diff options
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9882t.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c index a2ea25bb6624..266a087fe14c 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c @@ -478,7 +478,11 @@ static int ili9882t_prepare(struct drm_panel *panel) usleep_range(10000, 11000); // MIPI needs to keep the LP11 state before the lcm_reset pin is pulled high - mipi_dsi_dcs_nop(ili->dsi); + ret = mipi_dsi_dcs_nop(ili->dsi); + if (ret < 0) { + dev_err(&ili->dsi->dev, "Failed to send NOP: %d\n", ret); + goto poweroff; + } usleep_range(1000, 2000); gpiod_set_value(ili->enable_gpio, 1); |