Subject: [PATCH v11 02/19] drm: bridge: analogix/dp: fix some obvious code style

From: [email-masked] (Jingoo Han)
Date: Tue, 22 Dec 2015 21:05:57 +0900

On Wednesday, December 16, 2015 12:26 PM, Yakir Yang wrote:
> 
> Fix some obvious alignment problems, like alignment and line
> over 80 characters problems, make this easy to be maintained
> later.
> 
> Signed-off-by: Yakir Yang <[email-masked]>
> Reviewed-by: Krzysztof Kozlowski <[email-masked]>
> Tested-by: Javier Martinez Canillas <[email-masked]>

Acked-by: Jingoo Han <[email-masked]>

Best regards,
Jingoo Han

> ---
> Changes in v11: None
> Changes in v10: None
> Changes in v9: None
> Changes in v8: None
> Changes in v7: None
> Changes in v6: None
> Changes in v5:
> - Resequence this patch after analogix_dp driver have been split
>   from exynos_dp code, and rephrase reasonable commit message, and
>   remove some controversial style (Krzysztof)
>     -		analogix_dp_write_byte_to_dpcd(
>     - 				dp, DP_TEST_RESPONSE,
>     +		analogix_dp_write_byte_to_dpcd(dp,
>     +				DP_TEST_RESPONSE,
> 				DP_TEST_EDID_CHECKSUM_WRITE);
> 
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - Improved commit message more readable, and avoid using some
>   uncommon style like bellow: (Joe Preches)
>     -  retval = exynos_dp_read_bytes_from_i2c(...
>   				  ...);
>     +  retval =
>     +  exynos_dp_read_bytes_from_i2c(......);
> 
>  drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 129 ++++++++++-----------
>  drivers/gpu/drm/bridge/analogix/analogix_dp_core.h |  72 ++++++------
>  drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c  | 124 ++++++++++----------
>  3 files changed, 163 insertions(+), 162 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index fb8bda8..4a05c2b 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -61,7 +61,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp)
> 
>  	while (analogix_dp_get_plug_in_status(dp) != 0) {
>  		timeout_loop++;
> -		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
> +		if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) {
>  			dev_err(dp->dev, "failed to get hpd plug status\n");
>  			return -ETIMEDOUT;
>  		}
> @@ -98,8 +98,8 @@ static int analogix_dp_read_edid(struct analogix_dp_device *dp)
> 
>  	/* Read Extension Flag, Number of 128-byte EDID extension blocks */
>  	retval = analogix_dp_read_byte_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
> -				EDID_EXTENSION_FLAG,
> -				&extend_block);
> +						EDID_EXTENSION_FLAG,
> +						&extend_block);
>  	if (retval)
>  		return retval;
> 
> @@ -107,7 +107,8 @@ static int analogix_dp_read_edid(struct analogix_dp_device *dp)
>  		dev_dbg(dp->dev, "EDID data includes a single extension!\n");
> 
>  		/* Read EDID data */
> -		retval = analogix_dp_read_bytes_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
> +		retval = analogix_dp_read_bytes_from_i2c(dp,
> +						I2C_EDID_DEVICE_ADDR,
>  						EDID_HEADER_PATTERN,
>  						EDID_BLOCK_LENGTH,
>  						&edid[EDID_HEADER_PATTERN]);
> @@ -138,7 +139,7 @@ static int analogix_dp_read_edid(struct analogix_dp_device *dp)
>  		}
> 
>  		analogix_dp_read_byte_from_dpcd(dp, DP_TEST_REQUEST,
> -					&test_vector);
> +						&test_vector);
>  		if (test_vector & DP_TEST_LINK_EDID_READ) {
>  			analogix_dp_write_byte_to_dpcd(dp,
>  				DP_TEST_EDID_CHECKSUM,
> @@ -152,10 +153,8 @@ static int analogix_dp_read_edid(struct analogix_dp_device *dp)
> 
>  		/* Read EDID data */
>  		retval = analogix_dp_read_bytes_from_i2c(dp,
> -				I2C_EDID_DEVICE_ADDR,
> -				EDID_HEADER_PATTERN,
> -				EDID_BLOCK_LENGTH,
> -				&edid[EDID_HEADER_PATTERN]);
> +				I2C_EDID_DEVICE_ADDR, EDID_HEADER_PATTERN,
> +				EDID_BLOCK_LENGTH, &edid[EDID_HEADER_PATTERN]);
>  		if (retval != 0) {
>  			dev_err(dp->dev, "EDID Read failed!\n");
>  			return -EIO;
