diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index d30c2a389294..036546ce8db8 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -187,8 +187,30 @@ static bool g4x_fbc_is_active(struct drm_i915_private *dev_priv) return intel_de_read(dev_priv, DPFC_CONTROL) & DPFC_CTL_EN; } +static void i8xx_fbc_recompress(struct drm_i915_private *dev_priv) +{ + struct intel_fbc_reg_params *params = &dev_priv->fbc.params; + enum i9xx_plane_id i9xx_plane = params->crtc.i9xx_plane; + + spin_lock_irq(&dev_priv->uncore.lock); + intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), + intel_de_read_fw(dev_priv, DSPADDR(i9xx_plane))); + spin_unlock_irq(&dev_priv->uncore.lock); +} + +static void i965_fbc_recompress(struct drm_i915_private *dev_priv) +{ + struct intel_fbc_reg_params *params = &dev_priv->fbc.params; + enum i9xx_plane_id i9xx_plane = params->crtc.i9xx_plane; + + spin_lock_irq(&dev_priv->uncore.lock); + intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), + intel_de_read_fw(dev_priv, DSPSURF(i9xx_plane))); + spin_unlock_irq(&dev_priv->uncore.lock); +} + /* This function forces a CFB recompression through the nuke operation. */ -static void intel_fbc_recompress(struct drm_i915_private *dev_priv) +static void snb_fbc_recompress(struct drm_i915_private *dev_priv) { struct intel_fbc *fbc = &dev_priv->fbc; @@ -198,6 +220,16 @@ static void intel_fbc_recompress(struct drm_i915_private *dev_priv) intel_de_posting_read(dev_priv, MSG_FBC_REND_STATE); } +static void intel_fbc_recompress(struct drm_i915_private *dev_priv) +{ + if (INTEL_GEN(dev_priv) >= 6) + snb_fbc_recompress(dev_priv); + else if (INTEL_GEN(dev_priv) >= 4) + i965_fbc_recompress(dev_priv); + else + i8xx_fbc_recompress(dev_priv); +} + static void ilk_fbc_activate(struct drm_i915_private *dev_priv) { struct intel_fbc_reg_params *params = &dev_priv->fbc.params; |