241 /* calculate pixel depth, transparency bit included, >=16bpp formats _only_ */
248 /* calculate 4-bit BPP value for LCCR3 and OVLxC1 */
251 	int bpp = -EINVAL;  in pxafb_var_to_bpp()  local
254 	case 1:  bpp = 0; break;  in pxafb_var_to_bpp()
255 	case 2:  bpp = 1; break;  in pxafb_var_to_bpp()
256 	case 4:  bpp = 2; break;  in pxafb_var_to_bpp()
257 	case 8:  bpp = 3; break;  in pxafb_var_to_bpp()
258 	case 16: bpp = 4; break;  in pxafb_var_to_bpp()
261 		case 18: bpp = 6; break; /* 18-bits/pixel packed */  in pxafb_var_to_bpp()
262 		case 19: bpp = 8; break; /* 19-bits/pixel packed */  in pxafb_var_to_bpp()
263 		case 24: bpp = 9; break;  in pxafb_var_to_bpp()
268 		case 18: bpp = 5; break; /* 18-bits/pixel unpacked */  in pxafb_var_to_bpp()
269 		case 19: bpp = 7; break; /* 19-bits/pixel unpacked */  in pxafb_var_to_bpp()
270 		case 25: bpp = 10; break;  in pxafb_var_to_bpp()
274 	return bpp;  in pxafb_var_to_bpp()
284  *  Formats>> for the valid combination of PDFOR, PAL_FOR for various BPP.
290 	int bpp = pxafb_var_to_bpp(var);  in pxafb_var_to_lccr3()  local
293 	if (bpp < 0)  in pxafb_var_to_lccr3()
296 	lccr3 = LCCR3_BPP(bpp);  in pxafb_var_to_lccr3()
300 	case 18: lccr3 |= LCCR3_PDFOR_3; break;  in pxafb_var_to_lccr3()
338 	case 18: SET_PIXFMT(var, 6, 6, 6, 0); break;	/* RGB666 */  in pxafb_set_pixfmt()
381 		    modelist[i].bpp >= var->bits_per_pixel) {  in pxafb_getmode()
396 	var->bits_per_pixel	= mode->bpp;  in pxafb_setmode()
476 	/* do a test conversion to BPP fields to check the color formats */  in pxafb_check_var()
568  * 	16 bpp mode does not really use the palette, so this will not
767 	int xpos, ypos, pfor, bpp;  in overlayfb_check_var()  local
773 	bpp = pxafb_var_to_bpp(var);  in overlayfb_check_var()
774 	if (bpp < 0)  in overlayfb_check_var()
781 	/* for YUV packed formats, bpp = 'minimum bpp of YUV components' */  in overlayfb_check_var()
784 		bpp = pxafb_var_to_bpp(var);  in overlayfb_check_var()
785 		if (bpp < 0)  in overlayfb_check_var()
790 	case OVERLAY_FORMAT_YUV444_PACKED: bpp = 24; break;  in overlayfb_check_var()
791 	case OVERLAY_FORMAT_YUV444_PLANAR: bpp = 8; break;  in overlayfb_check_var()
792 	case OVERLAY_FORMAT_YUV422_PLANAR: bpp = 4; break;  in overlayfb_check_var()
793 	case OVERLAY_FORMAT_YUV420_PLANAR: bpp = 2; break;  in overlayfb_check_var()
799 	if ((xpos * bpp) % 32)  in overlayfb_check_var()
803 	var->xres = roundup(var->xres * bpp, 32) / bpp;  in overlayfb_check_var()
818 	int size, bpp = 0;  in overlayfb_check_video_memory()  local
821 	case OVERLAY_FORMAT_RGB: bpp = var->bits_per_pixel; break;  in overlayfb_check_video_memory()
822 	case OVERLAY_FORMAT_YUV444_PACKED: bpp = 24; break;  in overlayfb_check_video_memory()
823 	case OVERLAY_FORMAT_YUV444_PLANAR: bpp = 24; break;  in overlayfb_check_video_memory()
824 	case OVERLAY_FORMAT_YUV422_PLANAR: bpp = 16; break;  in overlayfb_check_video_memory()
825 	case OVERLAY_FORMAT_YUV420_PLANAR: bpp = 12; break;  in overlayfb_check_video_memory()
828 	ofb->fb.fix.line_length = var->xres_virtual * bpp / 8;  in overlayfb_check_video_memory()
843 	int xpos, ypos, pfor, bpp, ret;  in overlayfb_set_par()  local
849 	bpp  = pxafb_var_to_bpp(var);  in overlayfb_set_par()
855 			  OVLxC1_BPP(bpp);  in overlayfb_set_par()
911 	 * anyway, it's useless to use 16bpp main plane and 24bpp overlay  in pxafb_overlay_map_video_memory()
1110 	int nbytes, dma, pal, bpp = var->bits_per_pixel;  in setup_base_frame()  local
1114 	pal = (bpp >= 16) ? PAL_NONE : PAL_BASE + (branch ? PAL_MAX : 0);  in setup_base_frame()
1781 				m->xres * m->yres * m->bpp / 8);  in pxafb_decode_mach_info()
1858 	unsigned int xres = 0, yres = 0, bpp = 0;  in parse_opt_mode()  local
1866 				bpp = simple_strtoul(&name[i+1], NULL, 0);  in parse_opt_mode()
1894 		switch (bpp) {  in parse_opt_mode()
1900 			inf->modes[0].bpp = bpp;  in parse_opt_mode()
1901 			dev_info(dev, "overriding bit depth: %d\n", bpp);  in parse_opt_mode()
1904 			dev_err(dev, "Depth %d is not valid\n", bpp);  in parse_opt_mode()
2199 		info->modes[i].bpp = bus_width;  in of_get_pxafb_mode_info()
2271 			inf->modes->bpp);  in pxafb_probe()
2274 	    inf->modes->bpp == 0) {  in pxafb_probe()