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 <y...@rock-chips.com>
> Reviewed-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
> Tested-by: Javier Martinez Canillas <jav...@osg.samsung.com>

Acked-by: Jingoo Han <jingooh...@gmail.com>

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


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