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drm/bridge: analogix_dp: Apply DP helper API drm_dp_clock_recovery_ok()

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Use existing DP helper API instead of analogix_dp_clock_recovery_ok()
with the same function.

Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patch.msgid.link/20251110085823.1197472-3-damon.ding@rock-chips.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Damon Ding
2025-11-10 16:58:21 +08:00
committed by Luca Ceresoli
parent b97a424b09
commit e0735bfd5d
1 changed files with 3 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
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@@ -297,19 +297,6 @@ static unsigned char analogix_dp_get_lane_status(u8 link_status[2], int lane)
return (link_value >> shift) & 0xf;
}
static int analogix_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
{
int lane;
u8 lane_status;
for (lane = 0; lane < lane_count; lane++) {
lane_status = analogix_dp_get_lane_status(link_status, lane);
if ((lane_status & DP_LANE_CR_DONE) == 0)
return -EINVAL;
}
return 0;
}
static int analogix_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
int lane_count)
{
@@ -394,7 +381,7 @@ static int analogix_dp_process_clock_recovery(struct analogix_dp_device *dp)
if (retval < 0)
return retval;
if (analogix_dp_clock_recovery_ok(link_status, lane_count) == 0) {
if (drm_dp_clock_recovery_ok(link_status, lane_count)) {
/* set training pattern 2 for EQ */
analogix_dp_set_training_pattern(dp, TRAINING_PTN2);
@@ -460,7 +447,7 @@ static int analogix_dp_process_equalizer_training(struct analogix_dp_device *dp)
if (retval < 0)
return retval;
if (analogix_dp_clock_recovery_ok(link_status, lane_count)) {
if (!drm_dp_clock_recovery_ok(link_status, lane_count)) {
analogix_dp_reduce_link_rate(dp);
return -EIO;
}
@@ -664,8 +651,7 @@ static int analogix_dp_fast_link_train(struct analogix_dp_device *dp)
return ret;
}
if (analogix_dp_clock_recovery_ok(link_status,
dp->link_train.lane_count)) {
if (!drm_dp_clock_recovery_ok(link_status, dp->link_train.lane_count)) {
DRM_DEV_ERROR(dp->dev, "Clock recovery failed\n");
analogix_dp_reduce_link_rate(dp);
return -EIO;