From: Cruise Hung <cruise.h...@amd.com> [Why & How] To query the bits and print them out for debug purposes.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com> Acked-by: Alan Liu <haoping....@amd.com> Signed-off-by: Cruise Hung <cruise.h...@amd.com> --- drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 4 ++++ drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c | 8 ++++++++ drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h | 2 ++ drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 15 +++++++++++++++ 4 files changed, 29 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index 4585e0419da6..53bd9bf8f0c8 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -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); diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c index 5e952541e72d..094e9f864557 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c @@ -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}; diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h index 89c5a948b67d..4d520a893c7b 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h @@ -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); diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 3253162e3701..70af110af687 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -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) { -- 2.34.1