linux-kernel - Re: [Intel-gfx] [PATCH 04/10] drm/i915/gen9: Cleanup skl_pipe_wm_active

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Message-ID: <1476214833.2460.19.camel@intel.com>
Date:   Tue, 11 Oct 2016 16:40:33 -0300
From:   Paulo Zanoni <paulo.r.zanoni@...el.com>
To:     Lyude <cpaul@...hat.com>, intel-gfx@...ts.freedesktop.org
Cc:     David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>
Subject: Re: [Intel-gfx] [PATCH 04/10] drm/i915/gen9: Cleanup
 skl_pipe_wm_active_state

Em Sex, 2016-10-07 às 20:11 -0400, Lyude escreveu:
> This function is a wreck, let's help it get it's life back together
> and
> cleanup all of the copy pasta here.

s/it's/its/

Idea for your next patch series: rename skl_pipe_wm_active_state()'s
"i" parameter to something more meaningful.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@...el.com>

> 
> (adding Maarten's reviewed-by since this is just a split-up version
> of one
> of the previous patches)
> 
> Signed-off-by: Lyude <cpaul@...hat.com>
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala@...ux.intel.com>
> Cc: Paulo Zanoni <paulo.r.zanoni@...el.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 52 +++++++++++------------------
> ------------
>  1 file changed, 14 insertions(+), 38 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c
> b/drivers/gpu/drm/i915/intel_pm.c
> index 4c2ebcd..5dbaf12 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4267,46 +4267,22 @@ static void ilk_optimize_watermarks(struct
> intel_crtc_state *cstate)
>  static void skl_pipe_wm_active_state(uint32_t val,
>  				     struct skl_pipe_wm *active,
>  				     bool is_transwm,
> -				     bool is_cursor,
>  				     int i,
>  				     int level)
>  {
> +	struct skl_plane_wm *plane_wm = &active->planes[i];
>  	bool is_enabled = (val & PLANE_WM_EN) != 0;
>  
>  	if (!is_transwm) {
> -		if (!is_cursor) {
> -			active->planes[i].wm[level].plane_en =
> is_enabled;
> -			active->planes[i].wm[level].plane_res_b =
> -				val & PLANE_WM_BLOCKS_MASK;
> -			active->planes[i].wm[level].plane_res_l =
> -				(val >> PLANE_WM_LINES_SHIFT) &
> -				PLANE_WM_LINES_MASK;
> -		} else {
> -			active-
> >planes[PLANE_CURSOR].wm[level].plane_en =
> -				is_enabled;
> -			active-
> >planes[PLANE_CURSOR].wm[level].plane_res_b =
> -				val & PLANE_WM_BLOCKS_MASK;
> -			active-
> >planes[PLANE_CURSOR].wm[level].plane_res_l =
> -				(val >> PLANE_WM_LINES_SHIFT) &
> -				PLANE_WM_LINES_MASK;
> -		}
> +		plane_wm->wm[level].plane_en = is_enabled;
> +		plane_wm->wm[level].plane_res_b = val &
> PLANE_WM_BLOCKS_MASK;
> +		plane_wm->wm[level].plane_res_l =
> +			(val >> PLANE_WM_LINES_SHIFT) &
> PLANE_WM_LINES_MASK;
>  	} else {
> -		if (!is_cursor) {
> -			active->planes[i].trans_wm.plane_en =
> is_enabled;
> -			active->planes[i].trans_wm.plane_res_b =
> -				val & PLANE_WM_BLOCKS_MASK;
> -			active->planes[i].trans_wm.plane_res_l =
> -				(val >> PLANE_WM_LINES_SHIFT) &
> -				PLANE_WM_LINES_MASK;
> -		} else {
> -			active-
> >planes[PLANE_CURSOR].trans_wm.plane_en =
> -				is_enabled;
> -			active-
> >planes[PLANE_CURSOR].trans_wm.plane_res_b =
> -				val & PLANE_WM_BLOCKS_MASK;
> -			active-
> >planes[PLANE_CURSOR].trans_wm.plane_res_l =
> -				(val >> PLANE_WM_LINES_SHIFT) &
> -				PLANE_WM_LINES_MASK;
> -		}
> +		plane_wm->trans_wm.plane_en = is_enabled;
> +		plane_wm->trans_wm.plane_res_b = val &
> PLANE_WM_BLOCKS_MASK;
> +		plane_wm->trans_wm.plane_res_l =
> +			(val >> PLANE_WM_LINES_SHIFT) &
> PLANE_WM_LINES_MASK;
>  	}
>  }
>  
> @@ -4345,20 +4321,20 @@ static void skl_pipe_wm_get_hw_state(struct
> drm_crtc *crtc)
>  	for (level = 0; level <= max_level; level++) {
>  		for (i = 0; i < intel_num_planes(intel_crtc); i++) {
>  			temp = hw->plane[pipe][i][level];
> -			skl_pipe_wm_active_state(temp, active,
> false,
> -						false, i, level);
> +			skl_pipe_wm_active_state(temp, active,
> false, i, level);
>  		}
>  		temp = hw->plane[pipe][PLANE_CURSOR][level];
> -		skl_pipe_wm_active_state(temp, active, false, true,
> i, level);
> +		skl_pipe_wm_active_state(temp, active, false,
> PLANE_CURSOR,
> +					 level);
>  	}
>  
>  	for (i = 0; i < intel_num_planes(intel_crtc); i++) {
>  		temp = hw->plane_trans[pipe][i];
> -		skl_pipe_wm_active_state(temp, active, true, false,
> i, 0);
> +		skl_pipe_wm_active_state(temp, active, true, i, 0);
>  	}
>  
>  	temp = hw->plane_trans[pipe][PLANE_CURSOR];
> -	skl_pipe_wm_active_state(temp, active, true, true, i, 0);
> +	skl_pipe_wm_active_state(temp, active, true, PLANE_CURSOR,
> 0);
>  
>  	intel_crtc->wm.active.skl = *active;
>  }