245 	int position, vtotal;  in __intel_get_crtc_scanline()  local
255 	position = intel_de_read_fw(display, PIPEDSL(display, pipe)) & PIPEDSL_LINE_MASK;  in __intel_get_crtc_scanline()
269 	if (HAS_DDI(display) && !position) {  in __intel_get_crtc_scanline()
276 			if (temp != position) {  in __intel_get_crtc_scanline()
277 				position = temp;  in __intel_get_crtc_scanline()
287 	return (position + vtotal + crtc->scanline_offset) % vtotal;  in __intel_get_crtc_scanline()
333 	int position;  in i915_get_crtc_scanoutpos()  local
370 		position = __intel_get_crtc_scanline(crtc);  in i915_get_crtc_scanoutpos()
373 		 * Already exiting vblank? If so, shift our position  in i915_get_crtc_scanoutpos()
378 		if (position >= vbl_start && scanlines < position)  in i915_get_crtc_scanoutpos()
379 			position = min(crtc->vmax_vblank_start + scanlines, vtotal - 1);  in i915_get_crtc_scanoutpos()
382 		 * scanout position from Display scan line register.  in i915_get_crtc_scanoutpos()
384 		position = __intel_get_crtc_scanline(crtc);  in i915_get_crtc_scanoutpos()
389 		 * scanout position.  in i915_get_crtc_scanoutpos()
391 …position = (intel_de_read_fw(display, PIPEFRAMEPIXEL(display, pipe)) & PIPE_PIXEL_MASK) >> PIPE_PI…  in i915_get_crtc_scanoutpos()
401 		 * the reported position from jumping backwards when the pixel  in i915_get_crtc_scanoutpos()
403 		 * clamp the position the length of the shorter field. This  in i915_get_crtc_scanoutpos()
404 		 * matches how the scanline counter based position works since  in i915_get_crtc_scanoutpos()
407 		position = min(position, vtotal - 1);  in i915_get_crtc_scanoutpos()
416 		 * always add htotal-hsync_start to the current pixel position.  in i915_get_crtc_scanoutpos()
418 		position = (position + htotal - hsync_start) % vtotal;  in i915_get_crtc_scanoutpos()
431 	 * While in vblank, position will be negative  in i915_get_crtc_scanoutpos()
433 	 * vblank, position will be positive counting  in i915_get_crtc_scanoutpos()
436 	if (position >= vbl_start)  in i915_get_crtc_scanoutpos()
437 		position -= vbl_end;  in i915_get_crtc_scanoutpos()
439 		position += vtotal - vbl_end;  in i915_get_crtc_scanoutpos()
442 		*vpos = position;  in i915_get_crtc_scanoutpos()
445 		*vpos = position / htotal;  in i915_get_crtc_scanoutpos()
446 		*hpos = position - (*vpos * htotal);  in i915_get_crtc_scanoutpos()
464 	int position;  in intel_get_crtc_scanline()  local
469 	position = __intel_get_crtc_scanline(crtc);  in intel_get_crtc_scanline()
474 	return position;  in intel_get_crtc_scanline()