From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> On CTG and IVB+ we don't try to preserve any bits from the DPFC_CONTROL register. Follow suit on ILK/SNB. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 75aceaa..cd031b6 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -227,9 +227,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc) struct intel_crtc *intel_crtc = to_intel_crtc(crtc); u32 dpfc_ctl; - dpfc_ctl = I915_READ(ILK_DPFC_CONTROL); - dpfc_ctl &= DPFC_RESERVED; - dpfc_ctl |= DPFC_CTL_PLANE(intel_crtc->plane); + dpfc_ctl = DPFC_CTL_PLANE(intel_crtc->plane); if (drm_format_plane_cpp(fb->pixel_format, 0) == 2) dpfc_ctl |= DPFC_CTL_LIMIT_2X; else -- 1.8.3.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx