The drm_helper_hpd_irq_event() does dpms control and the panel is initialized and displayed on by it. So the exynos_dsi_te_irq_handler() should be registered beforehand.
Signed-off-by: YoungJun Cho yj44.cho@samsung.com Acked-by: Inki Dae inki.dae@samsung.com Acked-by: Kyungmin Park kyungmin.park@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 66d427e..6fe6486 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1207,9 +1207,6 @@ static int exynos_dsi_host_attach(struct mipi_dsi_host *host, dsi->mode_flags = device->mode_flags; dsi->panel_node = device->dev.of_node;
- if (dsi->connector.dev) - drm_helper_hpd_irq_event(dsi->connector.dev); - /* * This is a temporary solution and should be made by more generic way. * @@ -1223,6 +1220,9 @@ static int exynos_dsi_host_attach(struct mipi_dsi_host *host, return ret; }
+ if (dsi->connector.dev) + drm_helper_hpd_irq_event(dsi->connector.dev); + return 0; }