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drm/amd/display: Add helpers to get DMUB FW boot options

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[Why & How]
To query the bits and print them out for debug purposes.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Cruise Hung <cruise.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Cruise Hung 2023-06-21 17:11:53 +08:00 committed by Alex Deucher
parent 65e9d632e3
commit 6c3162d03b
4 changed files with 29 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dmub/dmub_srv.h
View File

@ -378,6 +378,7 @@ struct dmub_srv_hw_funcs {
union dmub_fw_boot_status (*get_fw_status)(struct dmub_srv *dmub);
union dmub_fw_boot_options (*get_fw_boot_option)(struct dmub_srv *dmub);
void (*set_gpint)(struct dmub_srv *dmub,
union dmub_gpint_data_register reg);
@ -778,6 +779,9 @@ void dmub_flush_buffer_mem(const struct dmub_fb *fb);
enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub,
union dmub_fw_boot_status *status);
enum dmub_status dmub_srv_get_fw_boot_option(struct dmub_srv *dmub,
union dmub_fw_boot_options *option);
enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub,
union dmub_rb_cmd *cmd);

8
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
View File

@ -352,6 +352,14 @@ union dmub_fw_boot_status dmub_dcn31_get_fw_boot_status(struct dmub_srv *dmub)
return status;
}
union dmub_fw_boot_options dmub_dcn31_get_fw_boot_option(struct dmub_srv *dmub)
{
union dmub_fw_boot_options option;
option.all = REG_READ(DMCUB_SCRATCH14);
return option;
}
void dmub_dcn31_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params)
{
union dmub_fw_boot_options boot_options = {0};

2
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h
View File

@ -239,6 +239,8 @@ void dmub_dcn31_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip)
union dmub_fw_boot_status dmub_dcn31_get_fw_boot_status(struct dmub_srv *dmub);
union dmub_fw_boot_options dmub_dcn31_get_fw_boot_option(struct dmub_srv *dmub);
void dmub_dcn31_setup_outbox0(struct dmub_srv *dmub,
const struct dmub_region *outbox0);

15
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
View File

@ -255,6 +255,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
funcs->get_gpint_response = dmub_dcn31_get_gpint_response;
funcs->get_gpint_dataout = dmub_dcn31_get_gpint_dataout;
funcs->get_fw_status = dmub_dcn31_get_fw_boot_status;
funcs->get_fw_boot_option = dmub_dcn31_get_fw_boot_option;
funcs->enable_dmub_boot_options = dmub_dcn31_enable_dmub_boot_options;
funcs->skip_dmub_panel_power_sequence = dmub_dcn31_skip_dmub_panel_power_sequence;
//outbox0 call stacks
@ -846,6 +847,20 @@ enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub,
return DMUB_STATUS_OK;
}
enum dmub_status dmub_srv_get_fw_boot_option(struct dmub_srv *dmub,
union dmub_fw_boot_options *option)
{
option->all = 0;
if (!dmub->sw_init)
return DMUB_STATUS_INVALID;
if (dmub->hw_funcs.get_fw_boot_option)
*option = dmub->hw_funcs.get_fw_boot_option(dmub);
return DMUB_STATUS_OK;
}
enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub,
union dmub_rb_cmd *cmd)
{