> @@ -166,16 +165,13 @@ static int analogix_dp_read_edid(struct analogix_dp_device *dp)
>  			return -EIO;
>  		}
> 
> -		analogix_dp_read_byte_from_dpcd(dp,
> -			DP_TEST_REQUEST,
> -			&test_vector);
> +		analogix_dp_read_byte_from_dpcd(dp, DP_TEST_REQUEST,
> +						&test_vector);
>  		if (test_vector & DP_TEST_LINK_EDID_READ) {
>  			analogix_dp_write_byte_to_dpcd(dp,
> -				DP_TEST_EDID_CHECKSUM,
> -				edid[EDID_CHECKSUM]);
> +				DP_TEST_EDID_CHECKSUM, edid[EDID_CHECKSUM]);
>  			analogix_dp_write_byte_to_dpcd(dp,
> -				DP_TEST_RESPONSE,
> -				DP_TEST_EDID_CHECKSUM_WRITE);
> +				DP_TEST_RESPONSE, DP_TEST_EDID_CHECKSUM_WRITE);
>  		}
>  	}
> 
> @@ -190,8 +186,7 @@ static int analogix_dp_handle_edid(struct analogix_dp_device *dp)
>  	int retval;
> 
>  	/* Read DPCD DP_DPCD_REV~RECEIVE_PORT1_CAP_1 */
> -	retval = analogix_dp_read_bytes_from_dpcd(dp, DP_DPCD_REV,
> -				12, buf);
> +	retval = analogix_dp_read_bytes_from_dpcd(dp, DP_DPCD_REV, 12, buf);
>  	if (retval)
>  		return retval;
> 
> @@ -205,8 +200,9 @@ static int analogix_dp_handle_edid(struct analogix_dp_device *dp)
>  	return retval;
>  }
> 
> -static void analogix_dp_enable_rx_to_enhanced_mode(struct analogix_dp_device *dp,
> -						bool enable)
> +static void
> +analogix_dp_enable_rx_to_enhanced_mode(struct analogix_dp_device *dp,
> +				       bool enable)
>  {
>  	u8 data;
> 
> @@ -214,11 +210,11 @@ static void analogix_dp_enable_rx_to_enhanced_mode(struct analogix_dp_device *dp
> 
>  	if (enable)
>  		analogix_dp_write_byte_to_dpcd(dp, DP_LANE_COUNT_SET,
> -			DP_LANE_COUNT_ENHANCED_FRAME_EN |
> -			DPCD_LANE_COUNT_SET(data));
> +					       DP_LANE_COUNT_ENHANCED_FRAME_EN |
> +					       DPCD_LANE_COUNT_SET(data));
>  	else
>  		analogix_dp_write_byte_to_dpcd(dp, DP_LANE_COUNT_SET,
> -			DPCD_LANE_COUNT_SET(data));
> +					       DPCD_LANE_COUNT_SET(data));
>  }
> 
>  static int analogix_dp_is_enhanced_mode_available(struct analogix_dp_device *dp)
> @@ -245,13 +241,13 @@ static void analogix_dp_training_pattern_dis(struct analogix_dp_device *dp)
>  {
>  	analogix_dp_set_training_pattern(dp, DP_NONE);
> 
> -	analogix_dp_write_byte_to_dpcd(dp,
> -		DP_TRAINING_PATTERN_SET,
> -		DP_TRAINING_PATTERN_DISABLE);
> +	analogix_dp_write_byte_to_dpcd(dp, DP_TRAINING_PATTERN_SET,
> +				       DP_TRAINING_PATTERN_DISABLE);
>  }
> 
> -static void analogix_dp_set_lane_lane_pre_emphasis(struct analogix_dp_device *dp,
> -					int pre_emphasis, int lane)
> +static void
> +analogix_dp_set_lane_lane_pre_emphasis(struct analogix_dp_device *dp,
> +				       int pre_emphasis, int lane)
>  {
>  	switch (lane) {
>  	case 0:
> @@ -291,8 +287,7 @@ static int analogix_dp_link_start(struct analogix_dp_device *dp)
>  	/* Setup RX configuration */
>  	buf[0] = dp->link_train.link_rate;
>  	buf[1] = dp->link_train.lane_count;
> -	retval = analogix_dp_write_bytes_to_dpcd(dp, DP_LINK_BW_SET,
> -				2, buf);
> +	retval = analogix_dp_write_bytes_to_dpcd(dp, DP_LINK_BW_SET, 2, buf);
>  	if (retval)
>  		return retval;
> 
> @@ -328,7 +323,7 @@ static int analogix_dp_link_start(struct analogix_dp_device *dp)
>  			    DP_TRAIN_VOLTAGE_SWING_LEVEL_0;
> 
>  	retval = analogix_dp_write_bytes_to_dpcd(dp, DP_TRAINING_LANE0_SET,
> -			lane_count, buf);
> +						 lane_count, buf);
> 
>  	return retval;
>  }
> @@ -336,7 +331,7 @@ static int analogix_dp_link_start(struct analogix_dp_device *dp)
>  static unsigned char analogix_dp_get_lane_status(u8 link_status[2], int lane)
>  {
>  	int shift = (lane & 1) * 4;
> -	u8 link_value = link_status[lane>>1];
> +	u8 link_value = link_status[lane >> 1];
> 
>  	return (link_value >> shift) & 0xf;
>  }
> @@ -355,7 +350,7 @@ static int analogix_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
>  }
> 
>  static int analogix_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
> -				int lane_count)
> +				     int lane_count)
