drm/amd/display: Update DCN302 SR Exit Latency

[Why&How]
Update SR Exit Latency to fix screen flickering caused due to OTG
underflow. This is the recommended value given by the hardware IP team.

Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
index a928c1d..fc2dea2 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -164,7 +164,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_02_soc = {
 
                .min_dcfclk = 500.0, /* TODO: set this to actual min DCFCLK */
                .num_states = 1,
-               .sr_exit_time_us = 12,
+               .sr_exit_time_us = 15.5,
                .sr_enter_plus_exit_time_us = 20,
                .urgent_latency_us = 4.0,
                .urgent_latency_pixel_data_only_us = 4.0,