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drm/amd/display: Add DP 2.0 BIOS and DMUB Support

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Parse DP2 encoder caps and hpo instance from bios

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Fangzhi Zuo 2021-06-15 16:48:17 -04:00 committed by Alex Deucher
parent d76b12da98
commit 5a2730fc1f
7 changed files with 41 additions and 1 deletions
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10
drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
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@ -1604,6 +1604,16 @@ static enum bp_result bios_parser_get_encoder_cap_info(
ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
info->HDMI_6GB_EN = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
#if defined(CONFIG_DRM_AMD_DC_DCN)
info->IS_DP2_CAPABLE = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
info->DP_UHBR10_EN = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
info->DP_UHBR13_5_EN = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
info->DP_UHBR20_EN = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
#endif
info->DP_IS_USB_C = (record->encodercaps &
ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;

10
drivers/gpu/drm/amd/display/dc/bios/command_table2.c
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@ -340,6 +340,13 @@ static enum bp_result transmitter_control_v1_7(
const struct command_table_helper *cmd = bp->cmd_helper;
struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7 = {0};
#if defined(CONFIG_DRM_AMD_DC_DCN)
uint8_t hpo_instance = (uint8_t)cntl->hpo_engine_id - ENGINE_ID_HPO_0;
if (dc_is_dp_signal(cntl->signal))
hpo_instance = (uint8_t)cntl->hpo_engine_id - ENGINE_ID_HPO_DP_0;
#endif
dig_v1_7.phyid = cmd->phy_id_to_atom(cntl->transmitter);
dig_v1_7.action = (uint8_t)cntl->action;
@ -353,6 +360,9 @@ static enum bp_result transmitter_control_v1_7(
dig_v1_7.hpdsel = cmd->hpd_sel_to_atom(cntl->hpd_sel);
dig_v1_7.digfe_sel = cmd->dig_encoder_sel_to_atom(cntl->engine_id);
dig_v1_7.connobj_id = (uint8_t)cntl->connector_obj_id.id;
#if defined(CONFIG_DRM_AMD_DC_DCN)
dig_v1_7.HPO_instance = hpo_instance;
#endif
dig_v1_7.symclk_units.symclk_10khz = cntl->pixel_clock/10;
if (cntl->action == TRANSMITTER_CONTROL_ENABLE ||

4
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_link_encoder.c
View File

@ -192,6 +192,10 @@ void dcn30_link_encoder_construct(
enc10->base.features.flags.bits.IS_HBR3_CAPABLE =
bp_cap_info.DP_HBR3_EN;
enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
enc10->base.features.flags.bits.IS_DP2_CAPABLE = bp_cap_info.IS_DP2_CAPABLE;
enc10->base.features.flags.bits.IS_UHBR10_CAPABLE = bp_cap_info.DP_UHBR10_EN;
enc10->base.features.flags.bits.IS_UHBR13_5_CAPABLE = bp_cap_info.DP_UHBR13_5_EN;
enc10->base.features.flags.bits.IS_UHBR20_CAPABLE = bp_cap_info.DP_UHBR20_EN;
enc10->base.features.flags.bits.DP_IS_USB_C =
bp_cap_info.DP_IS_USB_C;
} else {

4
drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
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@ -59,6 +59,10 @@ struct encoder_feature_support {
uint32_t IS_TPS3_CAPABLE:1;
uint32_t IS_TPS4_CAPABLE:1;
uint32_t HDMI_6GB_EN:1;
uint32_t IS_DP2_CAPABLE:1;
uint32_t IS_UHBR10_CAPABLE:1;
uint32_t IS_UHBR13_5_CAPABLE:1;
uint32_t IS_UHBR20_CAPABLE:1;
uint32_t DP_IS_USB_C:1;
} bits;
uint32_t raw;

2
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
View File

@ -974,7 +974,7 @@ struct dmub_dig_transmitter_control_data_v1_7 {
uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
uint8_t reserved0; /**< For future use */
uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
uint8_t reserved1; /**< For future use */
uint8_t reserved2[3]; /**< For future use */
uint32_t reserved3[11]; /**< For future use */

8
drivers/gpu/drm/amd/display/include/bios_parser_types.h
View File

@ -152,6 +152,10 @@ struct bp_transmitter_control {
enum signal_type signal;
enum dc_color_depth color_depth; /* not used for DCE6.0 */
enum hpd_source_id hpd_sel; /* ucHPDSel, used for DCe6.0 */
#if defined(CONFIG_DRM_AMD_DC_DCN)
enum tx_ffe_id txffe_sel; /* used for DCN3 */
enum engine_id hpo_engine_id; /* used for DCN3 */
#endif
struct graphics_object_id connector_obj_id;
/* symClock; in 10kHz, pixel clock, in HDMI deep color mode, it should
* be pixel clock * deep_color_ratio (in KHz)
@ -319,6 +323,10 @@ struct bp_encoder_cap_info {
uint32_t DP_HBR2_EN:1;
uint32_t DP_HBR3_EN:1;
uint32_t HDMI_6GB_EN:1;
uint32_t IS_DP2_CAPABLE:1;
uint32_t DP_UHBR10_EN:1;
uint32_t DP_UHBR13_5_EN:1;
uint32_t DP_UHBR20_EN:1;
uint32_t DP_IS_USB_C:1;
uint32_t RESERVED:27;
};

4
drivers/gpu/drm/amd/include/atomfirmware.h
View File

@ -768,6 +768,10 @@ enum atom_encoder_caps_def
ATOM_ENCODER_CAP_RECORD_HBR2_EN =0x02, // DP1.2 HBR2 setting is qualified and HBR2 can be enabled
ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN =0x04, // HDMI2.0 6Gbps enable or not.
ATOM_ENCODER_CAP_RECORD_HBR3_EN =0x08, // DP1.3 HBR3 is supported by board.
ATOM_ENCODER_CAP_RECORD_DP2 =0x10, // DP2 is supported by ASIC/board.
ATOM_ENCODER_CAP_RECORD_UHBR10_EN =0x20, // DP2.0 UHBR10 settings is supported by board
ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN =0x40, // DP2.0 UHBR13.5 settings is supported by board
ATOM_ENCODER_CAP_RECORD_UHBR20_EN =0x80, // DP2.0 UHBR20 settings is supported by board
ATOM_ENCODER_CAP_RECORD_USB_C_TYPE =0x100, // the DP connector is a USB-C type.
};