[PATCH 32/35] drm/amd/display: Fix some HostVM parameters in DML

[Hamza Mahfooz]

From: Taimur Hassan <syed.hassan at amd.com>

[Why]
A number of DML parameters related to HostVM were either missing or
being set incorrectly, which may cause inaccuracies in calculating
margins and determining BW limitations.

[How]
Correct these values where needed and populate the missing values.

Cc: stable at vger.kernel.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Taimur Hassan <syed.hassan at amd.com>
---
 .../drm/amd/display/dc/dml/dcn35/dcn35_fpu.c  | 35 +++++++++++++++++--
 .../display/dc/dml2/dml2_translation_helper.c |  9 +++--
 2 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
index 21c17d3296a3..149cb1c1b525 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
@@ -330,8 +330,39 @@ void dcn35_update_bw_bounding_box_fpu(struct dc *dc,
 	dml_init_instance(&dc->dml, &dcn3_5_soc, &dcn3_5_ip,
 				DML_PROJECT_DCN31);
 
-	/* Update latency values */
-	dc->dml2_options.bbox_overrides.dram_clock_change_latency_us = dcn3_5_soc.dram_clock_change_latency_us;
+	/*copy to dml2, before dml2_create*/
+	if (clk_table->num_entries > 2) {
+
+		for (i = 0; i < clk_table->num_entries; i++) {
+			dc->dml2_options.bbox_overrides.clks_table.num_states =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dcfclk_mhz =
+				clock_limits[i].dcfclk_mhz;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].fclk_mhz =
+				clock_limits[i].fabricclk_mhz;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dispclk_mhz =
+				clock_limits[i].dispclk_mhz;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dppclk_mhz =
+				clock_limits[i].dppclk_mhz;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].socclk_mhz =
+				clock_limits[i].socclk_mhz;
+			dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz =
+				clk_table->entries[i].memclk_mhz * clk_table->entries[i].wck_ratio;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dispclk_levels =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dppclk_levels =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_socclk_levels =
+				clk_table->num_entries;
+			dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels =
+				clk_table->num_entries;
+		}
+	}
+	dc->dml2_options.bbox_overrides.dram_clock_change_latency_us = dcn3_5_soc.dram_clock_change_latency_us * clk_table->entries[i].wck_ratio;
 
 	dc->dml2_options.bbox_overrides.sr_exit_latency_us = dcn3_5_soc.sr_exit_time_us;
 	dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us = dcn3_5_soc.sr_enter_plus_exit_time_us;
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
index 48caa34a5ce7..fa8fe5bf7e57 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
@@ -1057,9 +1057,12 @@ void map_dc_state_into_dml_display_cfg(struct dml2_context *dml2, struct dc_stat
 	}
 
 	//Generally these are set by referencing our latest BB/IP params in dcn32_resource.c file
-	dml_dispcfg->plane.GPUVMEnable = true;
-	dml_dispcfg->plane.GPUVMMaxPageTableLevels = 4;
-	dml_dispcfg->plane.HostVMEnable = false;
+	dml_dispcfg->plane.GPUVMEnable = dml2->v20.dml_core_ctx.ip.gpuvm_enable;
+	dml_dispcfg->plane.GPUVMMaxPageTableLevels = dml2->v20.dml_core_ctx.ip.gpuvm_max_page_table_levels;
+	dml_dispcfg->plane.HostVMEnable = dml2->v20.dml_core_ctx.ip.hostvm_enable;
+	dml_dispcfg->plane.HostVMMaxPageTableLevels = dml2->v20.dml_core_ctx.ip.hostvm_max_page_table_levels;
+	if (dml2->v20.dml_core_ctx.ip.hostvm_enable)
+		dml2->v20.dml_core_ctx.policy.AllowForPStateChangeOrStutterInVBlankFinal = dml_prefetch_support_uclk_fclk_and_stutter;
 
 	dml2_populate_pipe_to_plane_index_mapping(dml2, context);
 
-- 
2.42.0