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drm/rockchip: dw-dp: print debug log use drm_dbg_dp

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Replace the dev_dbg with drm_dbg_dp, it will dump the debug log
more easily. Just adjust the drm debug log level, set the bit[9]
as follow:
echo 0x100 > /sys/module/drm/parameters/debug

Change-Id: I3b522d542f043a79fab652d017dfb7e11f67fb74
Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
This commit is contained in:
Zhang Yubing
2025-08-29 16:06:01 +08:00
committed by Tao Huang
parent 3795c31e57
commit 3b68d42dda
1 changed files with 22 additions and 19 deletions
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41
drivers/gpu/drm/rockchip/dw-dp.c
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@@ -270,6 +270,9 @@
#define DPTX_MAX_STREAMS 4
#define dw_dp_dbg(dp, fmt, ...) \
drm_dbg_dp(dp->bridge.dev, "%s: " fmt, dev_name(dp->dev), ##__VA_ARGS__)
enum {
RK3576_DP,
RK3588_DP,
@@ -2822,7 +2825,7 @@ static void dw_dp_gpio_hpd_state_work(struct work_struct *work)
mutex_lock(&dp->irq_lock);
if (hotplug->state == GPIO_STATE_UNPLUG) {
dev_dbg(dp->dev, "hpd state unplug to idle\n");
dw_dp_dbg(dp, "hpd state unplug to idle\n");
dp->hotplug.long_hpd = true;
dp->hotplug.status = false;
dp->hotplug.state = GPIO_STATE_IDLE;
@@ -2836,24 +2839,24 @@ static irqreturn_t dw_dp_hpd_irq_handler(int irq, void *arg)
struct dw_dp *dp = arg;
bool hpd = dw_dp_detect(dp);
dev_dbg(dp->dev, "trigger gpio to %s\n", hpd ? "high" : "low");
dw_dp_dbg(dp, "trigger gpio to %s\n", hpd ? "high" : "low");
mutex_lock(&dp->irq_lock);
if (dp->hotplug.state == GPIO_STATE_IDLE) {
if (hpd) {
dev_dbg(dp->dev, "hpd state idle to plug\n");
dw_dp_dbg(dp, "hpd state idle to plug\n");
dp->hotplug.long_hpd = true;
dp->hotplug.status = hpd;
dp->hotplug.state = GPIO_STATE_PLUG;
}
} else if (dp->hotplug.state == GPIO_STATE_PLUG) {
if (!hpd) {
dev_dbg(dp->dev, "hpd state plug to unplug\n");
dw_dp_dbg(dp, "hpd state plug to unplug\n");
dp->hotplug.state = GPIO_STATE_UNPLUG;
schedule_delayed_work(&dp->hotplug.state_work, msecs_to_jiffies(2));
}
} else if (dp->hotplug.state == GPIO_STATE_UNPLUG) {
if (hpd) {
dev_dbg(dp->dev, "hpd state unplug to plug\n");
dw_dp_dbg(dp, "hpd state unplug to plug\n");
cancel_delayed_work_sync(&dp->hotplug.state_work);
dp->hotplug.long_hpd = false;
dp->hotplug.status = hpd;
@@ -3158,7 +3161,7 @@ static ssize_t dw_dp_aux_transfer(struct drm_dp_aux *aux,
status = wait_for_completion_timeout(&dp->complete, timeout);
if (!status) {
dev_dbg(dp->dev, "timeout waiting for AUX reply\n");
dw_dp_dbg(dp, "timeout waiting for AUX reply\n");
ret = -ETIMEDOUT;
goto out;
}
@@ -3679,7 +3682,7 @@ static void dw_dp_set_vcpid_table_range(struct dw_dp *dp, u32 start, u32 count,
for (i = 0; i < count; i++)
dw_dp_set_vcpid_table_slot(dp, start + i, stream_id + 1);
dev_dbg(dp->dev, "set stream%d start:%d, conunt:%d\n", stream_id, start, count);
