diff options
| author | Jun Lei <Jun.Lei@amd.com> | 2020-02-12 11:29:06 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-15 17:52:42 -0400 |
| commit | 93669c8e480dca87235d8dcd364f47406b6129b3 (patch) | |
| tree | d674fc6cca22fb606c6e42ecabe2f9bf4b74e815 /drivers/gpu/drm/amd/display/dc/dcn30 | |
| parent | e9462a32792c46d5ce25cb2eb37dd8f8241c8c08 (diff) | |
drm/amd/display: get socBB from VBIOS
[why]
Some SOC BB paramters may vary per SKU, and it does
not make sense for driver to hardcode these values
[how]
Parse the values from VBIOS if available, and use
them if valid
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 168e6e4efaf4..dde87baf1370 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -1828,6 +1828,22 @@ static bool init_soc_bounding_box(struct dc *dc, loaded_ip->max_num_dpp = pool->base.pipe_count; loaded_ip->clamp_min_dcfclk = dc->config.clamp_min_dcfclk; dcn20_patch_bounding_box(dc, loaded_bb); + + if (!bb && dc->ctx->dc_bios->funcs->get_soc_bb_info) { + struct bp_soc_bb_info bb_info = {0}; + + if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) { + if (bb_info.dram_clock_change_latency_100ns > 0) + dcn3_0_soc.dram_clock_change_latency_us = bb_info.dram_clock_change_latency_100ns * 10; + + if (bb_info.dram_sr_enter_exit_latency_100ns > 0) + dcn3_0_soc.sr_enter_plus_exit_time_us = bb_info.dram_sr_enter_exit_latency_100ns * 10; + + if (bb_info.dram_sr_exit_latency_100ns > 0) + dcn3_0_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10; + } + } + return true; } |