diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 24fbd0f2450..25e3866f915 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2005,15 +2005,13 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode) /* Enable panel fitting for LVDS */ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || HAS_eDP || intel_pch_has_edp(crtc)) { - temp = I915_READ(pf_ctl_reg); - I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3); - - /* currently full aspect */ - I915_WRITE(pf_win_pos, 0); - - I915_WRITE(pf_win_size, - (dev_priv->panel_fixed_mode->hdisplay << 16) | - (dev_priv->panel_fixed_mode->vdisplay)); + if (dev_priv->pch_pf_size) { + temp = I915_READ(pf_ctl_reg); + I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3); + I915_WRITE(pf_win_pos, dev_priv->pch_pf_pos); + I915_WRITE(pf_win_size, dev_priv->pch_pf_size); + } else + I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE); } /* Enable CPU pipe */ |