dw_dp_dbg(dp, "set stream%d start:%d, conunt:%d\n", stream_id, start, count);
}
static int dw_dp_set_vcpid_tables(struct dw_dp *dp,
@@ -4767,9 +4770,9 @@ static int dw_dp_bridge_atomic_check(struct drm_bridge *bridge,
const struct dw_dp_output_format *fmt =
dw_dp_get_output_format(bridge_state->output_bus_cfg.format);
dev_dbg(dp->dev, "input format 0x%04x, output format 0x%04x\n",
bridge_state->input_bus_cfg.format,
bridge_state->output_bus_cfg.format);
dw_dp_dbg(dp, "input format 0x%04x, output format 0x%04x\n",
bridge_state->input_bus_cfg.format,
bridge_state->output_bus_cfg.format);
if (video->bus_format != fmt->bus_format)
crtc_state->mode_changed = true;
@@ -4810,7 +4813,7 @@ static int dw_dp_link_retrain(struct dw_dp *dp)
if (!dw_dp_needs_link_retrain(dp))
return 0;
dev_dbg(dp->dev, "Retraining link\n");
dw_dp_dbg(dp, "Retraining link\n");
drm_modeset_acquire_init(&ctx, 0);
for (;;) {
@@ -5087,7 +5090,7 @@ static void dw_dp_hpd_work(struct work_struct *work)
long_hpd = dp->hotplug.long_hpd;
mutex_unlock(&dp->irq_lock);
dev_dbg(dp->dev, "got hpd irq - %s\n", long_hpd ? "long" : "short");
dw_dp_dbg(dp, "got hpd irq - %s\n", long_hpd ? "long" : "short");
if (!long_hpd) {
phy_power_on(dp->phy);
@@ -5128,19 +5131,19 @@ static void dw_dp_handle_hpd_event(struct dw_dp *dp)
regmap_read(dp->regmap, DPTX_HPD_STATUS, &value);
if (value & HPD_IRQ) {
dev_dbg(dp->dev, "IRQ from the HPD\n");
dw_dp_dbg(dp, "IRQ from the HPD\n");
dp->hotplug.long_hpd = false;
regmap_write(dp->regmap, DPTX_HPD_STATUS, HPD_IRQ);
}
if (value & HPD_HOT_PLUG) {
dev_dbg(dp->dev, "Hot plug detected\n");
dw_dp_dbg(dp, "Hot plug detected\n");
dp->hotplug.long_hpd = true;
regmap_write(dp->regmap, DPTX_HPD_STATUS, HPD_HOT_PLUG);
}
if (value & HPD_HOT_UNPLUG) {
dev_dbg(dp->dev, "Unplug detected\n");
dw_dp_dbg(dp, "Unplug detected\n");
dp->hotplug.long_hpd = true;
regmap_write(dp->regmap, DPTX_HPD_STATUS, HPD_HOT_UNPLUG);
}
@@ -5795,22 +5798,22 @@ static int dw_dp_typec_mux_set(struct typec_mux_dev *mux, struct typec_mux_state
struct typec_displayport_data *data = state->data;
if (!data) {
dev_dbg(dp->dev, "hotunplug from the usbdp\n");
dw_dp_dbg(dp, "hotunplug from the usbdp\n");
dp->hotplug.long_hpd = true;
dp->hotplug.status = false;
schedule_work(&dp->hpd_work);
} else if (data->status & DP_STATUS_IRQ_HPD) {
dev_dbg(dp->dev, "IRQ from the usbdp\n");
dw_dp_dbg(dp, "IRQ from the usbdp\n");
dp->hotplug.long_hpd = false;
dp->hotplug.status = true;
schedule_work(&dp->hpd_work);
} else if (data->status & DP_STATUS_HPD_STATE) {
dev_dbg(dp->dev, "hotplug from the usbdp\n");
dw_dp_dbg(dp, "hotplug from the usbdp\n");
dp->hotplug.long_hpd = true;
dp->hotplug.status = true;
schedule_work(&dp->hpd_work);
} else {
dev_dbg(dp->dev, "hotunplug from the usbdp\n");
dw_dp_dbg(dp, "hotunplug from the usbdp\n");
dp->hotplug.long_hpd = true;
dp->hotplug.status = false;
schedule_work(&dp->hpd_work);