On 2023-08-31 15:44, Zuo, Jerry wrote:
> [AMD Official Use Only - General]
> 
> 
> Series is:
> 
> Reviewed-By: Fangzhi Zuo <[email protected]>
> 

Reviewed-by: Harry Wentland <[email protected]>

Harry

> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *发件人:* Mahfooz, Hamza <[email protected]>
> *发送时间:* 星期四, 八月 31, 2023 3:39:04 下午
> *收件人:* [email protected] <[email protected]>
> *抄送:* Zuo, Jerry <[email protected]>; Mahfooz, Hamza <[email protected]>; 
> [email protected] <[email protected]>; Wentland, Harry 
> <[email protected]>; Li, Sun peng (Leo) <[email protected]>; Siqueira, 
> Rodrigo <[email protected]>; Deucher, Alexander 
> <[email protected]>; Koenig, Christian <[email protected]>; 
> Pan, Xinhui <[email protected]>; David Airlie <[email protected]>; Daniel 
> Vetter <[email protected]>; Lei, Jun <[email protected]>; Pillai, Aurabindo 
> <[email protected]>; Kazlauskas, Nicholas 
> <[email protected]>; Liu, Wenjing <[email protected]>; Lee, Alvin 
> <[email protected]>; Kim, Sung joon <[email protected]>; Miess, Daniel 
> <[email protected]>; Teeger, Gabe <[email protected]>; 
> [email protected] <[email protected]>; 
> [email protected] <[email protected]>
> *主题:* [PATCH v2 1/2] Revert "drm/amd/display: Remove v_startup workaround for 
> dcn3+"
> 
> This reverts commit 3a31e8b89b7240d9a17ace8a1ed050bdcb560f9e.
> 
> We still need to call dcn20_adjust_freesync_v_startup() for older DCN3+
> ASICs otherwise it can cause DP to HDMI 2.1 PCONs to fail to light up.
> 
> Cc: [email protected]
> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2809 
> <https://gitlab.freedesktop.org/drm/amd/-/issues/2809>
> Signed-off-by: Hamza Mahfooz <[email protected]>
> ---
>  .../drm/amd/display/dc/dml/dcn20/dcn20_fpu.c  | 24 ++++---------------
>  1 file changed, 4 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c 
> b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c
> index 0989a0152ae8..1bfdf0271fdf 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c
> @@ -1099,6 +1099,10 @@ void dcn20_calculate_dlg_params(struct dc *dc,
>                  context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz =
>                                                  
> pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
>                  context->res_ctx.pipe_ctx[i].pipe_dlg_param = 
> pipes[pipe_idx].pipe.dest;
> +               if 
> (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid)
> +                       dcn20_adjust_freesync_v_startup(
> +                               &context->res_ctx.pipe_ctx[i].stream->timing,
> +                               
> &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start);
>  
>                  pipe_idx++;
>          }
> @@ -1927,7 +1931,6 @@ static bool dcn20_validate_bandwidth_internal(struct dc 
> *dc, struct dc_state *co
>          int vlevel = 0;
>          int pipe_split_from[MAX_PIPES];
>          int pipe_cnt = 0;
> -       int i = 0;
>          display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count 
> * sizeof(display_e2e_pipe_params_st), GFP_ATOMIC);
>          DC_LOGGER_INIT(dc->ctx->logger);
>  
> @@ -1951,15 +1954,6 @@ static bool dcn20_validate_bandwidth_internal(struct 
> dc *dc, struct dc_state *co
>          dcn20_calculate_wm(dc, context, pipes, &pipe_cnt, pipe_split_from, 
> vlevel, fast_validate);
>          dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
>  
> -       for (i = 0; i < dc->res_pool->pipe_count; i++) {
> -               if (!context->res_ctx.pipe_ctx[i].stream)
> -                       continue;
> -               if 
> (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid)
> -                       dcn20_adjust_freesync_v_startup(
> -                               &context->res_ctx.pipe_ctx[i].stream->timing,
> -                               
> &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start);
> -       }
> -
>          BW_VAL_TRACE_END_WATERMARKS();
>  
>          goto validate_out;
> @@ -2232,7 +2226,6 @@ bool dcn21_validate_bandwidth_fp(struct dc *dc,
>          int vlevel = 0;
>          int pipe_split_from[MAX_PIPES];
>          int pipe_cnt = 0;
> -       int i = 0;
>          display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count 
> * sizeof(display_e2e_pipe_params_st), GFP_ATOMIC);
>          DC_LOGGER_INIT(dc->ctx->logger);
>  
> @@ -2261,15 +2254,6 @@ bool dcn21_validate_bandwidth_fp(struct dc *dc,
>          dcn21_calculate_wm(dc, context, pipes, &pipe_cnt, pipe_split_from, 
> vlevel, fast_validate);
>          dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
>  
> -       for (i = 0; i < dc->res_pool->pipe_count; i++) {
> -               if (!context->res_ctx.pipe_ctx[i].stream)
> -                       continue;
> -               if 
> (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid)
> -                       dcn20_adjust_freesync_v_startup(
> -                               &context->res_ctx.pipe_ctx[i].stream->timing,
> -                               
> &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start);
> -       }
> -
>          BW_VAL_TRACE_END_WATERMARKS();
>  
>          goto validate_out;
> -- 
> 2.41.0
> 
> 

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