From: Charlene Liu <Charlene.Liu@xxxxxxx>
[Why&How]
add debug option to bypass ssinfo from bios.
Reviewed-by: Chris Park <Chris.Park@xxxxxxx>
Acked-by: Solomon Chiu <solomon.chiu@xxxxxxx>
Signed-off-by: Charlene Liu <Charlene.Liu@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c | 2 ++
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c | 2 ++
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
3 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
index b210f8e9d592..dfba6138f538 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
@@ -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;
}
}
}
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
index e17c9938cee5..59fdd7f0d609 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
@@ -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;
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 9fa87a426f9c..c5a36c81d0b8 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -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;
--
2.25.1
