Thanks, will double check.
Best wishes
Emily Deng
>-Original Message-
>From: Zhang, Hawking
>Sent: Friday, September 18, 2020 4:20 PM
>To: Deng, Emily ; amd-gfx@lists.freedesktop.org
>Cc: Deng, Emily
>Subject: RE: [PATCH 2/2] drm/amdgpu: Fix dead lock issue for vbl
Emily.Deng
Sent: Friday, September 18, 2020 11:27
To: amd-gfx@lists.freedesktop.org
Cc: Deng, Emily
Subject: [PATCH 2/2] drm/amdgpu: Fix dead lock issue for vblank
Always start vblank timer, but only calls vblank function when vblank is
enabled.
This is used to fix the dead lock i
Always start vblank timer, but only calls vblank function
when vblank is enabled.
This is used to fix the dead lock issue.
When drm_crtc_vblank_off want to disable vblank,
it first get event_lock, and then call hrtimer_cancel,
but hrtimer_cancel want to wait timer handler function finished.
Timer