From: Meenakshikumar Somasundaram <[email protected]>
[Why] Pre os firmware information is useful to debug pre os to post os fw transition issues. [How] Add dc interface dc_log_preos_dmcub_info() to log pre os firmware information. Reviewed-by: Cruise Hung <[email protected]> Signed-off-by: Meenakshikumar Somasundaram <[email protected]> Signed-off-by: Wayne Lin <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 5 +++ drivers/gpu/drm/amd/display/dc/dc.h | 2 + drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 21 ++++++++++ drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h | 7 ++++ drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 25 ++++++++++++ .../gpu/drm/amd/display/dmub/src/dmub_dcn35.c | 39 +++++++++++++++++++ .../gpu/drm/amd/display/dmub/src/dmub_dcn35.h | 2 + .../gpu/drm/amd/display/dmub/src/dmub_srv.c | 9 +++++ 8 files changed, 110 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 2eb02345dadd..6ef9dd9ab7a3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -6401,3 +6401,8 @@ void dc_get_underflow_debug_data_for_otg(struct dc *dc, int primary_otg_inst, if (dc->hwss.get_underflow_debug_data) dc->hwss.get_underflow_debug_data(dc, tg, out_data); } + +void dc_log_preos_dmcub_info(const struct dc *dc) +{ + dc_dmub_srv_log_preos_dmcub_info(dc->ctx->dmub_srv); +} diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index b80bcbf7ae13..82ce1fbec7d8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -2727,6 +2727,8 @@ unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context); bool dc_get_host_router_index(const struct dc_link *link, unsigned int *host_router_index); +void dc_log_preos_dmcub_info(const struct dc *dc); + /* DSC Interfaces */ #include "dc_dsc.h" diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 4b20c01bf646..fffbf1983143 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -2344,3 +2344,24 @@ void dc_dmub_srv_release_hw(const struct dc *dc) dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); } + +void dc_dmub_srv_log_preos_dmcub_info(struct dc_dmub_srv *dc_dmub_srv) +{ + struct dmub_srv *dmub; + + if (!dc_dmub_srv || !dc_dmub_srv->dmub) + return; + + dmub = dc_dmub_srv->dmub; + + if (dmub_srv_get_preos_info(dmub)) { + DC_LOG_DEBUG("%s: PreOS DMCUB Info", __func__); + DC_LOG_DEBUG("fw_version : 0x%08x", dmub->preos_info.fw_version); + DC_LOG_DEBUG("boot_options : 0x%08x", dmub->preos_info.boot_options); + DC_LOG_DEBUG("boot_status : 0x%08x", dmub->preos_info.boot_status); + DC_LOG_DEBUG("trace_buffer_phy_addr : 0x%016llx", dmub->preos_info.trace_buffer_phy_addr); + DC_LOG_DEBUG("trace_buffer_size_bytes : 0x%08x", dmub->preos_info.trace_buffer_size); + DC_LOG_DEBUG("fb_base : 0x%016llx", dmub->preos_info.fb_base); + DC_LOG_DEBUG("fb_offset : 0x%016llx", dmub->preos_info.fb_offset); + } +} diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h index 9bb00d48fd5e..72e0a41f39f0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h @@ -367,4 +367,11 @@ bool dc_dmub_srv_is_cursor_offload_enabled(const struct dc *dc); * @dc - pointer to DC object */ void dc_dmub_srv_release_hw(const struct dc *dc); + +/** + * dc_dmub_srv_log_preos_dmcub_info() - Logs preos dmcub fw info. + * + * @dc - pointer to DC object + */ +void dc_dmub_srv_log_preos_dmcub_info(struct dc_dmub_srv *dc_dmub_srv); #endif /* _DMUB_DC_SRV_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index f25c2fc2f98f..9d0168986fe7 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -363,6 +363,19 @@ struct dmub_diagnostic_data { uint8_t is_pwait : 1; }; +/** + * struct dmub_preos_info - preos fw info before loading post os fw. + */ +struct dmub_preos_info { + uint64_t fb_base; + uint64_t fb_offset; + uint64_t trace_buffer_phy_addr; + uint32_t trace_buffer_size; + uint32_t fw_version; + uint32_t boot_status; + uint32_t boot_options; +}; + struct dmub_srv_inbox { /* generic status */ uint64_t num_submitted; @@ -488,6 +501,7 @@ struct dmub_srv_hw_funcs { uint32_t (*get_current_time)(struct dmub_srv *dmub); void (*get_diagnostic_data)(struct dmub_srv *dmub); + bool (*get_preos_fw_info)(struct dmub_srv *dmub); bool (*should_detect)(struct dmub_srv *dmub); void (*init_reg_offsets)(struct dmub_srv *dmub, struct dc_context *ctx); @@ -588,6 +602,7 @@ struct dmub_srv { enum dmub_srv_power_state_type power_state; struct dmub_diagnostic_data debug; struct dmub_fb lsdma_rb_fb; + struct dmub_preos_info preos_info; }; /** @@ -1073,4 +1088,14 @@ enum dmub_status dmub_srv_wait_for_inbox_free(struct dmub_srv *dmub, */ enum dmub_status dmub_srv_update_inbox_status(struct dmub_srv *dmub); +/** + * dmub_srv_get_preos_info() - retrieves preos fw info + * @dmub: the dmub service + * + * Return: + * true - preos fw info retrieved successfully + * false - preos fw info not retrieved successfully + */ +bool dmub_srv_get_preos_info(struct dmub_srv *dmub); + #endif /* _DMUB_SRV_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c index b40482dbd6ad..e13557ed97be 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c @@ -521,6 +521,45 @@ void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub) dmub->debug.gpint_datain0 = REG_READ(DMCUB_GPINT_DATAIN0); } + +bool dmub_dcn35_get_preos_fw_info(struct dmub_srv *dmub) +{ + uint64_t region3_cw5_offset; + uint32_t top_addr, top_addr_enable, offset_low; + uint32_t offset_high, base_addr, fw_version; + bool is_vbios_fw = false; + + memset(&dmub->preos_info, 0, sizeof(dmub->preos_info)); + + fw_version = REG_READ(DMCUB_SCRATCH1); + is_vbios_fw = ((fw_version >> 6) & 0x01) ? true : false; + if (!is_vbios_fw) + return false; + + dmub->preos_info.boot_status = REG_READ(DMCUB_SCRATCH0); + dmub->preos_info.fw_version = REG_READ(DMCUB_SCRATCH1); + dmub->preos_info.boot_options = REG_READ(DMCUB_SCRATCH14); + REG_GET(DMCUB_REGION3_CW5_TOP_ADDRESS, + DMCUB_REGION3_CW5_ENABLE, &top_addr_enable); + if (top_addr_enable) { + dmub_dcn35_get_fb_base_offset(dmub, + &dmub->preos_info.fb_base, &dmub->preos_info.fb_offset); + offset_low = REG_READ(DMCUB_REGION3_CW5_OFFSET); + offset_high = REG_READ(DMCUB_REGION3_CW5_OFFSET_HIGH); + region3_cw5_offset = ((uint64_t)offset_high << 32) | offset_low; + dmub->preos_info.trace_buffer_phy_addr = region3_cw5_offset + - dmub->preos_info.fb_base + dmub->preos_info.fb_offset; + + REG_GET(DMCUB_REGION3_CW5_TOP_ADDRESS, + DMCUB_REGION3_CW5_TOP_ADDRESS, &top_addr); + base_addr = REG_READ(DMCUB_REGION3_CW5_BASE_ADDRESS) & 0x1FFFFFFF; + dmub->preos_info.trace_buffer_size = + (top_addr > base_addr) ? (top_addr - base_addr + 1) : 0; + } + + return true; +} + void dmub_dcn35_configure_dmub_in_system_memory(struct dmub_srv *dmub) { /* DMCUB_REGION3_TMR_AXI_SPACE values: diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.h index 39fcb7275da5..92e6695a2c9b 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.h @@ -285,4 +285,6 @@ bool dmub_dcn35_is_hw_powered_up(struct dmub_srv *dmub); void dmub_srv_dcn35_regs_init(struct dmub_srv *dmub, struct dc_context *ctx); +bool dmub_dcn35_get_preos_fw_info(struct dmub_srv *dmub); + #endif /* _DMUB_DCN35_H_ */ 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 0244c9b44ecc..a657efda89ce 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -359,6 +359,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) funcs->get_current_time = dmub_dcn35_get_current_time; funcs->get_diagnostic_data = dmub_dcn35_get_diagnostic_data; + funcs->get_preos_fw_info = dmub_dcn35_get_preos_fw_info; funcs->init_reg_offsets = dmub_srv_dcn35_regs_init; if (asic == DMUB_ASIC_DCN351) @@ -1372,3 +1373,11 @@ enum dmub_status dmub_srv_update_inbox_status(struct dmub_srv *dmub) return DMUB_STATUS_OK; } + +bool dmub_srv_get_preos_info(struct dmub_srv *dmub) +{ + if (!dmub || !dmub->hw_funcs.get_preos_fw_info) + return false; + + return dmub->hw_funcs.get_preos_fw_info(dmub); +} -- 2.43.0