>  {
>  	int lane;
>  	u8 lane_status;
> @@ -373,11 +368,11 @@ static int analogix_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
>  	return 0;
>  }
> 
> -static unsigned char analogix_dp_get_adjust_request_voltage(u8 adjust_request[2],
> -							int lane)
> +static unsigned char
> +analogix_dp_get_adjust_request_voltage(u8 adjust_request[2], int lane)
>  {
>  	int shift = (lane & 1) * 4;
> -	u8 link_value = adjust_request[lane>>1];
> +	u8 link_value = adjust_request[lane >> 1];
> 
>  	return (link_value >> shift) & 0x3;
>  }
> @@ -387,13 +382,13 @@ static unsigned char analogix_dp_get_adjust_request_pre_emphasis(
>  					int lane)
>  {
>  	int shift = (lane & 1) * 4;
> -	u8 link_value = adjust_request[lane>>1];
> +	u8 link_value = adjust_request[lane >> 1];
> 
>  	return ((link_value >> shift) & 0xc) >> 2;
>  }
> 
>  static void analogix_dp_set_lane_link_training(struct analogix_dp_device *dp,
> -					u8 training_lane_set, int lane)
> +					       u8 training_lane_set, int lane)
>  {
>  	switch (lane) {
>  	case 0:
> @@ -413,9 +408,9 @@ static void analogix_dp_set_lane_link_training(struct analogix_dp_device *dp,
>  	}
>  }
> 
> -static unsigned int analogix_dp_get_lane_link_training(
> -				struct analogix_dp_device *dp,
> -				int lane)
> +static unsigned int
> +analogix_dp_get_lane_link_training(struct analogix_dp_device *dp,
> +				   int lane)
>  {
>  	u32 reg;
> 
> @@ -449,7 +444,7 @@ static void analogix_dp_reduce_link_rate(struct analogix_dp_device *dp)
>  }
> 
>  static void analogix_dp_get_adjust_training_lane(struct analogix_dp_device *dp,
> -					u8 adjust_request[2])
> +						 u8 adjust_request[2])
>  {
>  	int lane, lane_count;
>  	u8 voltage_swing, pre_emphasis, training_lane;
> @@ -622,7 +617,7 @@ static int analogix_dp_process_equalizer_training(struct analogix_dp_device *dp)
>  }
> 
>  static void analogix_dp_get_max_rx_bandwidth(struct analogix_dp_device *dp,
> -					u8 *bandwidth)
> +					     u8 *bandwidth)
>  {
>  	u8 data;
> 
> @@ -635,7 +630,7 @@ static void analogix_dp_get_max_rx_bandwidth(struct analogix_dp_device *dp,
>  }
> 
>  static void analogix_dp_get_max_rx_lane_count(struct analogix_dp_device *dp,
> -					u8 *lane_count)
> +					      u8 *lane_count)
>  {
>  	u8 data;
> 
> @@ -648,8 +643,8 @@ static void analogix_dp_get_max_rx_lane_count(struct analogix_dp_device *dp,
>  }
> 
>  static void analogix_dp_init_training(struct analogix_dp_device *dp,
> -			enum link_lane_count_type max_lane,
> -			enum link_rate_type max_rate)
> +				      enum link_lane_count_type max_lane,
> +				      enum link_rate_type max_rate)
>  {
>  	/*
>  	 * MACRO_RST must be applied after the PLL_LOCK to avoid
> @@ -662,7 +657,7 @@ static void analogix_dp_init_training(struct analogix_dp_device *dp,
>  	analogix_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count);
> 
>  	if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
> -	   (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
> +	    (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
>  		dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n",
>  			dp->link_train.link_rate);
>  		dp->link_train.link_rate = LINK_RATE_1_62GBPS;
> @@ -722,8 +717,7 @@ static int analogix_dp_sw_link_training(struct analogix_dp_device *dp)
>  }
> 
>  static int analogix_dp_set_link_train(struct analogix_dp_device *dp,
> -				u32 count,
> -				u32 bwtype)
> +				      u32 count, u32 bwtype)
>  {
>  	int i;
>  	int retval;
> @@ -759,7 +753,7 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp)
>  		timeout_loop++;
>  		if (analogix_dp_is_slave_video_stream_clock_on(dp) == 0)
>  			break;
> -		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
> +		if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) {
>  			dev_err(dp->dev, "Timeout of video streamclk ok\n");
>  			return -ETIMEDOUT;
>  		}
