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-rw-r--r--drivers/gpu/drm/i915/intel_pm.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 75aceaaace8..cd031b6640f 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