drm/atmel-hlcdc/atmel_hlcdc_plane.c

601 	struct atmel_hlcdc_plane_state *hstate =
604 	struct drm_framebuffer *fb = hstate->base.fb;
610 	if (!hstate->base.crtc || WARN_ON(!fb))
622 	hstate->src_x = s->src.x1;
623 	hstate->src_y = s->src.y1;
624 	hstate->src_w = drm_rect_width(&s->src);
625 	hstate->src_h = drm_rect_height(&s->src);
626 	hstate->crtc_x = s->dst.x1;
627 	hstate->crtc_y = s->dst.y1;
628 	hstate->crtc_w = drm_rect_width(&s->dst);
629 	hstate->crtc_h = drm_rect_height(&s->dst);
631 	if ((hstate->src_x | hstate->src_y | hstate->src_w | hstate->src_h) &
635 	hstate->src_x >>= 16;
636 	hstate->src_y >>= 16;
637 	hstate->src_w >>= 16;
638 	hstate->src_h >>= 16;
640 	hstate->nplanes = fb->format->num_planes;
641 	if (hstate->nplanes > ATMEL_HLCDC_LAYER_MAX_PLANES)
644 	for (i = 0; i < hstate->nplanes; i++) {
649 		hstate->bpp[i] = fb->format->cpp[i];
650 		if (!hstate->bpp[i])
653 		switch (hstate->base.rotation & DRM_MODE_ROTATE_MASK) {
655 			offset = (hstate->src_y / ydiv) *
657 			offset += ((hstate->src_x + hstate->src_w - 1) /
658 				   xdiv) * hstate->bpp[i];
659 			hstate->xstride[i] = -(((hstate->src_h - 1) / ydiv) *
661 					  (2 * hstate->bpp[i]);
662 			hstate->pstride[i] = fb->pitches[i] - hstate->bpp[i];
665 			offset = ((hstate->src_y + hstate->src_h - 1) /
667 			offset += ((hstate->src_x + hstate->src_w - 1) /
668 				   xdiv) * hstate->bpp[i];
669 			hstate->xstride[i] = ((((hstate->src_w - 1) / xdiv) - 1) *
670 					   hstate->bpp[i]) - fb->pitches[i];
671 			hstate->pstride[i] = -2 * hstate->bpp[i];
674 			offset = ((hstate->src_y + hstate->src_h - 1) /
676 			offset += (hstate->src_x / xdiv) * hstate->bpp[i];
677 			hstate->xstride[i] = ((hstate->src_h - 1) / ydiv) *
679 			hstate->pstride[i] = -fb->pitches[i] - hstate->bpp[i];
683 			offset = (hstate->src_y / ydiv) * fb->pitches[i];
684 			offset += (hstate->src_x / xdiv) * hstate->bpp[i];
685 			hstate->xstride[i] = fb->pitches[i] -
686 					  ((hstate->src_w / xdiv) *
687 					   hstate->bpp[i]);
688 			hstate->pstride[i] = 0;
692 		hstate->offsets[i] = offset + fb->offsets[i];
698 	if (drm_rotation_90_or_270(hstate->base.rotation)) {
699 		swap(hstate->src_w, hstate->src_h);
703 	    (mode->hdisplay != hstate->crtc_w ||
704 	     mode->vdisplay != hstate->crtc_h))
707 	if ((hstate->crtc_h != hstate->src_h || hstate->crtc_w != hstate->src_w) &&
709 	     hstate->base.fb->format->has_alpha))
740 	struct atmel_hlcdc_plane_state *hstate =
747 	if (!hstate->base.visible) {
752 	atmel_hlcdc_plane_update_pos_and_size(plane, hstate);
753 	atmel_hlcdc_plane_update_general_settings(plane, hstate);
754 	atmel_hlcdc_plane_update_format(plane, hstate);
755 	atmel_hlcdc_plane_update_clut(plane, hstate);
756 	atmel_hlcdc_plane_update_buffers(plane, hstate);
757 	atmel_hlcdc_plane_update_disc_area(plane, hstate);