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>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index 63227c55a2f02ab3385b33c919398949b1d5a097..1f2af676191be1aa4b0e1ff2ecb02ade1d9cfe04 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -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,

diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
index 644f00f2def0ec76068b59e3f905d9044585dfa5..1a9bdfc35f2c0cde6e206e1822b05d907cd8dffa 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
@@ -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,