drm/i915: fix panel fitting filter coefficient select for Ironlake

[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index db4c38700951e787002943150b0e2b6230e8eab2..e189fd6dedcf9f373edd7167174a5eb8a0a416bc 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1515,7 +1515,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
                /* Enable panel fitting for LVDS */
                if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
                        temp = I915_READ(pf_ctl_reg);
-                       I915_WRITE(pf_ctl_reg, temp | PF_ENABLE);
+                       I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3);
 
                        /* currently full aspect */
                        I915_WRITE(pf_win_pos, 0);