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| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2021-03-11 09:19:34 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:40:18 -0400 |
| commit | 234cc26f7dd15761dcd2ef818b9acaf4fe9cf92e (patch) | |
| tree | 9f9247e3fc9deb83767b3a956cb8e603c0f38493 /drivers/gpu/drm/amd | |
| parent | 1c85f3db778ffbeba91d71e9d6c8aa299f9b4efd (diff) | |
| download | lwn-234cc26f7dd15761dcd2ef818b9acaf4fe9cf92e.tar.gz lwn-234cc26f7dd15761dcd2ef818b9acaf4fe9cf92e.zip | |
drm/amd/display: revert max lb lines change
Some hardware revisions do have a max number of lines limitation
not honouring which can cause pstate switch underflow.
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')
6 files changed, 7 insertions, 7 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 d079f4e491e5..0b1000d782a8 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 = 32, + .max_line_buffer_lines = 12, .IsLineBufferBppFixed = 0, .LineBufferFixedBpp = -1, .writeback_luma_buffer_size_kbytes = 12, 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 25f8dd5db080..3c2a0518f273 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 = 32, + .max_line_buffer_lines = 12, .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 = 32, + .max_line_buffer_lines = 12, .writeback_luma_buffer_size_kbytes = 12, .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, 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 7123151ed60f..8e3f1d0b4cc3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -114,7 +114,7 @@ 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 = 32, + .max_line_buffer_lines = 12, .writeback_luma_buffer_size_kbytes = 12, .writeback_chroma_buffer_size_kbytes = 8, .writeback_chroma_line_buffer_width_pixels = 4, 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 263c2986682d..4a5fa23d8e7b 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 = 32, + .max_line_buffer_lines = 12, .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/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index 622a5bf9737f..1aefed63ed26 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 = 32, + .max_line_buffer_lines = 12, .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 0723e29fd42e..a928c1d9a557 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 = 32, + .max_line_buffer_lines = 12, .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, |