Message ID | 1450236377-1644-1-git-send-email-ykk@rock-chips.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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 <ykk@rock-chips.com> > Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> > Tested-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Jingoo Han <jingoohan1@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
On 12/22/2015 08:05 PM, Jingoo Han wrote: > 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 <ykk@rock-chips.com> >> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> >> Tested-by: Javier Martinez Canillas <javier@osg.samsung.com> > Acked-by: Jingoo Han <jingoohan1@gmail.com> Thanks, - Yakir > 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 > > > >
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);