[PATCH 10/35] drm/amd/display: Feed SR and Z8 watermarks into DML2 for DCN35

Hamza Mahfooz hamza.mahfooz at amd.com
Wed Nov 15 19:40:23 UTC 2023


From: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>

[Why]
We've updated the table but the values aren't being reflected in DML2
calculation.

[How]
Pass them into the bbox overrides.

Reviewed-by: Jun Lei <jun.lei at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
index 30d78ad91b9c..21c17d3296a3 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
@@ -329,6 +329,15 @@ void dcn35_update_bw_bounding_box_fpu(struct dc *dc,
 	/*temp till dml2 fully work without dml1*/
 	dml_init_instance(&dc->dml, &dcn3_5_soc, &dcn3_5_ip,
 				DML_PROJECT_DCN31);
+
+	/* Update latency values */
+	dc->dml2_options.bbox_overrides.dram_clock_change_latency_us = dcn3_5_soc.dram_clock_change_latency_us;
+
+	dc->dml2_options.bbox_overrides.sr_exit_latency_us = dcn3_5_soc.sr_exit_time_us;
+	dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us = dcn3_5_soc.sr_enter_plus_exit_time_us;
+
+	dc->dml2_options.bbox_overrides.sr_exit_z8_time_us = dcn3_5_soc.sr_exit_z8_time_us;
+	dc->dml2_options.bbox_overrides.sr_enter_plus_exit_z8_time_us = dcn3_5_soc.sr_enter_plus_exit_z8_time_us;
 }
 
 static bool is_dual_plane(enum surface_pixel_format format)
-- 
2.42.0



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