[v4,13/17] drm/bridge: analogix_dp: Convert &analogix_dp_device.aux into a pointer

Message ID	20241226063313.3267515-14-damon.ding@rock-chips.com (mailing list archive)
State	New
Headers	show Return-Path: <linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org> From: Damon Ding <damon.ding@rock-chips.com> To: heiko@sntech.de Subject: [PATCH v4 13/17] drm/bridge: analogix_dp: Convert &analogix_dp_device.aux into a pointer Date: Thu, 26 Dec 2024 14:33:09 +0800 Message-Id: <20241226063313.3267515-14-damon.ding@rock-chips.com> In-Reply-To: <20241226063313.3267515-1-damon.ding@rock-chips.com> References: <20241226063313.3267515-1-damon.ding@rock-chips.com> MIME-Version: 1.0 Precedence: list Cc: robh@kernel.org, conor+dt@kernel.org, algea.cao@rock-chips.com, rfoss@kernel.org, devicetree@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, sebastian.reichel@collabora.com, dri-devel@lists.freedesktop.org, hjc@rock-chips.com, kever.yang@rock-chips.com, linux-rockchip@lists.infradead.org, vkoul@kernel.org, Damon Ding <damon.ding@rock-chips.com>, andy.yan@rock-chips.com, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, l.stach@pengutronix.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" <linux-rockchip-bounces@lists.infradead.org> Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org
Series	Add eDP support for RK3588 \| expand [v4,00/17] Add eDP support for RK3588 [v4,01/17] drm/rockchip: analogix_dp: Use formalized struct definition for grf field [v4,02/17] dt-bindings: display: rockchip: analogix-dp: Add support for RK3588 [v4,03/17] drm/rockchip: analogix_dp: Add support for RK3588 [v4,04/17] phy: phy-rockchip-samsung-hdptx: Swap the definitions of LCPLL_REF and ROPLL_REF [v4,05/17] phy: phy-rockchip-samsung-hdptx: Supplement some register names with their full version [v4,06/17] phy: phy-rockchip-samsung-hdptx: Add the '_MASK' suffix to all registers [v4,07/17] phy: phy-rockchip-samsung-hdptx: Add support for eDP mode [v4,08/17] drm/bridge: analogix_dp: Add support for RK3588 [v4,09/17] drm/bridge: analogix_dp: Add support for phy configuration. [v4,10/17] dt-bindings: display: rockchip: analogix-dp: Add support to get panel from the DP AUX bus [v4,11/17] drm/bridge: analogix_dp: Add a new member aux to struct analogix_dp_plat_data [v4,12/17] drm/rockchip: analogix_dp: Add support to get panel from the DP AUX bus [v4,13/17] drm/bridge: analogix_dp: Convert &analogix_dp_device.aux into a pointer [v4,14/17] dt-bindings: display: rockchip: Fix label name of hdptxphy for RK3588 HDMI TX Controller [v4,15/17] arm64: dts: rockchip: Fix label name of hdptxphy for RK3588 [v4,16/17] arm64: dts: rockchip: Add eDP0 node for RK3588 [v4,17/17] arm64: dts: rockchip: Enable eDP0 display on RK3588S EVB1 board

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 9429c50cc1bc..f7ff9520ad5f 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -33,6 +33,7 @@ #include "analogix_dp_reg.h" #define to_dp(nm) container_of(nm, struct analogix_dp_device, nm) +#define to_pdata(nm) container_of(nm, struct analogix_dp_plat_data, nm) static const bool verify_fast_training; @@ -98,7 +99,7 @@ static bool analogix_dp_detect_sink_psr(struct analogix_dp_device *dp) unsigned char psr_version; int ret; - ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_SUPPORT, &psr_version); + ret = drm_dp_dpcd_readb(dp->aux, DP_PSR_SUPPORT, &psr_version); if (ret != 1) { dev_err(dp->dev, "failed to get PSR version, disable it\n"); return false; @@ -114,14 +115,14 @@ static int analogix_dp_enable_sink_psr(struct analogix_dp_device *dp) int ret; /* Disable psr function */ - ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_EN_CFG, &psr_en); + ret = drm_dp_dpcd_readb(dp->aux, DP_PSR_EN_CFG, &psr_en); if (ret != 1) { dev_err(dp->dev, "failed to get psr config\n"); goto end; } psr_en &= ~DP_PSR_ENABLE; - ret = drm_dp_dpcd_writeb(&dp->aux, DP_PSR_EN_CFG, psr_en); + ret = drm_dp_dpcd_writeb(dp->aux, DP_PSR_EN_CFG, psr_en); if (ret != 1) { dev_err(dp->dev, "failed to disable panel psr\n"); goto end; @@ -129,7 +130,7 @@ static int analogix_dp_enable_sink_psr(struct analogix_dp_device *dp) /* Main-Link transmitter remains active during PSR active states */ psr_en = DP_PSR_CRC_VERIFICATION; - ret = drm_dp_dpcd_writeb(&dp->aux, DP_PSR_EN_CFG, psr_en); + ret = drm_dp_dpcd_writeb(dp->aux, DP_PSR_EN_CFG, psr_en); if (ret != 1) { dev_err(dp->dev, "failed to set panel psr\n"); goto end; @@ -137,7 +138,7 @@ static int analogix_dp_enable_sink_psr(struct analogix_dp_device *dp) /* Enable psr function */ psr_en = DP_PSR_ENABLE | DP_PSR_CRC_VERIFICATION; - ret = drm_dp_dpcd_writeb(&dp->aux, DP_PSR_EN_CFG, psr_en); + ret = drm_dp_dpcd_writeb(dp->aux, DP_PSR_EN_CFG, psr_en); if (ret != 1) { dev_err(dp->dev, "failed to set panel psr\n"); goto end; @@ -161,16 +162,16 @@ analogix_dp_enable_rx_to_enhanced_mode(struct analogix_dp_device *dp, u8 data; int ret; - ret = drm_dp_dpcd_readb(&dp->aux, DP_LANE_COUNT_SET, &data); + ret = drm_dp_dpcd_readb(dp->aux, DP_LANE_COUNT_SET, &data); if (ret != 1) return ret; if (enable) - ret = drm_dp_dpcd_writeb(&dp->aux, DP_LANE_COUNT_SET, + ret = drm_dp_dpcd_writeb(dp->aux, DP_LANE_COUNT_SET, DP_LANE_COUNT_ENHANCED_FRAME_EN | DPCD_LANE_COUNT_SET(data)); else - ret = drm_dp_dpcd_writeb(&dp->aux, DP_LANE_COUNT_SET, + ret = drm_dp_dpcd_writeb(dp->aux, DP_LANE_COUNT_SET, DPCD_LANE_COUNT_SET(data)); return ret < 0 ? ret : 0; @@ -182,7 +183,7 @@ static int analogix_dp_is_enhanced_mode_available(struct analogix_dp_device *dp, u8 data; int ret; - ret = drm_dp_dpcd_readb(&dp->aux, DP_MAX_LANE_COUNT, &data); + ret = drm_dp_dpcd_readb(dp->aux, DP_MAX_LANE_COUNT, &data); if (ret != 1) { *enhanced_mode_support = 0; return ret; @@ -217,7 +218,7 @@ static int analogix_dp_training_pattern_dis(struct analogix_dp_device *dp) analogix_dp_set_training_pattern(dp, DP_NONE); - ret = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET, + ret = drm_dp_dpcd_writeb(dp->aux, DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE); return ret < 0 ? ret : 0; @@ -253,7 +254,7 @@ 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 = drm_dp_dpcd_write(&dp->aux, DP_LINK_BW_SET, buf, 2); + retval = drm_dp_dpcd_write(dp->aux, DP_LINK_BW_SET, buf, 2); if (retval < 0) return retval; /* set enhanced mode if available */ @@ -274,7 +275,7 @@ static int analogix_dp_link_start(struct analogix_dp_device *dp) analogix_dp_set_training_pattern(dp, TRAINING_PTN1); /* Set RX training pattern */ - retval = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET, + retval = drm_dp_dpcd_writeb(dp->aux, DP_TRAINING_PATTERN_SET, DP_LINK_SCRAMBLING_DISABLE | DP_TRAINING_PATTERN_1); if (retval < 0) @@ -284,7 +285,7 @@ static int analogix_dp_link_start(struct analogix_dp_device *dp) buf[lane] = DP_TRAIN_PRE_EMPH_LEVEL_0 | DP_TRAIN_VOLTAGE_SWING_LEVEL_0; - retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, buf, + retval = drm_dp_dpcd_write(dp->aux, DP_TRAINING_LANE0_SET, buf, lane_count); if (retval < 0) return retval; @@ -393,7 +394,7 @@ static int analogix_dp_process_clock_recovery(struct analogix_dp_device *dp) lane_count = dp->link_train.lane_count; - retval = drm_dp_dpcd_read(&dp->aux, DP_LANE0_1_STATUS, link_status, 2); + retval = drm_dp_dpcd_read(dp->aux, DP_LANE0_1_STATUS, link_status, 2); if (retval < 0) return retval; @@ -401,7 +402,7 @@ static int analogix_dp_process_clock_recovery(struct analogix_dp_device *dp) /* set training pattern 2 for EQ */ analogix_dp_set_training_pattern(dp, TRAINING_PTN2); - retval = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET, + retval = drm_dp_dpcd_writeb(dp->aux, DP_TRAINING_PATTERN_SET, DP_LINK_SCRAMBLING_DISABLE | DP_TRAINING_PATTERN_2); if (retval < 0) @@ -413,7 +414,7 @@ static int analogix_dp_process_clock_recovery(struct analogix_dp_device *dp) return 0; } - retval = drm_dp_dpcd_read(&dp->aux, DP_ADJUST_REQUEST_LANE0_1, + retval = drm_dp_dpcd_read(dp->aux, DP_ADJUST_REQUEST_LANE0_1, adjust_request, 2); if (retval < 0) return retval; @@ -441,7 +442,7 @@ static int analogix_dp_process_clock_recovery(struct analogix_dp_device *dp) analogix_dp_get_adjust_training_lane(dp, adjust_request); analogix_dp_set_lane_link_training(dp); - retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, + retval = drm_dp_dpcd_write(dp->aux, DP_TRAINING_LANE0_SET, dp->link_train.training_lane, lane_count); if (retval < 0) return retval; @@ -459,7 +460,7 @@ static int analogix_dp_process_equalizer_training(struct analogix_dp_device *dp) lane_count = dp->link_train.lane_count; - retval = drm_dp_dpcd_read(&dp->aux, DP_LANE0_1_STATUS, link_status, 2); + retval = drm_dp_dpcd_read(dp->aux, DP_LANE0_1_STATUS, link_status, 2); if (retval < 0) return retval; @@ -468,12 +469,12 @@ static int analogix_dp_process_equalizer_training(struct analogix_dp_device *dp) return -EIO; } - retval = drm_dp_dpcd_read(&dp->aux, DP_ADJUST_REQUEST_LANE0_1, + retval = drm_dp_dpcd_read(dp->aux, DP_ADJUST_REQUEST_LANE0_1, adjust_request, 2); if (retval < 0) return retval; - retval = drm_dp_dpcd_readb(&dp->aux, DP_LANE_ALIGN_STATUS_UPDATED, + retval = drm_dp_dpcd_readb(dp->aux, DP_LANE_ALIGN_STATUS_UPDATED, &link_align); if (retval < 0) return retval; @@ -513,7 +514,7 @@ static int analogix_dp_process_equalizer_training(struct analogix_dp_device *dp) analogix_dp_set_lane_link_training(dp); - retval = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, + retval = drm_dp_dpcd_write(dp->aux, DP_TRAINING_LANE0_SET, dp->link_train.training_lane, lane_count); if (retval < 0) return retval; @@ -532,7 +533,7 @@ static void analogix_dp_get_max_rx_bandwidth(struct analogix_dp_device *dp, * For DP rev.1.2, Maximum link rate of Main Link lanes * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps, 0x14 = 5.4Gbps */ - drm_dp_dpcd_readb(&dp->aux, DP_MAX_LINK_RATE, &data); + drm_dp_dpcd_readb(dp->aux, DP_MAX_LINK_RATE, &data); *bandwidth = data; } @@ -545,7 +546,7 @@ static void analogix_dp_get_max_rx_lane_count(struct