diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/dsi.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dsi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 3c09e290632c..3820e8dff14b 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -670,6 +670,7 @@ static int tegra_dsi_pad_enable(struct tegra_dsi *dsi) static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi) { u32 value; + int err; /* * XXX Is this still needed? The module reset is deasserted right @@ -693,7 +694,11 @@ static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi) DSI_PAD_PREEMP_PD(0x03) | DSI_PAD_PREEMP_PU(0x3); tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_3); - return tegra_mipi_calibrate(dsi->mipi); + err = tegra_mipi_calibrate(dsi->mipi); + if (err < 0) + return err; + + return tegra_mipi_wait(dsi->mipi); } static void tegra_dsi_set_timeout(struct tegra_dsi *dsi, unsigned long bclk, |