> @@ -790,7 +784,7 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp)
>  		} else if (done_count) {
>  			done_count = 0;
>  		}
> -		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
> +		if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) {
>  			dev_err(dp->dev, "Timeout of video streamclk ok\n");
>  			return -ETIMEDOUT;
>  		}
> @@ -804,25 +798,24 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp)
>  	return retval;
>  }
> 
> -static void analogix_dp_enable_scramble(struct analogix_dp_device *dp, bool enable)
> +static void analogix_dp_enable_scramble(struct analogix_dp_device *dp,
> +					bool enable)
>  {
>  	u8 data;
> 
>  	if (enable) {
>  		analogix_dp_enable_scrambling(dp);
> 
> -		analogix_dp_read_byte_from_dpcd(dp,
> -			DP_TRAINING_PATTERN_SET,
> -			&data);
> +		analogix_dp_read_byte_from_dpcd(dp, DP_TRAINING_PATTERN_SET,
> +						&data);
>  		analogix_dp_write_byte_to_dpcd(dp,
>  			DP_TRAINING_PATTERN_SET,
>  			(u8)(data & ~DP_LINK_SCRAMBLING_DISABLE));
>  	} else {
>  		analogix_dp_disable_scrambling(dp);
> 
> -		analogix_dp_read_byte_from_dpcd(dp,
> -			DP_TRAINING_PATTERN_SET,
> -			&data);
> +		analogix_dp_read_byte_from_dpcd(dp, DP_TRAINING_PATTERN_SET,
> +						&data);
>  		analogix_dp_write_byte_to_dpcd(dp,
>  			DP_TRAINING_PATTERN_SET,
>  			(u8)(data | DP_LINK_SCRAMBLING_DISABLE));
> @@ -895,7 +888,7 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
>  	}
> 
>  	ret = analogix_dp_set_link_train(dp, dp->video_info->lane_count,
> -					dp->video_info->link_rate);
> +					 dp->video_info->link_rate);
>  	if (ret) {
>  		dev_err(dp->dev, "unable to do link train\n");
>  		return;
> @@ -1085,8 +1078,8 @@ static struct video_info *analogix_dp_dt_parse_pdata(struct device *dev)
>  	struct device_node *dp_node = dev->of_node;
>  	struct video_info *dp_video_config;
> 
> -	dp_video_config = devm_kzalloc(dev,
> -				sizeof(*dp_video_config), GFP_KERNEL);
> +	dp_video_config = devm_kzalloc(dev, sizeof(*dp_video_config),
> +				       GFP_KERNEL);
>  	if (!dp_video_config)
>  		return ERR_PTR(-ENOMEM);
> 
> @@ -1100,37 +1093,37 @@ static struct video_info *analogix_dp_dt_parse_pdata(struct device *dev)
>  		of_property_read_bool(dp_node, "interlaced");
> 
>  	if (of_property_read_u32(dp_node, "samsung,color-space",
> -				&dp_video_config->color_space)) {
> +				 &dp_video_config->color_space)) {
>  		dev_err(dev, "failed to get color-space\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> 
>  	if (of_property_read_u32(dp_node, "samsung,dynamic-range",
> -				&dp_video_config->dynamic_range)) {
> +				 &dp_video_config->dynamic_range)) {
>  		dev_err(dev, "failed to get dynamic-range\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> 
>  	if (of_property_read_u32(dp_node, "samsung,ycbcr-coeff",
> -				&dp_video_config->ycbcr_coeff)) {
> +				 &dp_video_config->ycbcr_coeff)) {
>  		dev_err(dev, "failed to get ycbcr-coeff\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> 
>  	if (of_property_read_u32(dp_node, "samsung,color-depth",
> -				&dp_video_config->color_depth)) {
> +				 &dp_video_config->color_depth)) {
>  		dev_err(dev, "failed to get color-depth\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> 
>  	if (of_property_read_u32(dp_node, "samsung,link-rate",
> -				&dp_video_config->link_rate)) {
> +				 &dp_video_config->link_rate)) {
>  		dev_err(dev, "failed to get link-rate\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> 
>  	if (of_property_read_u32(dp_node, "samsung,lane-count",
> -				&dp_video_config->lane_count)) {
> +				 &dp_video_config->lane_count)) {
>  		dev_err(dev, "failed to get lane-count\n");
>  		return ERR_PTR(-EINVAL);
>  	}
> @@ -1239,7 +1232,7 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
>  	pm_runtime_enable(dev);
> 
>  	ret = devm_request_irq(&pdev->dev, dp->irq, analogix_dp_irq_handler,
