EDID interrupt was coming 600-650 ms after HPD interrupt, resulting
into EDID read timeout and default resolution of 1024x768 on display.

Signed-off-by: Gopi Botlagunta <venkata.botlagunta@oss.qualcomm.com>
---
 drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
index 38fb8776c0f4..6f2b72fba598 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
@@ -382,7 +382,7 @@ lt9611uxc_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connect
 static int lt9611uxc_wait_for_edid(struct lt9611uxc *lt9611uxc)
 {
 	return wait_event_interruptible_timeout(lt9611uxc->wq, lt9611uxc->edid_read,
-			msecs_to_jiffies(500));
+			msecs_to_jiffies(1000));
 }
 
 static int lt9611uxc_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len)

---
base-commit: 3c3d81183061b9e49dd3207fbbbc36314744bf3f
change-id: 20251121-hdmibridge-e012bfeed3c3

Best regards,
-- 
Gopi Botlagunta <venkata.botlagunta@oss.qualcomm.com>

On 11/21/25 14:42, Gopi Botlagunta wrote:
> EDID interrupt was coming 600-650 ms after HPD interrupt, resulting
> into EDID read timeout and default resolution of 1024x768 on display.

This is king of vague, can you be more explicit on this issue ? which firmware ?
which display ? which HW setup ?

Any fixes tag ?

Neil

> 
> Signed-off-by: Gopi Botlagunta <venkata.botlagunta@oss.qualcomm.com>
> ---
>   drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> index 38fb8776c0f4..6f2b72fba598 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> @@ -382,7 +382,7 @@ lt9611uxc_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connect
>   static int lt9611uxc_wait_for_edid(struct lt9611uxc *lt9611uxc)
>   {
>   	return wait_event_interruptible_timeout(lt9611uxc->wq, lt9611uxc->edid_read,
> -			msecs_to_jiffies(500));
> +			msecs_to_jiffies(1000));
>   }
>   
>   static int lt9611uxc_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len)
> 
> ---
> base-commit: 3c3d81183061b9e49dd3207fbbbc36314744bf3f
> change-id: 20251121-hdmibridge-e012bfeed3c3
> 
> Best regards,