Re: [PATCH v2] drm/bridge: Add 200ms delay to wait FW HPD status stable

2023-09-25 Thread Robert Foss
On Fri, 22 Sep 2023 17:34:49 +0800, Xin Ji wrote: > For the no-interrupt design (sink device is panel, polling HPD > status when chip power on), anx7625 FW has more than 200ms HPD > de-bounce time in FW, for the safety to get HPD status, driver > better to wait 200ms before HPD detection after OS r

[PATCH v2] drm/bridge: Add 200ms delay to wait FW HPD status stable

2023-09-22 Thread Xin Ji
For the no-interrupt design (sink device is panel, polling HPD status when chip power on), anx7625 FW has more than 200ms HPD de-bounce time in FW, for the safety to get HPD status, driver better to wait 200ms before HPD detection after OS resume back. Signed-off-by: Xin Ji --- drivers/gpu/drm/b