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drm/amd/display: Fix some HostVM parameters in DML

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[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@vger.kernel.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Taimur Hassan 2023-11-10 10:24:20 -05:00 committed by Alex Deucher
parent 72838777aa
commit a2ab248d94
2 changed files with 39 additions and 3 deletions
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33
drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
View file

@ -330,6 +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);
/*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;
}
}
/* Update latency values */
dc->dml2_options.bbox_overrides.dram_clock_change_latency_us = dcn3_5_soc.dram_clock_change_latency_us;

9
drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
View file

@ -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);