1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 891935271d34..742f17f009a9 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1184,7 +1184,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 
         WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
-               crtc->mode.vdisplay);
+               target_fb->height);
         x &= ~3;
         y &= ~1;
         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
@@ -1353,7 +1353,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 
         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
-               crtc->mode.vdisplay);
+               target_fb->height);
         x &= ~3;
         y &= ~1;
         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,