> -			irq_flags, "analogix-dp", dp);
> +			       irq_flags, "analogix-dp", dp);
>  	if (ret) {
>  		dev_err(&pdev->dev, "failed to request irq\n");
>  		goto err_disable_pm_runtime;
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
> b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
> index 1925216..8e84208 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
> @@ -187,50 +187,55 @@ int analogix_dp_get_plug_in_status(struct analogix_dp_device *dp);
>  void analogix_dp_enable_sw_function(struct analogix_dp_device *dp);
>  int analogix_dp_start_aux_transaction(struct analogix_dp_device *dp);
>  int analogix_dp_write_byte_to_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned char data);
> +				   unsigned int reg_addr,
> +				   unsigned char data);
>  int analogix_dp_read_byte_from_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned char *data);
> +				    unsigned int reg_addr,
> +				    unsigned char *data);
>  int analogix_dp_write_bytes_to_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char data[]);
> +				    unsigned int reg_addr,
> +				    unsigned int count,
> +				    unsigned char data[]);
>  int analogix_dp_read_bytes_from_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char data[]);
> +				     unsigned int reg_addr,
> +				     unsigned int count,
> +				     unsigned char data[]);
>  int analogix_dp_select_i2c_device(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr);
> +				  unsigned int device_addr,
> +				  unsigned int reg_addr);
>  int analogix_dp_read_byte_from_i2c(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr,
> -				unsigned int *data);
> +				   unsigned int device_addr,
> +				   unsigned int reg_addr,
> +				   unsigned int *data);
>  int analogix_dp_read_bytes_from_i2c(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char edid[]);
> +				    unsigned int device_addr,
> +				    unsigned int reg_addr,
> +				    unsigned int count,
> +				    unsigned char edid[]);
>  void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype);
>  void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype);
>  void analogix_dp_set_lane_count(struct analogix_dp_device *dp, u32 count);
>  void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count);
> -void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp, bool enable);
> +void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp,
> +				      bool enable);
>  void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
> -				enum pattern_set pattern);
> -void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp, u32 level);
> -void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp, u32 level);
> -void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp, u32 level);
> -void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp, u32 level);
> +				      enum pattern_set pattern);
> +void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level);
> +void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level);
> +void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level);
> +void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level);
>  void analogix_dp_set_lane0_link_training(struct analogix_dp_device *dp,
> -				u32 training_lane);
> +					 u32 training_lane);
>  void analogix_dp_set_lane1_link_training(struct analogix_dp_device *dp,
> -				u32 training_lane);
> +					 u32 training_lane);
>  void analogix_dp_set_lane2_link_training(struct analogix_dp_device *dp,
> -				u32 training_lane);
> +					 u32 training_lane);
>  void analogix_dp_set_lane3_link_training(struct analogix_dp_device *dp,
> -				u32 training_lane);
> +					 u32 training_lane);
>  u32 analogix_dp_get_lane0_link_training(struct analogix_dp_device *dp);
>  u32 analogix_dp_get_lane1_link_training(struct analogix_dp_device *dp);
