accelerants/via/SetDisplayMode.c

47 	 * We don't use bounds here by making sure bounds and target are the same struct!
49 	display_mode /*bounds,*/ target;
58 	target /*= bounds*/ = *mode_to_set;
60 	LOG(1, ("SETMODE: (ENTER) initial modeflags: $%08x\n", target.flags));
61 	LOG(1, ("SETMODE: requested target pixelclock %dkHz\n",  target.timing.pixel_clock));
63 										target.virtual_width, target.virtual_height));
66 	if (PROPOSE_DISPLAY_MODE(&target, &target, &target) == B_ERROR)	return B_ERROR;
69 	if (!(target.flags & DUALHEAD_CAPABLE))
71 		target.flags &= ~DUALHEAD_BITS;
74 	if (!(target.flags & TV_CAPABLE))
76 		target.flags &= ~TV_BITS;
78 	LOG(1, ("SETMODE: (CONT.) validated command modeflags: $%08x\n", target.flags));
92 	eng_general_validate_pic_size (&target, &si->fbc.bytes_per_row, &si->acc_mode);
95 	if (target.flags & DUALHEAD_BITS) /*if some dualhead mode*/
100 		display_mode target2 = target;
107 //			target.flags &= ~TV_BITS;//still needed for some routines...
133 //		if ((target.flags & DUALHEAD_BITS) == DUALHEAD_SWITCH)
140 		LOG(8,("SETMODE: target clock %dkHz\n",target.timing.pixel_clock));
141 		if (head1_set_pix_pll(target) == B_ERROR)
153 		switch(target.space)
213 		startadd_right = startadd + (target.timing.h_display * (colour_depth1 >> 3));
216 		switch (target.flags & DUALHEAD_BITS)
230 		head1_set_timing(target);
269 		switch(target.space)
276 			LOG(8,("SETMODE: Invalid singlehead colour depth 0x%08x\n", target.space));
281 		status = head1_set_pix_pll(target);
299 		head1_set_timing(target);
305 	si->dm = target;
310 //	if (target.flags & DUALHEAD_BITS) head2_dpms(display,h,v);