drm/i915: kill intel_ddc_probe

We have way too much lying hardware to rely on a simple "does someone
answer on the ddc i2c address?" check. And now it's unused, so just
kill it.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

2 files changed, 0 insertions, 29 deletions

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 6f3bf22d32f5..84353559441c 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -342,7 +342,6 @@ struct intel_fbc_work {
 };
 
 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
-extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
 
 extern void intel_attach_force_audio_property(struct drm_connector *connector);
 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
index d67ec3a51e42..45848b9b670b 100644
--- a/drivers/gpu/drm/i915/intel_modes.c
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -33,34 +33,6 @@
 #include "i915_drv.h"
 
 /**
- * intel_ddc_probe
- *
- */
-bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus)
-{
-        struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private;
-        u8 out_buf[] = { 0x0, 0x0};
-        u8 buf[2];
-        struct i2c_msg msgs[] = {
-                {
-                        .addr = DDC_ADDR,
-                        .flags = 0,
-                        .len = 1,
-                        .buf = out_buf,
-                },
-                {
-                        .addr = DDC_ADDR,
-                        .flags = I2C_M_RD,
-                        .len = 1,
-                        .buf = buf,
-                }
-        };
-
-        return i2c_transfer(intel_gmbus_get_adapter(dev_priv, ddc_bus),
-                            msgs, 2) == 2;
-}
-
-/**
  * intel_ddc_get_modes - get modelist from monitor
  * @connector: DRM connector device to use
  * @adapter: i2c adapter