Commit 7e053bab authored Feb 10, 2022 by Eric Bernstein Committed by Alex Deucher Jul 05, 2022

drm/amd/display: Update gpuvm_max_page_table_levels IP param



After some experimental tests, we noticed that we need to set
gpuvm_max_page_table_levels to '4' to meet the hardware requirements.

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 15360d7f

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -121,7 +121,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C

		struct _vcs_dpi_ip_params_st dcn3_2_ip = {
		.gpuvm_enable = 1,
		.gpuvm_max_page_table_levels = 1,
		.gpuvm_max_page_table_levels = 4,
		.hostvm_enable = 0,
		.rob_buffer_size_kbytes = 128,
		.det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE,

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -124,7 +124,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C

		struct _vcs_dpi_ip_params_st dcn3_21_ip = {
		.gpuvm_enable = 1,
		.gpuvm_max_page_table_levels = 1,
		.gpuvm_max_page_table_levels = 4,
		.hostvm_enable = 0,
		.rob_buffer_size_kbytes = 128,
		.det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE,