drm/dp_dual_mode: Pass drm_device to drm_lspcon_(get|set)_mode()

So that we can start using drm_dbg_*() throughout the DRM DP helpers.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423184309.207645-13-lyude@redhat.com
Reviewed-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_dp_dual_mode_helper.c

@@ -430,6 +430,7 @@ EXPORT_SYMBOL(drm_dp_get_dual_mode_type_name);
 /**
  * drm_lspcon_get_mode: Get LSPCON's current mode of operation by
  * reading offset (0x80, 0x41)
+ * @dev: &drm_device to use
  * @adapter: I2C-over-aux adapter
  * @mode: current lspcon mode of operation output variable
  *
@@ -437,7 +438,7 @@ EXPORT_SYMBOL(drm_dp_get_dual_mode_type_name);
  * 0 on success, sets the current_mode value to appropriate mode
  * -error on failure
  */
-int drm_lspcon_get_mode(struct i2c_adapter *adapter,
+int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
 			enum drm_lspcon_mode *mode)
 {
 	u8 data;
@@ -477,13 +478,14 @@ EXPORT_SYMBOL(drm_lspcon_get_mode);
 /**
  * drm_lspcon_set_mode: Change LSPCON's mode of operation by
  * writing offset (0x80, 0x40)
+ * @dev: &drm_device to use
  * @adapter: I2C-over-aux adapter
  * @mode: required mode of operation
  *
  * Returns:
  * 0 on success, -error on failure/timeout
  */
-int drm_lspcon_set_mode(struct i2c_adapter *adapter,
+int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
 			enum drm_lspcon_mode mode)
 {
 	u8 data = 0;
@@ -508,7 +510,7 @@ int drm_lspcon_set_mode(struct i2c_adapter *adapter,
 	 * so wait and retry until time out or done.
 	 */
 	do {
-		ret = drm_lspcon_get_mode(adapter, &current_mode);
+		ret = drm_lspcon_get_mode(dev, adapter, &current_mode);
 		if (ret) {
 			DRM_ERROR("can't confirm LSPCON mode change\n");
 			return ret;

drivers/gpu/drm/i915/display/intel_lspcon.c

@@ -139,10 +139,11 @@ void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon)
 
 static enum drm_lspcon_mode lspcon_get_current_mode(struct intel_lspcon *lspcon)
 {
+	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
 	enum drm_lspcon_mode current_mode;
-	struct i2c_adapter *adapter = &lspcon_to_intel_dp(lspcon)->aux.ddc;
+	struct i2c_adapter *adapter = &intel_dp->aux.ddc;
 
-	if (drm_lspcon_get_mode(adapter, &current_mode)) {
+	if (drm_lspcon_get_mode(intel_dp->aux.drm_dev, adapter, &current_mode)) {
 		DRM_DEBUG_KMS("Error reading LSPCON mode\n");
 		return DRM_LSPCON_MODE_INVALID;
 	}
@@ -175,11 +176,12 @@ out:
 static int lspcon_change_mode(struct intel_lspcon *lspcon,
 			      enum drm_lspcon_mode mode)
 {
+	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
 	int err;
 	enum drm_lspcon_mode current_mode;
-	struct i2c_adapter *adapter = &lspcon_to_intel_dp(lspcon)->aux.ddc;
+	struct i2c_adapter *adapter = &intel_dp->aux.ddc;
 
-	err = drm_lspcon_get_mode(adapter, &current_mode);
+	err = drm_lspcon_get_mode(intel_dp->aux.drm_dev, adapter, &current_mode);
 	if (err) {
 		DRM_ERROR("Error reading LSPCON mode\n");
 		return err;
@@ -190,7 +192,7 @@ static int lspcon_change_mode(struct intel_lspcon *lspcon,
 		return 0;
 	}
 
-	err = drm_lspcon_set_mode(adapter, mode);
+	err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, adapter, mode);
 	if (err < 0) {
 		DRM_ERROR("LSPCON mode change failed\n");
 		return err;

include/drm/drm_dp_dual_mode_helper.h

@@ -114,8 +114,8 @@ int drm_dp_dual_mode_set_tmds_output(const struct drm_device *dev, enum drm_dp_d
 				     struct i2c_adapter *adapter, bool enable);
 const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
 
-int drm_lspcon_get_mode(struct i2c_adapter *adapter,
+int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
 			enum drm_lspcon_mode *current_mode);
-int drm_lspcon_set_mode(struct i2c_adapter *adapter,
+int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
 			enum drm_lspcon_mode reqd_mode);
 #endif