diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/cdn-dp-reg.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-reg.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 319dbbaa3609..b14d211f6c21 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -29,7 +29,7 @@ #define LINK_TRAINING_RETRY_MS 20 #define LINK_TRAINING_TIMEOUT_MS 500 -void cdn_dp_set_fw_clk(struct cdn_dp_device *dp, u32 clk) +void cdn_dp_set_fw_clk(struct cdn_dp_device *dp, unsigned long clk) { writel(clk / 1000000, dp->regs + SW_CLK_H); } @@ -671,6 +671,10 @@ int cdn_dp_config_video(struct cdn_dp_device *dp) rem = do_div(symbol, 1000); if (tu_size_reg > 64) { ret = -EINVAL; + DRM_DEV_ERROR(dp->dev, + "tu error, clk:%d, lanes:%d, rate:%d\n", + mode->clock, dp->link.num_lanes, + link_rate); goto err_config_video; } } while ((symbol <= 1) || (tu_size_reg - symbol < 4) || |