>  u32 analogix_dp_get_lane2_link_training(struct analogix_dp_device *dp);
> @@ -241,11 +246,12 @@ void analogix_dp_init_video(struct analogix_dp_device *dp);
>  void analogix_dp_set_video_color_format(struct analogix_dp_device *dp);
>  int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp);
>  void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp,
> -			enum clock_recovery_m_value_type type,
> -			u32 m_value,
> -			u32 n_value);
> +				 enum clock_recovery_m_value_type type,
> +				 u32 m_value,
> +				 u32 n_value);
>  void analogix_dp_set_video_timing_mode(struct analogix_dp_device *dp, u32 type);
> -void analogix_dp_enable_video_master(struct analogix_dp_device *dp, bool enable);
> +void analogix_dp_enable_video_master(struct analogix_dp_device *dp,
> +				     bool enable);
>  void analogix_dp_start_video(struct analogix_dp_device *dp);
>  int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp);
>  void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp);
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
> b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
> index 442cc66..a388c0a 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
> @@ -54,10 +54,10 @@ void analogix_dp_lane_swap(struct analogix_dp_device *dp, bool enable)
> 
>  	if (enable)
>  		reg = LANE3_MAP_LOGIC_LANE_0 | LANE2_MAP_LOGIC_LANE_1 |
> -			LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3;
> +		      LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3;
>  	else
>  		reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 |
> -			LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
> +		      LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
> 
>  	writel(reg, dp->reg_base + ANALOGIX_DP_LANE_MAP);
>  }
> @@ -202,8 +202,8 @@ void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable)
>  }
> 
>  void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
> -				enum analog_power_block block,
> -				bool enable)
> +				       enum analog_power_block block,
> +				       bool enable)
>  {
>  	u32 reg;
> 
> @@ -399,8 +399,8 @@ void analogix_dp_init_aux(struct analogix_dp_device *dp)
>  	analogix_dp_reset_aux(dp);
> 
>  	/* Disable AUX transaction H/W retry */
> -	reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0)|
> -		AUX_HW_RETRY_INTERVAL_600_MICROSECONDS;
> +	reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0) |
> +	      AUX_HW_RETRY_INTERVAL_600_MICROSECONDS;
>  	writel(reg, dp->reg_base + ANALOGIX_DP_AUX_HW_RETRY_CTL);
> 
>  	/* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */
> @@ -483,8 +483,8 @@ int analogix_dp_start_aux_transaction(struct analogix_dp_device *dp)
>  }
> 
>  int analogix_dp_write_byte_to_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned char data)
> +				   unsigned int reg_addr,
> +				   unsigned char data)
>  {
>  	u32 reg;
>  	int i;
> @@ -519,17 +519,16 @@ int analogix_dp_write_byte_to_dpcd(struct analogix_dp_device *dp,
>  		retval = analogix_dp_start_aux_transaction(dp);
>  		if (retval == 0)
>  			break;
> -		else
> -			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> -				__func__);
> +
> +		dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
>  	}
> 
>  	return retval;
>  }
> 
>  int analogix_dp_read_byte_from_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned char *data)
> +				    unsigned int reg_addr,
> +				    unsigned char *data)
>  {
>  	u32 reg;
>  	int i;
> @@ -560,9 +559,8 @@ int analogix_dp_read_byte_from_dpcd(struct analogix_dp_device *dp,
>  		retval = analogix_dp_start_aux_transaction(dp);
>  		if (retval == 0)
>  			break;
> -		else
> -			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> -				__func__);
> +
> +		dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
>  	}
> 
>  	/* Read data buffer */
> @@ -573,9 +571,9 @@ int analogix_dp_read_byte_from_dpcd(struct analogix_dp_device *dp,
