diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 236d268d809..51871c248d6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3599,9 +3599,13 @@ static void haswell_crtc_disable(struct drm_crtc *crtc) intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); - /* Disable PF */ - I915_WRITE(PF_CTL(pipe), 0); - I915_WRITE(PF_WIN_SZ(pipe), 0); + /* XXX: Once we have proper panel fitter state tracking implemented with + * hardware state read/check support we should switch to only disable + * the panel fitter when we know it's used. */ + if (intel_using_power_well(dev)) { + I915_WRITE(PF_CTL(pipe), 0); + I915_WRITE(PF_WIN_SZ(pipe), 0); + } intel_ddi_disable_pipe_clock(intel_crtc); |