Re: [PATCH] Revert "drm/amd/display: Add fallback configuration when set DRR"

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On 2024-04-22 09:51, Rodrigo Siqueira wrote:
> This reverts commit 5ea4581611d14a6a0e8df40965802ec7bee9c671.
> 
> This change must be reverted since it caused soft hangs when changing
> the refresh rate to 122 & 144Hz when using a 7000 series GPU.
> 
> Reported-by: Mark Broadworth <Mark.Broadworth@xxxxxxx>
> Cc: Daniel Wheeler <daniel.wheeler@xxxxxxx>
> Cc: Harry Wentland <harry.wentland@xxxxxxx>
> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>

Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>

Harry

> ---
>  .../gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c    | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
> index c4f0e1951427..52eab8fccb7f 100644
> --- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
> +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
> @@ -293,16 +293,9 @@ static void optc32_set_drr(
>  		}
>  
>  		optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1);
> -		optc32_setup_manual_trigger(optc);
> -	} else {
> -		REG_UPDATE_4(OTG_V_TOTAL_CONTROL,
> -				OTG_SET_V_TOTAL_MIN_MASK, 0,
> -				OTG_V_TOTAL_MIN_SEL, 0,
> -				OTG_V_TOTAL_MAX_SEL, 0,
> -				OTG_FORCE_LOCK_ON_EVENT, 0);
> -
> -		optc->funcs->set_vtotal_min_max(optc, 0, 0);
>  	}
> +
> +	optc32_setup_manual_trigger(optc);
>  }
>  
>  static struct timing_generator_funcs dcn32_tg_funcs = {




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