From 9d335e17646c41d2781ee583b1512fc11e5d59aa Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Mon, 7 Dec 2020 16:23:41 -0500 Subject: [PATCH] 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 Signed-off-by: Dmytro Laktyushkin Reviewed-by: Eric Bernstein Acked-by: Solomon Chiu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 4 +++- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 6 ++++-- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 9 ++++++--- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 4 +++- drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 4 +++- 6 files changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 90e912fef2b36..33811953585b3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -82,7 +82,7 @@ const struct _vcs_dpi_ip_params_st dcn1_0_ip = { .meta_chunk_size_kbytes = 2, .writeback_chunk_size_kbytes = 2, .line_buffer_size_bits = 589824, - .max_line_buffer_lines = 12, + .max_line_buffer_lines = 32, .IsLineBufferBppFixed = 0, .LineBufferFixedBpp = -1, .writeback_luma_buffer_size_kbytes = 12, @@ -619,6 +619,7 @@ static const struct dc_debug_options debug_defaults_drv = { .recovery_enabled = false, /*enable this by default after testing.*/ .max_downscale_src_width = 3840, .underflow_assert_delay_us = 0xFFFFFFFF, + .use_max_lb = true }; static const struct dc_debug_options debug_defaults_diags = { @@ -630,6 +631,7 @@ static const struct dc_debug_options debug_defaults_diags = { .disable_pplib_clock_request = true, .disable_pplib_wm_range = true, .underflow_assert_delay_us = 0xFFFFFFFF, + .use_max_lb = true }; static void dcn10_dpp_destroy(struct dpp **dpp) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index a65efed63fbf9..9ae12a87d6858 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -112,7 +112,7 @@ struct _vcs_dpi_ip_params_st dcn2_0_ip = { .is_line_buffer_bpp_fixed = 0, .line_buffer_fixed_bpp = 0, .dcc_supported = true, - .max_line_buffer_lines = 12, + .max_line_buffer_lines = 32, .writeback_luma_buffer_size_kbytes = 12, .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, @@ -180,7 +180,7 @@ static struct _vcs_dpi_ip_params_st dcn2_0_nv14_ip = { .is_line_buffer_bpp_fixed = 0, .line_buffer_fixed_bpp = 0, .dcc_supported = true, - .max_line_buffer_lines = 12, + .max_line_buffer_lines = 32, .writeback_luma_buffer_size_kbytes = 12, .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, @@ -1075,6 +1075,7 @@ static const struct dc_debug_options debug_defaults_drv = { .scl_reset_length10 = true, .sanity_checks = false, .underflow_assert_delay_us = 0xFFFFFFFF, + .use_max_lb = true }; static const struct dc_debug_options debug_defaults_diags = { @@ -1091,6 +1092,7 @@ static const struct dc_debug_options debug_defaults_diags = { .scl_reset_length10 = true, .underflow_assert_delay_us = 0xFFFFFFFF, .enable_tri_buf = true, + .use_max_lb = true }; void dcn20_dpp_destroy(struct dpp **dpp) diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c index 2c4e309d1836d..bd8e4c0f92db3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -115,7 +115,7 @@ struct _vcs_dpi_ip_params_st dcn2_1_ip = { .is_line_buffer_bpp_fixed = 0, .line_buffer_fixed_bpp = 0, .dcc_supported = true, - .max_line_buffer_lines = 12, + .max_line_buffer_lines = 32, .writeback_luma_buffer_size_kbytes = 12, .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, @@ -882,7 +882,9 @@ static const struct dc_debug_options debug_defaults_drv = { .scl_reset_length10 = true, .sanity_checks = true, .disable_48mhz_pwrdwn = false, - .usbc_combo_phy_reset_wa = true + .usbc_combo_phy_reset_wa = true, + .dmub_command_table = true, + .use_max_lb = true }; static const struct dc_debug_options debug_defaults_diags = { @@ -898,7 +900,8 @@ static const struct dc_debug_options debug_defaults_diags = { .disable_stutter = true, .disable_48mhz_pwrdwn = true, .disable_psr = true, - .enable_tri_buf = true + .enable_tri_buf = true, + .use_max_lb = true }; enum dcn20_clk_src_array_id { diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 71e2d5e025710..a3ac7e275f3d6 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -120,7 +120,7 @@ struct _vcs_dpi_ip_params_st dcn3_0_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, @@ -852,6 +852,7 @@ static const struct dc_debug_options debug_defaults_drv = { .dwb_fi_phase = -1, // -1 = disable, .dmub_command_table = true, .disable_psr = false, + .use_max_lb = true }; static const struct dc_debug_options debug_defaults_diags = { @@ -870,6 +871,7 @@ static const struct dc_debug_options debug_defaults_diags = { .dmub_command_table = true, .disable_psr = true, .enable_tri_buf = true, + .use_max_lb = true }; void dcn30_dpp_destroy(struct dpp **dpp) diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index c109d0cdab421..039541924c9f0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c @@ -116,7 +116,7 @@ struct _vcs_dpi_ip_params_st dcn3_01_ip = { .dcc_supported = true, .writeback_interface_buffer_size_kbytes = 90, .writeback_line_buffer_buffer_size = 656640, - .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, 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 4b659b63f75b3..98b464e8b25eb 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 { -- 2.30.2