201  * drm_display_mode_from_videomode - fill in @dmode using @vm,
202  * @vm: videomode structure to use as source
205  * Fills out @dmode using the display mode specified in @vm.
207 void drm_display_mode_from_videomode(const struct videomode *vm,  in drm_display_mode_from_videomode()  argument
210 	dmode->hdisplay = vm->hactive;  in drm_display_mode_from_videomode()
211 	dmode->hsync_start = dmode->hdisplay + vm->hfront_porch;  in drm_display_mode_from_videomode()
212 	dmode->hsync_end = dmode->hsync_start + vm->hsync_len;  in drm_display_mode_from_videomode()
213 	dmode->htotal = dmode->hsync_end + vm->hback_porch;  in drm_display_mode_from_videomode()
215 	dmode->vdisplay = vm->vactive;  in drm_display_mode_from_videomode()
216 	dmode->vsync_start = dmode->vdisplay + vm->vfront_porch;  in drm_display_mode_from_videomode()
217 	dmode->vsync_end = dmode->vsync_start + vm->vsync_len;  in drm_display_mode_from_videomode()
218 	dmode->vtotal = dmode->vsync_end + vm->vback_porch;  in drm_display_mode_from_videomode()
220 	dmode->clock = vm->pixelclock / 1000;  in drm_display_mode_from_videomode()
223 	if (vm->flags & DISPLAY_FLAGS_HSYNC_HIGH)  in drm_display_mode_from_videomode()
225 	else if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW)  in drm_display_mode_from_videomode()
227 	if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH)  in drm_display_mode_from_videomode()
229 	else if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW)  in drm_display_mode_from_videomode()
231 	if (vm->flags & DISPLAY_FLAGS_INTERLACED)  in drm_display_mode_from_videomode()
233 	if (vm->flags & DISPLAY_FLAGS_DOUBLESCAN)  in drm_display_mode_from_videomode()
235 	if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)  in drm_display_mode_from_videomode()
240  * drm_display_mode_to_videomode - fill in @vm using @dmode,
242  * @vm: videomode structure to use as destination
244  * Fills out @vm using the display mode specified in @dmode.
247 				   struct videomode *vm)  in drm_display_mode_to_videomode()  argument
249 	vm->hactive = dmode->hdisplay;  in drm_display_mode_to_videomode()
250 	vm->hfront_porch = dmode->hsync_start - dmode->hdisplay;  in drm_display_mode_to_videomode()
251 	vm->hsync_len = dmode->hsync_end - dmode->hsync_start;  in drm_display_mode_to_videomode()
252 	vm->hback_porch = dmode->htotal - dmode->hsync_end;  in drm_display_mode_to_videomode()
254 	vm->vactive = dmode->vdisplay;  in drm_display_mode_to_videomode()
255 	vm->vfront_porch = dmode->vsync_start - dmode->vdisplay;  in drm_display_mode_to_videomode()
256 	vm->vsync_len = dmode->vsync_end - dmode->vsync_start;  in drm_display_mode_to_videomode()
257 	vm->vback_porch = dmode->vtotal - dmode->vsync_end;  in drm_display_mode_to_videomode()
259 	vm->pixelclock = dmode->clock * 1000;  in drm_display_mode_to_videomode()
261 	vm->flags = 0;  in drm_display_mode_to_videomode()
263 		vm->flags |= DISPLAY_FLAGS_HSYNC_HIGH;  in drm_display_mode_to_videomode()
265 		vm->flags |= DISPLAY_FLAGS_HSYNC_LOW;  in drm_display_mode_to_videomode()
267 		vm->flags |= DISPLAY_FLAGS_VSYNC_HIGH;  in drm_display_mode_to_videomode()
269 		vm->flags |= DISPLAY_FLAGS_VSYNC_LOW;  in drm_display_mode_to_videomode()
271 		vm->flags |= DISPLAY_FLAGS_INTERLACED;  in drm_display_mode_to_videomode()
273 		vm->flags |= DISPLAY_FLAGS_DOUBLESCAN;  in drm_display_mode_to_videomode()
275 		vm->flags |= DISPLAY_FLAGS_DOUBLECLK;  in drm_display_mode_to_videomode()