diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c | 40 |
1 files changed, 40 insertions, 0 deletions
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 834e5434ccb8..e13557ed97be 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c @@ -418,6 +418,7 @@ void dmub_dcn35_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmu boot_options.bits.disable_sldo_opt = params->disable_sldo_opt; boot_options.bits.enable_non_transparent_setconfig = params->enable_non_transparent_setconfig; boot_options.bits.lower_hbr3_phy_ssc = params->lower_hbr3_phy_ssc; + boot_options.bits.disable_dpia_bw_allocation = params->disable_dpia_bw_allocation; REG_WRITE(DMCUB_SCRATCH14, boot_options.all); } @@ -520,6 +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: |