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/linux-4.4.14/drivers/gpu/drm/nouveau/
Dnv50_display.c748 u32 oX, oY, *push; in nv50_crtc_set_scale() local
766 oY = omode->vdisplay; in nv50_crtc_set_scale()
768 oY *= 2; in nv50_crtc_set_scale()
780 u32 aspect = (oY << 19) / oX; in nv50_crtc_set_scale()
784 if (bY) oY -= (bY * 2); in nv50_crtc_set_scale()
785 else oY = ((oX * aspect) + (aspect / 2)) >> 19; in nv50_crtc_set_scale()
788 if (bY) oY -= (bY * 2); in nv50_crtc_set_scale()
789 else oY = ((oX * aspect) + (aspect / 2)) >> 19; in nv50_crtc_set_scale()
799 oY = min((u32)umode->vdisplay, oY); in nv50_crtc_set_scale()
802 if (oY < oX) { in nv50_crtc_set_scale()
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