drm/i915: Subclass intel_encoder.

Subclass intel_encoder to reduce the pointer dance through
intel_encoder->dev_priv.

10 files changed, 896 insertions(+), 997 deletions(-)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c7f19ec88f98..9839494528ae 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2537,6 +2537,20 @@ void intel_encoder_commit (struct drm_encoder *encoder)
         encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
 }
 
+void intel_encoder_destroy(struct drm_encoder *encoder)
+{
+        struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+        if (intel_encoder->ddc_bus)
+                intel_i2c_destroy(intel_encoder->ddc_bus);
+
+        if (intel_encoder->i2c_bus)
+                intel_i2c_destroy(intel_encoder->i2c_bus);
+
+        drm_encoder_cleanup(encoder);
+        kfree(intel_encoder);
+}
+
 static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
                                   struct drm_display_mode *mode,
                                   struct drm_display_mode *adjusted_mode)