diff options
| author | Leo Chen <sancchen@amd.com> | 2023-04-14 00:34:24 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-05-04 06:10:02 +0300 |
| commit | 8f586cc16c1fc3c2202c9d54563db8c7ed365f82 (patch) | |
| tree | 991873637d870258391892faae8d9a9316dedd80 /drivers | |
| parent | 100bd00881f8553d0ccfc99a575966d990c455eb (diff) | |
| download | linux-8f586cc16c1fc3c2202c9d54563db8c7ed365f82.tar.xz | |
drm/amd/display: Change default Z8 watermark values
[Why & How]
Previous Z8 watermark values were causing flickering and OTC underflow.
Updating Z8 watermark values based on the measurement.
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c index 44082f65de1f..9e54e3d0eb78 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c @@ -149,8 +149,8 @@ static struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = { .num_states = 5, .sr_exit_time_us = 16.5, .sr_enter_plus_exit_time_us = 18.5, - .sr_exit_z8_time_us = 210.0, - .sr_enter_plus_exit_z8_time_us = 310.0, + .sr_exit_z8_time_us = 268.0, + .sr_enter_plus_exit_z8_time_us = 393.0, .writeback_latency_us = 12.0, .dram_channel_width_bytes = 4, .round_trip_ping_latency_dcfclk_cycles = 106, |