diff options
| author | Joshua Aberback <joshua.aberback@amd.com> | 2020-04-22 18:08:00 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-28 16:19:33 -0400 |
| commit | 8d829836cf753228b014af3bf21d3e2232a5722b (patch) | |
| tree | 9771e823af77023baf7342bb0cf2f5bc10058a28 | |
| parent | 18400f91c1c17777d98013ea15d620e7b4ac1cf4 (diff) | |
drm/amd/display: Add dummy p-state latency bounding box override
[Why]
For debugging, it can be useful to be able to modify the dummy
p-state latency, this will make it easier to do so.
Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 84e5056521a3..99c8e40049e6 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -478,6 +478,7 @@ struct dc_bounding_box_overrides { int urgent_latency_ns; int percent_of_ideal_drambw; int dram_clock_change_latency_ns; + int dummy_clock_change_latency_ns; /* This forces a hard min on the DCFCLK we use * for DML. Unlike the debug option for forcing * DCFCLK, this override affects watermark calculations 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 3a8a4c54738a..b7e4d0c2432c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -3467,6 +3467,13 @@ void dcn20_patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st bb->dram_clock_change_latency_us = dc->bb_overrides.dram_clock_change_latency_ns / 1000.0; } + + if ((int)(bb->dummy_pstate_latency_us * 1000) + != dc->bb_overrides.dummy_clock_change_latency_ns + && dc->bb_overrides.dummy_clock_change_latency_ns) { + bb->dummy_pstate_latency_us = + dc->bb_overrides.dummy_clock_change_latency_ns / 1000.0; + } } static struct _vcs_dpi_soc_bounding_box_st *get_asic_rev_soc_bb( |