video/fbdev/ps3fb.c

266 			  const struct fb_var_screeninfo *var)
272 	if (var->xres > vmode->xres || var->yres > vmode->yres ||
273 	    var->pixclock > vmode->pixclock ||
274 	    var->hsync_len > vmode->hsync_len ||
275 	    var->vsync_len > vmode->vsync_len)
279 	if ((var->vmode & FB_VMODE_MASK) != vmode->vmode)
283 	xres = max(var->xres, 1U);
284 	yres = max(var->yres, 1U);
287 	left_margin = max(var->left_margin, vmode->left_margin);
288 	right_margin = max(var->right_margin, vmode->right_margin);
289 	upper_margin = max(var->upper_margin, vmode->upper_margin);
290 	lower_margin = max(var->lower_margin, vmode->lower_margin);
333 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
344 		 var->left_margin, var->xres, var->right_margin,
345 		 var->upper_margin, var->yres, var->lower_margin);
348 		diff = ps3fb_cmp_mode(vmode, var);
374 	if (!var->xres)
375 		var->xres = 1;
376 	if (!var->yres)
377 		var->yres = 1;
380 	if (var->xres_virtual < var->xres)
381 		var->xres_virtual = var->xres;
382 	if (var->yres_virtual < var->yres)
383 		var->yres_virtual = var->yres;
386 	if (var->left_margin < vmode->left_margin)
387 		var->left_margin = vmode->left_margin;
388 	if (var->right_margin < vmode->right_margin)
389 		var->right_margin = vmode->right_margin;
390 	if (var->upper_margin < vmode->upper_margin)
391 		var->upper_margin = vmode->upper_margin;
392 	if (var->lower_margin < vmode->lower_margin)
393 		var->lower_margin = vmode->lower_margin;
398 	      ((long)var->left_margin + (long)var->xres +
399 	       (long)var->right_margin);
401 		var->left_margin += gap/2;
402 		var->right_margin += (gap+1)/2;
404 			 var->left_margin, var->xres, var->right_margin);
409 	      ((long)var->upper_margin + (long)var->yres +
410 	       (long)var->lower_margin);
412 		var->upper_margin += gap/2;
413 		var->lower_margin += (gap+1)/2;
415 			 var->upper_margin, var->yres, var->lower_margin);
419 	var->pixclock = vmode->pixclock;
420 	var->hsync_len = vmode->hsync_len;
421 	var->vsync_len = vmode->vsync_len;
422 	var->sync = vmode->sync;
425 		*xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP);
433 		if (vmode->xres == var->xres && vmode->yres == var->yres)
528      *  to hardware, it should only verify and adjust var.
530      *  data from it to check this var.
533 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
538 	mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
543 	if (var->xres_virtual > xdr_line_length / BPP) {
549 	if (var->xoffset + var->xres > var->xres_virtual ||
550 	    var->yoffset + var->yres > var->yres_virtual) {
556 	if (var->bits_per_pixel > 32 || var->grayscale ||
557 	    var->red.offset > 16 || var->green.offset > 8 ||
558 	    var->blue.offset > 0 || var->transp.offset > 24 ||
559 	    var->red.length > 8 || var->green.length > 8 ||
560 	    var->blue.length > 8 || var->transp.length > 8 ||
561 	    var->red.msb_right || var->green.msb_right ||
562 	    var->blue.msb_right || var->transp.msb_right || var->nonstd) {
567 	var->bits_per_pixel = 32;
568 	var->red.offset = 16;
569 	var->green.offset = 8;
570 	var->blue.offset = 0;
571 	var->transp.offset = 24;
572 	var->red.length = 8;
573 	var->green.length = 8;
574 	var->blue.length = 8;
575 	var->transp.length = 8;
576 	var->red.msb_right = 0;
577 	var->green.msb_right = 0;
578 	var->blue.msb_right = 0;
579 	var->transp.msb_right = 0;
582 	if (var->rotate) {
588 	if (var->yres_virtual * xdr_line_length > info->fix.smem_len) {
593 	var->height = -1;
594 	var->width = -1;
611 	mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
617 	info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
618 	info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
623 	par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
631 	par->width = info->var.xres;
632 	par->height = info->var.yres;
635 	ddr_xoff = info->var.left_margin - vmode->left_margin;
636 	ddr_yoff = info->var.upper_margin - vmode->upper_margin;
641 	par->pan_offset = info->var.yoffset * xdr_line_length +
642 			  info->var.xoffset * BPP;
673      *  entries in the var structure). Return != 0 for invalid regno.
693 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
698 	par->pan_offset = var->yoffset * info->fix.line_length +
699 			  var->xoffset * BPP;
813 			struct fb_var_screeninfo var;
827 				var = info->var;
828 				fb_videomode_to_var(&var, vmode);
831 				var.activate |= FB_ACTIVATE_FORCE;
833 				retval = fb_set_var(info, &var);
835 					fbcon_update_vcs(info, var.activate & FB_ACTIVATE_ALL);
854 			res.yres = info->var.yres_virtual;
855 			res.xoff = (res.xres - info->var.xres) / 2;
856 			res.yoff = (res.yres - info->var.yres) / 2;
1154 	if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,