[PATCH v5 32/32] drm/msm/dpu: remove unused dpu_plane_validate_multirect_v2 function

[Abhinav Kumar]

On 3/9/2023 4:57 PM, Dmitry Baryshkov wrote:
> From: Abhinav Kumar <quic_abhinavk at quicinc.com>
> 
> After cleaning up the older multirect support the function
> dpu_plane_validate_multirect_v2() is unused. Lets remove it.
> 
> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>

this needs your signed-off too.

> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 111 ----------------------
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h |   7 --
>   2 files changed, 118 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index 9a03d1cad0ee..bafa1dd1748b 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -707,117 +707,6 @@ static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
>   					   fill_color, fmt);
>   }
>   
> -int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
> -{
> -	struct dpu_plane_state *pstate[R_MAX];
> -	const struct drm_plane_state *drm_state[R_MAX];
> -	struct drm_rect src[R_MAX], dst[R_MAX];
> -	struct dpu_plane *dpu_plane[R_MAX];
> -	const struct dpu_format *fmt[R_MAX];
> -	int i, buffer_lines;
> -	unsigned int max_tile_height = 1;
> -	bool parallel_fetch_qualified = true;
> -	bool has_tiled_rect = false;
> -
> -	for (i = 0; i < R_MAX; i++) {
> -		const struct msm_format *msm_fmt;
> -
> -		drm_state[i] = i ? plane->r1 : plane->r0;
> -		msm_fmt = msm_framebuffer_format(drm_state[i]->fb);
> -		fmt[i] = to_dpu_format(msm_fmt);
> -
> -		if (DPU_FORMAT_IS_UBWC(fmt[i])) {
> -			has_tiled_rect = true;
> -			if (fmt[i]->tile_height > max_tile_height)
> -				max_tile_height = fmt[i]->tile_height;
> -		}
> -	}
> -
> -	for (i = 0; i < R_MAX; i++) {
> -		int width_threshold;
> -
> -		pstate[i] = to_dpu_plane_state(drm_state[i]);
> -		dpu_plane[i] = to_dpu_plane(drm_state[i]->plane);
> -
> -		if (pstate[i] == NULL) {
> -			DPU_ERROR("DPU plane state of plane id %d is NULL\n",
> -				drm_state[i]->plane->base.id);
> -			return -EINVAL;
> -		}
> -
> -		src[i].x1 = drm_state[i]->src_x >> 16;
> -		src[i].y1 = drm_state[i]->src_y >> 16;
> -		src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16);
> -		src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16);
> -
> -		dst[i] = drm_plane_state_dest(drm_state[i]);
> -
> -		if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 ||
> -		    drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) {
> -			DPU_ERROR_PLANE(dpu_plane[i],
> -				"scaling is not supported in multirect mode\n");
> -			return -EINVAL;
> -		}
> -
> -		if (DPU_FORMAT_IS_YUV(fmt[i])) {
> -			DPU_ERROR_PLANE(dpu_plane[i],
> -				"Unsupported format for multirect mode\n");
> -			return -EINVAL;
> -		}
> -
> -		/**
> -		 * SSPP PD_MEM is split half - one for each RECT.
> -		 * Tiled formats need 5 lines of buffering while fetching
> -		 * whereas linear formats need only 2 lines.
> -		 * So we cannot support more than half of the supported SSPP
> -		 * width for tiled formats.
> -		 */
> -		width_threshold = dpu_plane[i]->catalog->caps->max_linewidth;
> -		if (has_tiled_rect)
> -			width_threshold /= 2;
> -
> -		if (parallel_fetch_qualified &&
> -		    drm_rect_width(&src[i]) > width_threshold)
> -			parallel_fetch_qualified = false;
> -
> -	}
> -
> -	/* Validate RECT's and set the mode */
> -
> -	/* Prefer PARALLEL FETCH Mode over TIME_MX Mode */
> -	if (parallel_fetch_qualified) {
> -		pstate[R0]->pipe.multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
> -		pstate[R1]->pipe.multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
> -
> -		goto done;
> -	}
> -
> -	/* TIME_MX Mode */
> -	buffer_lines = 2 * max_tile_height;
> -
> -	if (dst[R1].y1 >= dst[R0].y2 + buffer_lines ||
> -	    dst[R0].y1 >= dst[R1].y2 + buffer_lines) {
> -		pstate[R0]->pipe.multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
> -		pstate[R1]->pipe.multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
> -	} else {
> -		DPU_ERROR(
> -			"No multirect mode possible for the planes (%d - %d)\n",
> -			drm_state[R0]->plane->base.id,
> -			drm_state[R1]->plane->base.id);
> -		return -EINVAL;
> -	}
> -
> -done:
> -	pstate[R0]->pipe.multirect_index = DPU_SSPP_RECT_0;
> -	pstate[R1]->pipe.multirect_index = DPU_SSPP_RECT_1;
> -
> -	DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
> -		pstate[R0]->pipe.multirect_mode, pstate[R0]->pipe.multirect_index);
> -	DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n",
> -		pstate[R1]->pipe.multirect_mode, pstate[R1]->pipe.multirect_index);
> -	return 0;
> -}
> -
>   static int dpu_plane_prepare_fb(struct drm_plane *plane,
>   		struct drm_plane_state *new_state)
>   {
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> index 7490ffd94d03..2784f8841260 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> @@ -87,13 +87,6 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
>   		uint32_t pipe, enum drm_plane_type type,
>   		unsigned long possible_crtcs);
>   
> -/**
> - * dpu_plane_validate_multirecti_v2 - validate the multirect planes
> - *				      against hw limitations
> - * @plane: drm plate states of the multirect pair
> - */
> -int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane);
> -
>   /**
>    * dpu_plane_color_fill - enables color fill on plane
>    * @plane:  Pointer to DRM plane object