diff options
| author | Alvin Lee <alvin.lee2@amd.com> | 2022-07-20 13:16:59 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-10 15:11:44 -0400 |
| commit | 0cd34ce82b0a9ce503d35a51bff47ba3b6715557 (patch) | |
| tree | 54ed218dfa08c11fac486e7cc66be3506b6306b8 | |
| parent | 2de09ce41f484cbcc65e518905dae73da67ad35c (diff) | |
drm/amd/display: Add a variable to update FCLK latency
[Description]
Add a variable to update FCLK latency
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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/dml/dcn32/dcn32_fpu.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c | 7 |
3 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 8e1e40083ec8..d73e68c2fd51 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -609,6 +609,7 @@ struct dc_bounding_box_overrides { int percent_of_ideal_drambw; int dram_clock_change_latency_ns; int dummy_clock_change_latency_ns; + int fclk_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/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 66453546e24f..f8023cfe79f8 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -2098,6 +2098,13 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_pa dc->bb_overrides.dram_clock_change_latency_ns / 1000.0; } + if ((int)(dcn3_2_soc.fclk_change_latency_us * 1000) + != dc->bb_overrides.fclk_clock_change_latency_ns + && dc->bb_overrides.fclk_clock_change_latency_ns) { + dcn3_2_soc.fclk_change_latency_us = + dc->bb_overrides.fclk_clock_change_latency_ns / 1000; + } + if ((int)(dcn3_2_soc.dummy_pstate_latency_us * 1000) != dc->bb_overrides.dummy_clock_change_latency_ns && dc->bb_overrides.dummy_clock_change_latency_ns) { diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c index 84b4b00f29cb..c87091683b5d 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c @@ -498,6 +498,13 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_p dc->bb_overrides.dram_clock_change_latency_ns / 1000.0; } + if ((int)(dcn3_21_soc.fclk_change_latency_us * 1000) + != dc->bb_overrides.fclk_clock_change_latency_ns + && dc->bb_overrides.fclk_clock_change_latency_ns) { + dcn3_21_soc.fclk_change_latency_us = + dc->bb_overrides.fclk_clock_change_latency_ns / 1000; + } + if ((int)(dcn3_21_soc.dummy_pstate_latency_us * 1000) != dc->bb_overrides.dummy_clock_change_latency_ns && dc->bb_overrides.dummy_clock_change_latency_ns) { |