[Intel-gfx] [PATCH v2 3/4] drm/i915/display: Use drm helper instead of own loop for damage clips

[Kahola, Mika]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Jouni
> Högander
> Sent: Tuesday, August 23, 2022 2:29 PM
> To: dri-devel at lists.freedesktop.org; intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH v2 3/4] drm/i915/display: Use drm helper instead of
> own loop for damage clips
> 
> Use existing drm_atomic_helper_damage_merged from generic drm code
> instead of implementing own loop to iterate over damage_clips.
> 

Reviewed-by: Mika Kahola <mika.kahola at intel.com>

> Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 17 +++++------------
>  1 file changed, 5 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 16985de24019..0ce8076be000 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1721,8 +1721,6 @@ int intel_psr2_sel_fetch_update(struct
> intel_atomic_state *state,
>  					     new_plane_state, i) {
>  		struct drm_rect src, damaged_area = { .x1 = 0, .y1 = -1,
>  						      .x2 = INT_MAX };
> -		struct drm_atomic_helper_damage_iter iter;
> -		struct drm_rect clip;
> 
>  		if (new_plane_state->uapi.crtc != crtc_state->uapi.crtc)
>  			continue;
> @@ -1770,20 +1768,15 @@ int intel_psr2_sel_fetch_update(struct
> intel_atomic_state *state,
>  		src = drm_plane_state_src(&new_plane_state->uapi);
>  		drm_rect_fp_to_int(&src, &src);
> 
> -		drm_atomic_helper_damage_iter_init(&iter,
> -						   &old_plane_state->uapi,
> -						   &new_plane_state->uapi);
> -		drm_atomic_for_each_plane_damage(&iter, &clip) {
> -			if (drm_rect_intersect(&clip, &src))
> -				clip_area_update(&damaged_area, &clip,
> -						 &crtc_state->pipe_src);
> -		}
> -
> -		if (damaged_area.y1 == -1)
> +		if (!drm_atomic_helper_damage_merged(&old_plane_state-
> >uapi,
> +						     &new_plane_state->uapi,
> &damaged_area))
>  			continue;
> 
>  		damaged_area.y1 += new_plane_state->uapi.dst.y1 - src.y1;
>  		damaged_area.y2 += new_plane_state->uapi.dst.y1 - src.y1;
> +		damaged_area.x1 += new_plane_state->uapi.dst.x1 - src.x1;
> +		damaged_area.x2 += new_plane_state->uapi.dst.x1 - src.x1;
> +
>  		clip_area_update(&pipe_clip, &damaged_area, &crtc_state-
> >pipe_src);
>  	}
> 
> --
> 2.34.1