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rockchip/drm: dw-dp: dump some info when can't get bus format

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Change-Id: I25c30ff4ab590cbb78e772fee0eda03322dbf5e9
Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
This commit is contained in:
Zhang Yubing
2024-11-01 15:20:50 +08:00
committed by Tao Huang
parent 0ac9316547
commit b4f5b0e480
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/rockchip/dw-dp.c
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@@ -4652,6 +4652,14 @@ static u32 *dw_dp_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
*num_output_fmts = j;
if (*num_output_fmts == 0) {
dev_warn(dp->dev, "here is not satisfied the require bus format\n");
dev_info(dp->dev,
"max bpc:%d, max fmt:%x, lanes:%d, rate:%d, bpc:%d, fmt:%d, eotf:%d\n",
conn_state->max_bpc, di->color_formats, link->lanes, link->max_rate,
dp_state->bpc, dp_state->color_format, dp->eotf_type);
}
return output_fmts;
}