From: Wyatt Wood <wyatt.wood@xxxxxxx>
[Why]
After removing added latency for HostVM by default, DDR4 sr exit
latencies were no longer large enough for some panels and caused
underflow.
[How]
Add 1us to sr enter/exit watermark.
Signed-off-by: Wyatt Wood <wyatt.wood@xxxxxxx>
Acked-by: Bindu Ramamurthy <bindu.r@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 8d8ee4b9fee1..458dab9e813b 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -618,8 +618,8 @@ static struct wm_table ddr4_wm_table = {
.wm_inst = WM_A,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 6.09,
- .sr_enter_plus_exit_time_us = 7.14,
+ .sr_exit_time_us = 7.09,
+ .sr_enter_plus_exit_time_us = 8.14,
.valid = true,
},
{
--
2.25.1
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
