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drm/amd/display: add debug option to bypass ssinfo from bios.

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[Why&How]
add debug option to bypass ssinfo from bios.

Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2022-02-11 20:55:25 -05:00 committed by Alex Deucher
parent aa34ca52a3
commit 301306a90e
3 changed files with 5 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
View File

@ -374,6 +374,8 @@ void dce_clock_read_ss_info(struct clk_mgr_internal *clk_mgr_dce)
clk_mgr_dce->dprefclk_ss_percentage =
info.spread_spectrum_percentage;
}
if (clk_mgr_dce->base.ctx->dc->debug.ignore_dpref_ss)
clk_mgr_dce->dprefclk_ss_percentage = 0;
}
}
}

2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
View File

@ -697,6 +697,8 @@ void dcn31_clk_mgr_construct(
clk_mgr->base.base.dprefclk_khz = 600000;
clk_mgr->base.dccg->ref_dtbclk_khz = 600000;
dce_clock_read_ss_info(&clk_mgr->base);
/*if bios enabled SS, driver needs to adjust dtb clock, only enable with correct bios*/
//clk_mgr->base.dccg->ref_dtbclk_khz = dce_adjust_dp_ref_freq_for_ss(clk_mgr_internal, clk_mgr->base.base.dprefclk_khz);
clk_mgr->base.base.bw_params = &dcn31_bw_params;

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -709,6 +709,7 @@ struct dc_debug_options {
union dpia_debug_options dpia_debug;
#endif
bool apply_vendor_specific_lttpr_wa;
bool ignore_dpref_ss;
};
struct gpu_info_soc_bounding_box_v1_0;