drm/amd/display: gpuvm handling in DML21

[Why & How]
Currently in DML2.1 gpuvm_enable was hardcoded.

Use passed info from DC for DML21 to be in sync with
what is used in DC.
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Nevenko Stupar <nevenko.stupar@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/core/dc_vm_helper.c

@@ -47,6 +47,7 @@ int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_c
 		 */
 		memcpy(&dc->vm_pa_config, pa_config, sizeof(struct dc_phy_addr_space_config));
 		dc->vm_pa_config.valid = true;
+		dc->dml2_options.gpuvm_enable = true;
 		dc_z10_save_init(dc);
 	}
 

drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c

@@ -943,7 +943,7 @@ bool dml21_map_dc_state_into_dml_display_cfg(const struct dc *in_dc, struct dc_s
 
 	memset(&dml_ctx->v21.dml_to_dc_pipe_mapping, 0, sizeof(struct dml2_dml_to_dc_pipe_mapping));
 
-	dml_dispcfg->gpuvm_enable = true;
+	dml_dispcfg->gpuvm_enable = dml_ctx->config.gpuvm_enable;
 	dml_dispcfg->gpuvm_max_page_table_levels = 4;
 	dml_dispcfg->hostvm_enable = false;
 	dml_dispcfg->minimize_det_reallocation = true;

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

@@ -232,6 +232,7 @@ struct dml2_configuration_options {
 	bool map_dc_pipes_with_callbacks;
 
 	bool use_clock_dc_limits;
+	bool gpuvm_enable;
 };
 
 /*