The tearing effect interrupts are not handled by the MIPI DSI bridge driver, but the display controller driver.
Allow platforms to register a callback for the tearing effect interrupt.
Signed-off-by: Michael Tretter m.tretter@pengutronix.de --- v2: - add handler as callback in host_ops --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 684a2fbef08a..2d75f9877dc0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -243,6 +243,7 @@ struct exynos_dsi; struct exynos_dsi_host_ops { int (*attach)(struct device *dev, struct mipi_dsi_device *device); int (*detach)(struct device *dev, struct mipi_dsi_device *device); + void (*te_handler)(struct device *dev); };
enum exynos_reg_offset { @@ -504,9 +505,17 @@ static int __exynos_dsi_host_detach(struct device *dev, return 0; }
+static void __exynos_dsi_te_handler(struct device *dev) +{ + struct exynos_dsi *dsi = dev_get_drvdata(dev); + + exynos_drm_crtc_te_handler(dsi->encoder.crtc); +} + static const struct exynos_dsi_host_ops exynos_dsi_host_ops = { .attach = __exynos_dsi_host_attach, .detach = __exynos_dsi_host_detach, + .te_handler = __exynos_dsi_te_handler, };
static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { @@ -1354,11 +1363,12 @@ static irqreturn_t exynos_dsi_irq(int irq, void *dev_id)
static irqreturn_t exynos_dsi_te_irq_handler(int irq, void *dev_id) { - struct exynos_dsi *dsi = (struct exynos_dsi *)dev_id; - struct drm_encoder *encoder = &dsi->encoder; + struct exynos_dsi *dsi = dev_id; + const struct exynos_dsi_host_ops *ops = dsi->driver_data->host_ops;
- if (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE) - exynos_drm_crtc_te_handler(encoder->crtc); + if (ops && ops->te_handler && + (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE)) + ops->te_handler(dsi->dsi_host.dev);
return IRQ_HANDLED; }