>  }
> 
>  int analogix_dp_write_bytes_to_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char data[])
> +				    unsigned int reg_addr,
> +				    unsigned int count,
> +				    unsigned char data[])
>  {
>  	u32 reg;
>  	unsigned int start_offset;
> @@ -608,8 +606,9 @@ int analogix_dp_write_bytes_to_dpcd(struct analogix_dp_device *dp,
>  			for (cur_data_idx = 0; cur_data_idx < cur_data_count;
>  			     cur_data_idx++) {
>  				reg = data[start_offset + cur_data_idx];
> -				writel(reg, dp->reg_base + ANALOGIX_DP_BUF_DATA_0
> -							  + 4 * cur_data_idx);
> +				writel(reg, dp->reg_base +
> +				       ANALOGIX_DP_BUF_DATA_0 +
> +				       4 * cur_data_idx);
>  			}
> 
>  			/*
> @@ -625,9 +624,9 @@ int analogix_dp_write_bytes_to_dpcd(struct analogix_dp_device *dp,
>  			retval = analogix_dp_start_aux_transaction(dp);
>  			if (retval == 0)
>  				break;
> -			else
> -				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> -					__func__);
> +
> +			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> +				__func__);
>  		}
> 
>  		start_offset += cur_data_count;
> @@ -637,9 +636,9 @@ int analogix_dp_write_bytes_to_dpcd(struct analogix_dp_device *dp,
>  }
> 
>  int analogix_dp_read_bytes_from_dpcd(struct analogix_dp_device *dp,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char data[])
> +				     unsigned int reg_addr,
> +				     unsigned int count,
> +				     unsigned char data[])
>  {
>  	u32 reg;
>  	unsigned int start_offset;
> @@ -683,9 +682,9 @@ int analogix_dp_read_bytes_from_dpcd(struct analogix_dp_device *dp,
>  			retval = analogix_dp_start_aux_transaction(dp);
>  			if (retval == 0)
>  				break;
> -			else
> -				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> -					__func__);
> +
> +			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> +				__func__);
>  		}
> 
>  		for (cur_data_idx = 0; cur_data_idx < cur_data_count;
> @@ -703,8 +702,8 @@ int analogix_dp_read_bytes_from_dpcd(struct analogix_dp_device *dp,
>  }
> 
>  int analogix_dp_select_i2c_device(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr)
> +				  unsigned int device_addr,
> +				  unsigned int reg_addr)
>  {
>  	u32 reg;
>  	int retval;
> @@ -736,9 +735,9 @@ int analogix_dp_select_i2c_device(struct analogix_dp_device *dp,
>  }
> 
>  int analogix_dp_read_byte_from_i2c(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr,
> -				unsigned int *data)
> +				   unsigned int device_addr,
> +				   unsigned int reg_addr,
> +				   unsigned int *data)
>  {
>  	u32 reg;
>  	int i;
> @@ -750,7 +749,8 @@ int analogix_dp_read_byte_from_i2c(struct analogix_dp_device *dp,
>  		writel(reg, dp->reg_base + ANALOGIX_DP_BUFFER_DATA_CTL);
> 
>  		/* Select EDID device */
> -		retval = analogix_dp_select_i2c_device(dp, device_addr, reg_addr);
> +		retval = analogix_dp_select_i2c_device(dp, device_addr,
> +						       reg_addr);
>  		if (retval != 0)
>  			continue;
> 
> @@ -767,9 +767,8 @@ int analogix_dp_read_byte_from_i2c(struct analogix_dp_device *dp,
>  		retval = analogix_dp_start_aux_transaction(dp);
>  		if (retval == 0)
>  			break;
> -		else
> -			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> -				__func__);
> +
> +		dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
>  	}
> 
>  	/* Read data */
> @@ -780,10 +779,10 @@ int analogix_dp_read_byte_from_i2c(struct analogix_dp_device *dp,
>  }
> 
>  int analogix_dp_read_bytes_from_i2c(struct analogix_dp_device *dp,
> -				unsigned int device_addr,
> -				unsigned int reg_addr,
> -				unsigned int count,
> -				unsigned char edid[])
> +				    unsigned int device_addr,
> +				    unsigned int reg_addr,
> +				    unsigned int count,
> +				    unsigned char edid[])
>  {
>  	u32 reg;
>  	unsigned int i, j;
> @@ -828,15 +827,14 @@ int analogix_dp_read_bytes_from_i2c(struct analogix_dp_device *dp,
