drm/amd/display: Revert Add workaround to restrict max frac urgent for DPM0

This reverts commit 871512e3
due to multiple issues found.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Teeger <gateeger@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c

@@ -626,21 +626,6 @@ static bool dml2_validate_and_build_resource(const struct dc *in_dc, struct dc_s
 
 	if (result) {
 		unsigned int lowest_state_idx = s->mode_support_params.out_lowest_state_idx;
-		double min_fclk_mhz_for_urgent_workaround = (double)dml2->config.min_fclk_for_urgent_workaround_khz / 1000.0;
-		double max_frac_urgent = (double)dml2->config.max_frac_urgent_for_min_fclk_x1000 / 1000.0;
-
-		if (min_fclk_mhz_for_urgent_workaround > 0.0 && max_frac_urgent > 0.0 &&
-		    (dml2->v20.dml_core_ctx.mp.FractionOfUrgentBandwidth > max_frac_urgent ||
-		     dml2->v20.dml_core_ctx.mp.FractionOfUrgentBandwidthImmediateFlip > max_frac_urgent)) {
-			unsigned int forced_lowest_state_idx = lowest_state_idx;
-
-			while (forced_lowest_state_idx < dml2->v20.dml_core_ctx.states.num_states &&
-			       dml2->v20.dml_core_ctx.states.state_array[forced_lowest_state_idx].fabricclk_mhz <= min_fclk_mhz_for_urgent_workaround) {
-				forced_lowest_state_idx += 1;
-			}
-			lowest_state_idx = forced_lowest_state_idx;
-		}
-
 		out_clks.dispclk_khz = (unsigned int)dml2->v20.dml_core_ctx.mp.Dispclk_calculated * 1000;
 		out_clks.p_state_supported = s->mode_support_info.DRAMClockChangeSupport[0] != dml_dram_clock_change_unsupported;
 		if (in_dc->config.use_default_clock_table &&

drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h

@@ -237,8 +237,6 @@ struct dml2_configuration_options {
 	bool use_clock_dc_limits;
 	bool gpuvm_enable;
 	struct dml2_soc_bb *bb_from_dmub;
-	int max_frac_urgent_for_min_fclk_x1000;
-	int min_fclk_for_urgent_workaround_khz;
 };
 
 /*

drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c

@@ -2153,8 +2153,6 @@ static bool dcn35_resource_construct(
 
 	dc->dml2_options.max_segments_per_hubp = 24;
 	dc->dml2_options.det_segment_size = DCN3_2_DET_SEG_SIZE;/*todo*/
-	dc->dml2_options.max_frac_urgent_for_min_fclk_x1000 = 900;
-	dc->dml2_options.min_fclk_for_urgent_workaround_khz = 400 * 1000;
 
 	if (dc->config.sdpif_request_limit_words_per_umc == 0)
 		dc->config.sdpif_request_limit_words_per_umc = 16;/*todo*/