analogix_dp_device *dp, * For DP rev.1.1, Maximum number of Main Link lanes * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes */ - drm_dp_dpcd_readb(&dp->aux, DP_MAX_LANE_COUNT, &data); + drm_dp_dpcd_readb(dp->aux, DP_MAX_LANE_COUNT, &data); *lane_count = DPCD_MAX_LANE_COUNT(data); } @@ -652,7 +653,7 @@ static int analogix_dp_fast_link_train(struct analogix_dp_device *dp) * speed */ if (verify_fast_training) { - ret = drm_dp_dpcd_readb(&dp->aux, DP_LANE_ALIGN_STATUS_UPDATED, + ret = drm_dp_dpcd_readb(dp->aux, DP_LANE_ALIGN_STATUS_UPDATED, &link_align); if (ret < 0) { DRM_DEV_ERROR(dp->dev, "Read align status failed %d\n", @@ -660,7 +661,7 @@ static int analogix_dp_fast_link_train(struct analogix_dp_device *dp) return ret; } - ret = drm_dp_dpcd_read(&dp->aux, DP_LANE0_1_STATUS, link_status, + ret = drm_dp_dpcd_read(dp->aux, DP_LANE0_1_STATUS, link_status, 2); if (ret < 0) { DRM_DEV_ERROR(dp->dev, "Read link status failed %d\n", @@ -762,20 +763,20 @@ static int analogix_dp_enable_scramble(struct analogix_dp_device *dp, if (enable) { analogix_dp_enable_scrambling(dp); - ret = drm_dp_dpcd_readb(&dp->aux, DP_TRAINING_PATTERN_SET, + ret = drm_dp_dpcd_readb(dp->aux, DP_TRAINING_PATTERN_SET, &data); if (ret != 1) return ret; - ret = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET, + ret = drm_dp_dpcd_writeb(dp->aux, DP_TRAINING_PATTERN_SET, (u8)(data & ~DP_LINK_SCRAMBLING_DISABLE)); } else { analogix_dp_disable_scrambling(dp); - ret = drm_dp_dpcd_readb(&dp->aux, DP_TRAINING_PATTERN_SET, + ret = drm_dp_dpcd_readb(dp->aux, DP_TRAINING_PATTERN_SET, &data); if (ret != 1) return ret; - ret = drm_dp_dpcd_writeb(&dp->aux, DP_TRAINING_PATTERN_SET, + ret = drm_dp_dpcd_writeb(dp->aux, DP_TRAINING_PATTERN_SET, (u8)(data | DP_LINK_SCRAMBLING_DISABLE)); } return ret < 0 ? ret : 0; @@ -822,7 +823,7 @@ static int analogix_dp_fast_link_train_detection(struct analogix_dp_device *dp) int ret; u8 spread; - ret = drm_dp_dpcd_readb(&dp->aux, DP_MAX_DOWNSPREAD, &spread); + ret = drm_dp_dpcd_readb(dp->aux, DP_MAX_DOWNSPREAD, &spread); if (ret != 1) { dev_err(dp->dev, "failed to read downspread %d\n", ret); return ret; @@ -891,7 +892,7 @@ static int analogix_dp_enable_psr(struct analogix_dp_device *dp) int ret; u8 sink; - ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_STATUS, &sink); + ret = drm_dp_dpcd_readb(dp->aux, DP_PSR_STATUS, &sink); if (ret != 1) DRM_DEV_ERROR(dp->dev, "Failed to read psr status %d\n", ret); else if (sink == DP_PSR_SINK_ACTIVE_RFB) @@ -921,13 +922,13 @@ static int analogix_dp_disable_psr(struct analogix_dp_device *dp) analogix_dp_set_analog_power_down(dp, POWER_ALL, false); - ret = drm_dp_dpcd_writeb(&dp->aux, DP_SET_POWER, DP_SET_POWER_D0); + ret = drm_dp_dpcd_writeb(dp->aux, DP_SET_POWER, DP_SET_POWER_D0); if (ret != 1) { DRM_DEV_ERROR(dp->dev, "Failed to set DP Power0 %d\n", ret); return ret; } - ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_STATUS, &sink); + ret = drm_dp_dpcd_readb(dp->aux, DP_PSR_STATUS, &sink); if (ret != 1) { DRM_DEV_ERROR(dp->dev, "Failed to read psr status %d\n", ret); return ret; @@ -1016,7 +1017,7 @@ static int analogix_dp_get_modes(struct drm_connector *connector) return 0; } - drm_edid = drm_edid_read_ddc(connector, &dp->aux.ddc); + drm_edid = drm_edid_read_ddc(connector, &dp->aux->ddc); drm_edid_connector_update(&dp->connector, drm_edid); @@ -1127,6 +1128,7 @@ static int analogix_dp_bridge_attach(struct drm_bridge *bridge, if (!dp->plat_data->skip_connector) { connector = &dp->connector; + dp->plat_data->connector = &dp->connector; connector->polled = DRM_CONNECTOR_POLL_HPD; ret = drm_connector_init(dp->drm_dev, connector, @@ -1535,7 +1537,9 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp) static ssize_t analogix_dpaux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) { - struct analogix_dp_device *dp = to_dp(aux); + struct analogix_dp_plat_data *plat_data = to_pdata(aux); + struct drm_connector *connector = plat_data->connector; + struct analogix_dp_device *dp = to_dp(connector); int ret; pm_runtime_get_sync(dp->dev); @@ -1722,12 +1726,12 @@ int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev) return ret; } - dp->aux.name = "DP-AUX"; - dp->aux.transfer = analogix_dpaux_transfer; - dp->aux.dev = dp->dev; - dp->aux.drm_dev = drm_dev; + dp->aux = &dp->plat_data->aux; + dp->aux->name = "DP-AUX"; + dp->aux->transfer = analogix_dpaux_transfer; + dp->aux->drm_dev = drm_dev; - ret = drm_dp_aux_register(&dp->aux); + ret = drm_dp_aux_register(dp->aux); if (ret) { DRM_ERROR("failed to register AUX (%d)\n", ret); goto err_disable_pm_runtime; @@ -1742,7 +1746,7 @@ int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev) return 0; err_unregister_aux: - drm_dp_aux_unregister(&dp->aux); + drm_dp_aux_unregister(dp->aux); err_disable_pm_runtime: if (IS_ENABLED(CONFIG_PM)) { pm_runtime_dont_use_autosuspend(dp->dev); @@ -1765,7 +1769,7 @@ void analogix_dp_unbind(struct analogix_dp_device *dp) DRM_ERROR("failed to turnoff the panel\n"); } - drm_dp_aux_unregister(&dp->aux); + drm_dp_aux_unregister(dp->aux); if (IS_ENABLED(CONFIG_PM)) { pm_runtime_dont_use_autosuspend(dp->dev); @@ -1786,7 +1790,7 @@ int analogix_dp_start_crc(struct drm_connector *connector) return -EINVAL; } - return drm_dp_start_crc(&dp->aux, connector->state->crtc); + return drm_dp_start_crc(dp->aux, connector->state->crtc); } EXPORT_SYMBOL_GPL(analogix_dp_start_crc); @@ -1794,7 +1798,7 @@ int analogix_dp_stop_crc(struct drm_connector *connector) { struct analogix_dp_device *dp = to_dp(connector); - return drm_dp_stop_crc(&dp->aux); + return drm_dp_stop_crc(dp->aux); } EXPORT_SYMBOL_GPL(analogix_dp_stop_crc); diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h index 774d11574b09..ec0bfae1d588 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h @@ -155,7 +155,7 @@ struct analogix_dp_device { struct drm_device *drm_dev; struct drm_connector connector; struct drm_bridge *bridge; - struct drm_dp_aux aux; + struct drm_dp_aux *aux; struct clk *clock; unsigned int irq; void __iomem *reg_base; diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 38fd8d5014d2..3c52457d99ed 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -892,7 +892,7 @@ static ssize_t analogix_dp_get_psr_status(struct analogix_dp_device *dp) ssize_t val; u8 status; - val = drm_dp_dpcd_readb(&dp->aux, DP_PSR_STATUS, &status); + val = drm_dp_dpcd_readb(dp->aux, DP_PSR_STATUS, &status); if (val < 0) { dev_err(dp->dev, "PSR_STATUS read failed ret=%zd", val); return val;

[v4,13/17] drm/bridge: analogix_dp: Convert &analogix_dp_device.aux into a pointer

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Patch