diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2020-12-07 16:23:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 23:31:46 -0400 |
| commit | 9d335e17646c41d2781ee583b1512fc11e5d59aa (patch) | |
| tree | 2b59af843f25251c1c3d25ea9df75cbfe822ed96 /drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | |
| parent | 4abdb72bd8576bcf9c0b9f4213c97f28e75d37a5 (diff) | |
drm/amd/display: use max lb for latency hiding
Enable max memory lb config to improve stutter efficiency and
latency hiding. Also increase max number of lb lines to be
used by dml since experiments have shown that there isnt a hard max
beyond what fits in lb.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c index 4b659b63f75b..98b464e8b25e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c @@ -101,7 +101,7 @@ struct _vcs_dpi_ip_params_st dcn3_02_ip = { .dcc_supported = true, .writeback_interface_buffer_size_kbytes = 90, .writeback_line_buffer_buffer_size = 0, - .max_line_buffer_lines = 12, + .max_line_buffer_lines = 32, .writeback_luma_buffer_size_kbytes = 12, // writeback_line_buffer_buffer_size = 656640 .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, @@ -223,6 +223,7 @@ static const struct dc_debug_options debug_defaults_drv = { .underflow_assert_delay_us = 0xFFFFFFFF, .dwb_fi_phase = -1, // -1 = disable, .dmub_command_table = true, + .use_max_lb = true }; static const struct dc_debug_options debug_defaults_diags = { @@ -241,6 +242,7 @@ static const struct dc_debug_options debug_defaults_diags = { .dmub_command_table = true, .enable_tri_buf = true, .disable_psr = true, + .use_max_lb = true }; enum dcn302_clk_src_array_id { |