>  				retval = analogix_dp_start_aux_transaction(dp);
>  				if (retval == 0)
>  					break;
> -				else
> -					dev_dbg(dp->dev,
> -						"%s: Aux Transaction fail!\n",
> -						__func__);
> +
> +				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
> +					__func__);
>  			}
>  			/* Check if Rx sends defer */
>  			reg = readl(dp->reg_base + ANALOGIX_DP_AUX_RX_COMM);
>  			if (reg == AUX_RX_COMM_AUX_DEFER ||
> -				reg == AUX_RX_COMM_I2C_DEFER) {
> +			    reg == AUX_RX_COMM_I2C_DEFER) {
>  				dev_err(dp->dev, "Defer: %d\n\n", reg);
>  				defer = 1;
>  			}
> @@ -885,7 +883,8 @@ void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count)
>  	*count = reg;
>  }
> 
> -void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp, bool enable)
> +void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp,
> +				      bool enable)
>  {
>  	u32 reg;
> 
> @@ -901,7 +900,7 @@ void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp, bool enable
>  }
> 
>  void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
> -				enum pattern_set pattern)
> +				      enum pattern_set pattern)
>  {
>  	u32 reg;
> 
> @@ -933,7 +932,8 @@ void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
>  	}
>  }
> 
> -void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp, u32 level)
> +void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level)
>  {
>  	u32 reg;
> 
> @@ -943,7 +943,8 @@ void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp, u32 level
>  	writel(reg, dp->reg_base + ANALOGIX_DP_LN0_LINK_TRAINING_CTL);
>  }
> 
> -void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp, u32 level)
> +void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level)
>  {
>  	u32 reg;
> 
> @@ -953,7 +954,8 @@ void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp, u32 level
>  	writel(reg, dp->reg_base + ANALOGIX_DP_LN1_LINK_TRAINING_CTL);
>  }
> 
> -void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp, u32 level)
> +void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level)
>  {
>  	u32 reg;
> 
> @@ -963,7 +965,8 @@ void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp, u32 level
>  	writel(reg, dp->reg_base + ANALOGIX_DP_LN2_LINK_TRAINING_CTL);
>  }
> 
> -void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp, u32 level)
> +void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp,
> +					u32 level)
>  {
>  	u32 reg;
> 
> @@ -974,7 +977,7 @@ void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp, u32 level
>  }
> 
>  void analogix_dp_set_lane0_link_training(struct analogix_dp_device *dp,
> -					u32 training_lane)
> +					 u32 training_lane)
>  {
>  	u32 reg;
> 
> @@ -983,7 +986,7 @@ void analogix_dp_set_lane0_link_training(struct analogix_dp_device *dp,
>  }
> 
>  void analogix_dp_set_lane1_link_training(struct analogix_dp_device *dp,
> -					u32 training_lane)
> +					 u32 training_lane)
>  {
>  	u32 reg;
> 
> @@ -1001,7 +1004,7 @@ void analogix_dp_set_lane2_link_training(struct analogix_dp_device *dp,
>  }
> 
>  void analogix_dp_set_lane3_link_training(struct analogix_dp_device *dp,
> -					u32 training_lane)
> +					 u32 training_lane)
>  {
>  	u32 reg;
> 
> @@ -1125,9 +1128,8 @@ int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp)
>  }
> 
>  void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp,
> -		enum clock_recovery_m_value_type type,
> -		u32 m_value,
> -		u32 n_value)
> +				 enum clock_recovery_m_value_type type,
> +				 u32 m_value, u32 n_value)
>  {
>  	u32 reg;
> 
> @@ -1221,7 +1223,7 @@ void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp)
>  	u32 reg;
> 
>  	reg = readl(dp->reg_base + ANALOGIX_DP_FUNC_EN_1);
> -	reg &= ~(MASTER_VID_FUNC_EN_N|SLAVE_VID_FUNC_EN_N);
> +	reg &= ~(MASTER_VID_FUNC_EN_N | SLAVE_VID_FUNC_EN_N);
>  	reg |= MASTER_VID_FUNC_EN_N;
>  	writel(reg, dp->reg_base + ANALOGIX_DP_FUNC_EN_1);
> 
> --
> 1.9.1