[PATCH v2] drm/amd/display: Update DCN302 SR Exit Latency

[Harry Wentland]

On 2021-04-08 1:10 p.m., Aurabindo Pillai wrote:
> From: Joshua Aberback <joshua.aberback at amd.com>
> 
> [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 at amd.com>
> Acked-by: Aurabindo Pillai <aurabindo.pillai at amd.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>   drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> 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 a928c1d9a557..fc2dea243d1b 100644
> --- 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,
>