On Fri 15 Jan 05:02 CST 2021, Dmitry Baryshkov wrote:
Call wake_up() when EDID ready event is received to wake wait_event_interruptible_timeout()
Increase waiting timeout, reading EDID can take longer than 100ms, so let's be on a safe side.
Reviewed-by: Bjorn Andersson bjorn.andersson@linaro.org
Regards, Bjorn
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge")
drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 0c98d27f84ac..a59e811f1705 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -145,8 +145,10 @@ static irqreturn_t lt9611uxc_irq_thread_handler(int irq, void *dev_id)
lt9611uxc_unlock(lt9611uxc);
- if (irq_status & BIT(0))
if (irq_status & BIT(0)) { lt9611uxc->edid_read = !!(hpd_status & BIT(0));
wake_up_all(<9611uxc->wq);}
if (irq_status & BIT(1)) { if (lt9611uxc->connector.dev)
@@ -465,7 +467,7 @@ static enum drm_connector_status lt9611uxc_bridge_detect(struct drm_bridge *brid static int lt9611uxc_wait_for_edid(struct lt9611uxc *lt9611uxc) { return wait_event_interruptible_timeout(lt9611uxc->wq, lt9611uxc->edid_read,
msecs_to_jiffies(100));
msecs_to_jiffies(500));}
static int lt9611uxc_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len)
2.29.2