drm/amd/display: fix up HUBBUB hw programming for VM

[why]
Some values were not being converted or bit-shifted properly for
HW registers, causing black screen

[how]
Fix up the values before programming HW
Signed-off-by: Jun Lei <jun.lei@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c

@@ -366,25 +366,24 @@ int hubbub2_init_dchub_sys_ctx(struct hubbub *hubbub,
 	struct dcn_vmid_page_table_config phys_config;
 
 	REG_SET(DCN_VM_FB_LOCATION_BASE, 0,
-			FB_BASE, pa_config->system_aperture.fb_base);
+			FB_BASE, pa_config->system_aperture.fb_base >> 24);
 	REG_SET(DCN_VM_FB_LOCATION_TOP, 0,
-			FB_TOP, pa_config->system_aperture.fb_top);
+			FB_TOP, pa_config->system_aperture.fb_top >> 24);
 	REG_SET(DCN_VM_FB_OFFSET, 0,
-			FB_OFFSET, pa_config->system_aperture.fb_offset);
+			FB_OFFSET, pa_config->system_aperture.fb_offset >> 24);
 	REG_SET(DCN_VM_AGP_BOT, 0,
-			AGP_BOT, pa_config->system_aperture.agp_bot);
+			AGP_BOT, pa_config->system_aperture.agp_bot >> 24);
 	REG_SET(DCN_VM_AGP_TOP, 0,
-			AGP_TOP, pa_config->system_aperture.agp_top);
+			AGP_TOP, pa_config->system_aperture.agp_top >> 24);
 	REG_SET(DCN_VM_AGP_BASE, 0,
-			AGP_BASE, pa_config->system_aperture.agp_base);
+			AGP_BASE, pa_config->system_aperture.agp_base >> 24);
 
 	if (pa_config->gart_config.page_table_start_addr != pa_config->gart_config.page_table_end_addr) {
-		phys_config.depth = 1;
-		phys_config.block_size = 4096;
 		phys_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr >> 12;
 		phys_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr >> 12;
 		phys_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
-
+		phys_config.depth = 0;
+		phys_config.block_size = 0;
 		// Init VMID 0 based on PA config
 		dcn20_vmid_setup(&hubbub1->vmid[0], &phys_config);
 	}

drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h

@@ -61,8 +61,8 @@ enum dcn_hubbub_page_table_depth {
 };
 
 enum dcn_hubbub_page_table_block_size {
-	DCN_PAGE_TABLE_BLOCK_SIZE_4KB,
-	DCN_PAGE_TABLE_BLOCK_SIZE_64KB
+	DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0,
+	DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4
 };
 
 struct dcn_hubbub_phys_addr_config {