linux-kernel - Re: [PATCH] drm/amd/display: move dcn31_update_soc_for_wm

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Message-ID: <CADnq5_PYbVMKwfDhxAU2GEKG_CBB7QHohirX2WkCn33k6cVkug@mail.gmail.com>
Date:   Mon, 18 Jul 2022 15:19:57 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Melissa Wen <mwen@...lia.com>
Cc:     "Wentland, Harry" <harry.wentland@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@....com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        kernel-dev@...lia.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amd/display: move dcn31_update_soc_for_wm_a func to
 dml fpu folder

Applied with a trivial fix for dcn314_resource.c.

Thanks!

Alex

On Sat, Jul 16, 2022 at 3:52 PM Melissa Wen <mwen@...lia.com> wrote:
>
> Although dcn31_update_soc_for_wm_a() is only called in dml/dcn31/dcn31_fpu by
> dc->res_pool->funcs->update_soc_for_wm_a(dc, context), it's declared in
> dcn31_resource that is not FPU protected. Move this function to dcn31_fpu
> file as part of the work to isolate FPU code.
>
> Signed-off-by: Melissa Wen <mwen@...lia.com>
> ---
>  drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 9 ---------
>  drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h | 1 -
>  drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c  | 9 +++++++++
>  drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h  | 2 ++
>  4 files changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> index 16bbccc69fdc..17c776e88514 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> @@ -1716,15 +1716,6 @@ int dcn31_populate_dml_pipes_from_context(
>         return pipe_cnt;
>  }
>
> -void dcn31_update_soc_for_wm_a(struct dc *dc, struct dc_state *context)
> -{
> -       if (dc->clk_mgr->bw_params->wm_table.entries[WM_A].valid) {
> -               context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].pstate_latency_us;
> -               context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].sr_enter_plus_exit_time_us;
> -               context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].sr_exit_time_us;
> -       }
> -}
> -
>  void dcn31_calculate_wm_and_dlg(
>                 struct dc *dc, struct dc_state *context,
>                 display_e2e_pipe_params_st *pipes,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h
> index 393458015d6a..41f8ec99da6b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h
> @@ -59,7 +59,6 @@ dcn31_set_mcif_arb_params(struct dc *dc,
>                           struct dc_state *context,
>                           display_e2e_pipe_params_st *pipes,
>                           int pipe_cnt);
> -void dcn31_update_soc_for_wm_a(struct dc *dc, struct dc_state *context);
>
>  struct resource_pool *dcn31_create_resource_pool(
>                 const struct dc_init_data *init_data,
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
> index 7be3476989ce..facac3daeaca 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
> @@ -435,6 +435,15 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_16_soc = {
>         .urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
>  };
>
> +void dcn31_update_soc_for_wm_a(struct dc *dc, struct dc_state *context)
> +{
> +       if (dc->clk_mgr->bw_params->wm_table.entries[WM_A].valid) {
> +               context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].pstate_latency_us;
> +               context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].sr_enter_plus_exit_time_us;
> +               context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.entries[WM_A].sr_exit_time_us;
> +       }
> +}
> +
>  void dcn31_calculate_wm_and_dlg_fp(
>                 struct dc *dc, struct dc_state *context,
>                 display_e2e_pipe_params_st *pipes,
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
> index 24ac19c83687..0a10de80c1a4 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
> @@ -31,6 +31,8 @@
>  #define DCN3_15_MIN_COMPBUF_SIZE_KB 128
>  #define DCN3_16_DEFAULT_DET_SIZE 192
>
> +void dcn31_update_soc_for_wm_a(struct dc *dc, struct dc_state *context);
> +
>  void dcn31_calculate_wm_and_dlg_fp(
>                 struct dc *dc, struct dc_state *context,
>                 display_e2e_pipe_params_st *pipes,
> --
> 2.35.1
>