9, + /** + * UHBR13.5 - 13.5 Gbps/Lane + */ + PHY_RATE_1350 = 10, + /** + * UHBR10 - 20.0 Gbps/Lane + */ + PHY_RATE_2000 = 11, +}; + +/** + * enum dmub_phy_fsm_state - PHY FSM states. + * PHY FSM state to transit to during PSR enable/disable. + */ +enum dmub_phy_fsm_state { + DMUB_PHY_FSM_POWER_UP_DEFAULT = 0, + DMUB_PHY_FSM_RESET, + DMUB_PHY_FSM_RESET_RELEASED, + DMUB_PHY_FSM_SRAM_LOAD_DONE, + DMUB_PHY_FSM_INITIALIZED, + DMUB_PHY_FSM_CALIBRATED, + DMUB_PHY_FSM_CALIBRATED_LP, + DMUB_PHY_FSM_CALIBRATED_PG, + DMUB_PHY_FSM_POWER_DOWN, + DMUB_PHY_FSM_PLL_EN, + DMUB_PHY_FSM_TX_EN, + DMUB_PHY_FSM_FAST_LP, +}; + + /** * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command. @@ -1698,9 +1772,16 @@ struct dmub_cmd_psr_force_static_data { */ uint8_t panel_inst; /** - * Explicit padding to 4 byte boundary. + * Phy state to enter. + * Values to use are defined in dmub_phy_fsm_state */ - uint8_t pad[2]; + uint8_t phy_fsm_state; + /** + * Phy rate for DP - RBR/HBR/HBR2/HBR3. + * Set this using enum phy_link_rate. + * This does not support HDMI/DP2 for now. + */ + uint8_t phy_rate; }; /** @@ -2377,6 +2458,9 @@ struct dmub_cmd_panel_cntl_data { uint32_t bl_pwm_ref_div1; /* in/out */ uint8_t is_backlight_on : 1; /* in/out */ uint8_t is_powered_on : 1; /* in/out */ + uint8_t padding[3]; + uint32_t bl_pwm_ref_div2; /* in/out */ + uint8_t reserved[4]; }; /** -- 2.35.1