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 --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 287bc6e9b3ca..993402f1f7c7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -254,6 +254,7 @@ struct exynos_dsi_driver_data { unsigned int wait_for_reset; unsigned int num_bits_resol; const unsigned int *reg_values; + void (*te_handler)(struct drm_encoder *encoder); };
struct exynos_dsi { @@ -465,6 +466,11 @@ static const unsigned int exynos5433_reg_values[] = { [PHYTIMING_HS_TRAIL] = 0x0c, };
+static void exynos_dsi_te_handler(struct drm_encoder *encoder) +{ + exynos_drm_crtc_te_handler(encoder->crtc); +} + static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .reg_ofs = EXYNOS_REG_OFS, .plltmr_reg = 0x50, @@ -475,6 +481,7 @@ static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .wait_for_reset = 1, .num_bits_resol = 11, .reg_values = reg_values, + .te_handler = exynos_dsi_te_handler, };
static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { @@ -487,6 +494,7 @@ static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { .wait_for_reset = 1, .num_bits_resol = 11, .reg_values = reg_values, + .te_handler = exynos_dsi_te_handler, };
static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { @@ -497,6 +505,7 @@ static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { .wait_for_reset = 1, .num_bits_resol = 11, .reg_values = reg_values, + .te_handler = exynos_dsi_te_handler, };
static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { @@ -508,6 +517,7 @@ static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { .wait_for_reset = 0, .num_bits_resol = 12, .reg_values = exynos5433_reg_values, + .te_handler = exynos_dsi_te_handler, };
static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { @@ -519,6 +529,7 @@ static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { .wait_for_reset = 1, .num_bits_resol = 12, .reg_values = exynos5422_reg_values, + .te_handler = exynos_dsi_te_handler, };
static const struct of_device_id exynos_dsi_of_match[] = { @@ -1305,11 +1316,13 @@ 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 exynos_dsi *dsi = dev_id; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; struct drm_encoder *encoder = dsi->bridge.encoder;
- if (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE) - exynos_drm_crtc_te_handler(encoder->crtc); + if (driver_data->te_handler && + (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE)) + driver_data->te_handler(encoder);
return IRQ_HANDLED; }