diff options
| 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/display/dc/dcn20/dcn20_resource.c | |
| parent | drm/amd/display: Add kernel doc to crc_rd_wrk field (diff) | |
| download | linux-dev-234cc26f7dd15761dcd2ef818b9acaf4fe9cf92e.tar.xz linux-dev-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/display/dc/dcn20/dcn20_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 |
1 files changed, 2 insertions, 2 deletions
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, |