Merge tag 'powerpc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[cascardo/linux.git] / drivers / gpu / drm / radeon / atombios_crtc.c

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index cf61e08..b80b08f 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -275,13 +275,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
                if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
                        atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
                atombios_blank_crtc(crtc, ATOM_DISABLE);
-               drm_vblank_on(dev, radeon_crtc->crtc_id);
+               if (dev->num_crtcs > radeon_crtc->crtc_id)
+                       drm_vblank_on(dev, radeon_crtc->crtc_id);
                radeon_crtc_load_lut(crtc);
                break;
        case DRM_MODE_DPMS_STANDBY:
        case DRM_MODE_DPMS_SUSPEND:
        case DRM_MODE_DPMS_OFF:
-               drm_vblank_off(dev, radeon_crtc->crtc_id);
+               if (dev->num_crtcs > radeon_crtc->crtc_id)
+                       drm_vblank_off(dev, radeon_crtc->crtc_id);
                if (radeon_crtc->enabled)
                        atombios_blank_crtc(crtc, ATOM_ENABLE);
                if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))