205 	int position, vtotal;  in __intel_get_crtc_scanline()  local
220 	position = intel_de_read_fw(dev_priv, PIPEDSL(pipe)) & PIPEDSL_LINE_MASK;  in __intel_get_crtc_scanline()
234 	if (HAS_DDI(dev_priv) && !position) {  in __intel_get_crtc_scanline()
240 			if (temp != position) {  in __intel_get_crtc_scanline()
241 				position = temp;  in __intel_get_crtc_scanline()
251 	return (position + crtc->scanline_offset) % vtotal;  in __intel_get_crtc_scanline()
304 	int position;  in i915_get_crtc_scanoutpos()  local
347 		position = __intel_get_crtc_scanline(crtc);  in i915_get_crtc_scanoutpos()
350 		 * Already exiting vblank? If so, shift our position  in i915_get_crtc_scanoutpos()
355 		if (position >= vbl_start && scanlines < position)  in i915_get_crtc_scanoutpos()
356 			position = min(crtc->vmax_vblank_start + scanlines, vtotal - 1);  in i915_get_crtc_scanoutpos()
359 		 * scanout position from Display scan line register.  in i915_get_crtc_scanoutpos()
361 		position = __intel_get_crtc_scanline(crtc);  in i915_get_crtc_scanoutpos()
366 		 * scanout position.  in i915_get_crtc_scanoutpos()
368 …position = (intel_de_read_fw(dev_priv, PIPEFRAMEPIXEL(pipe)) & PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIF…  in i915_get_crtc_scanoutpos()
378 		 * the reported position from jumping backwards when the pixel  in i915_get_crtc_scanoutpos()
380 		 * clamp the position the length of the shorter field. This  in i915_get_crtc_scanoutpos()
381 		 * matches how the scanline counter based position works since  in i915_get_crtc_scanoutpos()
384 		position = min(position, vtotal - 1);  in i915_get_crtc_scanoutpos()
393 		 * always add htotal-hsync_start to the current pixel position.  in i915_get_crtc_scanoutpos()
395 		position = (position + htotal - hsync_start) % vtotal;  in i915_get_crtc_scanoutpos()
408 	 * While in vblank, position will be negative  in i915_get_crtc_scanoutpos()
410 	 * vblank, position will be positive counting  in i915_get_crtc_scanoutpos()
413 	if (position >= vbl_start)  in i915_get_crtc_scanoutpos()
414 		position -= vbl_end;  in i915_get_crtc_scanoutpos()
416 		position += vtotal - vbl_end;  in i915_get_crtc_scanoutpos()
419 		*vpos = position;  in i915_get_crtc_scanoutpos()
422 		*vpos = position / htotal;  in i915_get_crtc_scanoutpos()
423 		*hpos = position - (*vpos * htotal);  in i915_get_crtc_scanoutpos()
441 	int position;  in intel_get_crtc_scanline()  local
446 	position = __intel_get_crtc_scanline(crtc);  in intel_get_crtc_scanline()
451 	return position;  in intel_get_crtc_scanline()